diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.txt
new file mode 100644
index 00000000000..119a10de2c7
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	<select> needs to be updated when <optgroup> is removed	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.txt
new file mode 100644
index 00000000000..1e604e4a102
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.txt
@@ -0,0 +1,22 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 11 tests
+
+10 Pass
+1 Fail
+Details
+Result	Test Name	MessagePass	Option constructor with no arguments	
+Pass	Option constructor with falsy arguments	
+Pass	Option constructor creates HTMLOptionElement with specified text and value	
+Pass	Option constructor handles selectedness correctly when specified with defaultSelected only	
+Pass	Option constructor handles selectedness correctly, even when incongruous with defaultSelected	
+Fail	Option constructor treats undefined text and value correctly	
+Pass	Option constructor treats empty text and value correctly	
+Pass	Option constructor treats falsy selected and defaultSelected correctly	
+Pass	Option constructor treats truthy selected and defaultSelected correctly	
+Pass	Option constructor does not set dirtiness (so, manipulating the selected content attribute still updates the selected IDL attribute)	
+Pass	Prototype of object created with named constructor	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-form.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-form.txt
new file mode 100644
index 00000000000..58c22e467fb
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-form.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	form	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-index.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-index.txt
new file mode 100644
index 00000000000..86f881907ba
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-index.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+4 Pass
+Details
+Result	Test Name	MessagePass	option index should work inside the document	
+Pass	option index should always be 0 for options in datalists	
+Pass	option index should always be 0 for options with no container	
+Pass	option index should always be 0 for options not even in the document	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-label.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-label.txt
new file mode 100644
index 00000000000..80daf1d0395
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-label.txt
@@ -0,0 +1,23 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 12 tests
+
+7 Pass
+5 Fail
+Details
+Result	Test Name	MessagePass	No children, no label	
+Pass	No children, empty label	
+Pass	No children, label	
+Fail	No children, namespaced label	
+Fail	Single child, no label	
+Pass	Single child, empty label	
+Pass	Single child, label	
+Fail	Single child, namespaced label	
+Fail	Two children, no label	
+Pass	Two children, empty label	
+Pass	Two children, label	
+Fail	Two children, namespaced label	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-selected.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-selected.txt
new file mode 100644
index 00000000000..64482f5bc58
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-selected.txt
@@ -0,0 +1,13 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 3 tests
+
+3 Pass
+Details
+Result	Test Name	MessagePass	not dirty	
+Pass	dirty, selected	
+Pass	dirty, not selected	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.txt
new file mode 100644
index 00000000000..f0e11733090
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	Test for the backslash sign in option.text	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-label.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-label.txt
new file mode 100644
index 00000000000..0c1dde01de4
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-label.txt
@@ -0,0 +1,12 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 2 tests
+
+2 Pass
+Details
+Result	Test Name	MessagePass	Option with non-empty label.	
+Pass	Option with empty label.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.txt
new file mode 100644
index 00000000000..3c3b5037c1f
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.txt
@@ -0,0 +1,22 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 11 tests
+
+10 Pass
+1 Fail
+Details
+Result	Test Name	MessagePass	option.text should recurse	
+Pass	option.text should not recurse into HTML script elements	
+Fail	option.text should not recurse into SVG script elements	
+Pass	option.text should recurse into MathML script elements	
+Pass	option.text should recurse into null script elements	
+Pass	option.text should work if a child of the option ends with a script	
+Pass	option.text should work if the option is in an HTML script element	
+Pass	option.text should work if the option is in an SVG script element	
+Pass	option.text should work if the option is in a MathML script element	
+Pass	option.text should ignore comment children	
+Pass	option.text should ignore PI children	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-setter.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-setter.txt
new file mode 100644
index 00000000000..98bf82fc7df
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-setter.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	Verify that using HTMLOptionElement.text setter does not update the existing text child node.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.txt
new file mode 100644
index 00000000000..7939fddb281
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.txt
@@ -0,0 +1,60 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 50 tests
+
+50 Pass
+Details
+Result	Test Name	MessagePass	HTMLOptionElement.text	
+Pass	option.text should strip leading space characters (" ")	
+Pass	option.text should strip leading space characters ("\t")	
+Pass	option.text should strip leading space characters ("\n")	
+Pass	option.text should strip leading space characters ("\f")	
+Pass	option.text should strip leading space characters ("\r")	
+Pass	option.text should strip trailing space characters (" ")	
+Pass	option.text should strip trailing space characters ("\t")	
+Pass	option.text should strip trailing space characters ("\n")	
+Pass	option.text should strip trailing space characters ("\f")	
+Pass	option.text should strip trailing space characters ("\r")	
+Pass	option.text should strip leading and trailing space characters (" ")	
+Pass	option.text should strip leading and trailing space characters ("\t")	
+Pass	option.text should strip leading and trailing space characters ("\n")	
+Pass	option.text should strip leading and trailing space characters ("\f")	
+Pass	option.text should strip leading and trailing space characters ("\r")	
+Pass	option.text should replace single internal space characters (" ")	
+Pass	option.text should replace single internal space characters ("\t")	
+Pass	option.text should replace single internal space characters ("\n")	
+Pass	option.text should replace single internal space characters ("\f")	
+Pass	option.text should replace single internal space characters ("\r")	
+Pass	option.text should replace multiple internal space characters (" ", " ")	
+Pass	option.text should replace multiple internal space characters (" ", "\t")	
+Pass	option.text should replace multiple internal space characters (" ", "\n")	
+Pass	option.text should replace multiple internal space characters (" ", "\f")	
+Pass	option.text should replace multiple internal space characters (" ", "\r")	
+Pass	option.text should replace multiple internal space characters ("\t", " ")	
+Pass	option.text should replace multiple internal space characters ("\t", "\t")	
+Pass	option.text should replace multiple internal space characters ("\t", "\n")	
+Pass	option.text should replace multiple internal space characters ("\t", "\f")	
+Pass	option.text should replace multiple internal space characters ("\t", "\r")	
+Pass	option.text should replace multiple internal space characters ("\n", " ")	
+Pass	option.text should replace multiple internal space characters ("\n", "\t")	
+Pass	option.text should replace multiple internal space characters ("\n", "\n")	
+Pass	option.text should replace multiple internal space characters ("\n", "\f")	
+Pass	option.text should replace multiple internal space characters ("\n", "\r")	
+Pass	option.text should replace multiple internal space characters ("\f", " ")	
+Pass	option.text should replace multiple internal space characters ("\f", "\t")	
+Pass	option.text should replace multiple internal space characters ("\f", "\n")	
+Pass	option.text should replace multiple internal space characters ("\f", "\f")	
+Pass	option.text should replace multiple internal space characters ("\f", "\r")	
+Pass	option.text should replace multiple internal space characters ("\r", " ")	
+Pass	option.text should replace multiple internal space characters ("\r", "\t")	
+Pass	option.text should replace multiple internal space characters ("\r", "\n")	
+Pass	option.text should replace multiple internal space characters ("\r", "\f")	
+Pass	option.text should replace multiple internal space characters ("\r", "\r")	
+Pass	option.text should leave leading NBSP alone.	
+Pass	option.text should leave trailing NBSP alone.	
+Pass	option.text should leave a single internal NBSP alone.	
+Pass	option.text should leave two internal NBSPs alone.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-value.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-value.txt
new file mode 100644
index 00000000000..79fe0e91921
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-option-element/option-value.txt
@@ -0,0 +1,23 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 12 tests
+
+9 Pass
+3 Fail
+Details
+Result	Test Name	MessagePass	No children, no value	
+Pass	No children, empty value	
+Pass	No children, value	
+Fail	No children, namespaced value	
+Pass	Single child, no value	
+Pass	Single child, empty value	
+Pass	Single child, value	
+Fail	Single child, namespaced value	
+Pass	Two children, no value	
+Pass	Two children, empty value	
+Pass	Two children, value	
+Fail	Two children, namespaced value	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.txt
new file mode 100644
index 00000000000..0ec944603e7
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 3 tests
+
+1 Pass
+2 Fail
+Details
+Result	Test Name	MessagePass	if before and node are the same element nothing should be done	
+Fail	add method should add option elements correctly	Cannot access property "value" on undefined object "selly[i]"
+Fail	add method should add option groups correctly	Cannot access property "value" on undefined object "selly[i]"
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.txt
new file mode 100644
index 00000000000..01e75cc0d59
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.txt
@@ -0,0 +1,16 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 6 tests
+
+6 Pass
+Details
+Result	Test Name	MessagePass	if only one item has a *name* or id value matching the parameter, return that object and stop	
+Pass	if only one item has a name or *id* value matching the parameter, return that object and stop	
+Pass	if no item has a name or id value matching the parameter, return null and stop	
+Pass	if multiple items have a name or *id* value matching the parameter, return the first object and stop	
+Pass	if multiple items have a *name* or id value matching the parameter, return the first object and stop	
+Pass	if multiple items have a *name* or *id* value matching the parameter, return the first object and stop	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.txt
new file mode 100644
index 00000000000..a75cf455a4e
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.txt
@@ -0,0 +1,19 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 8 tests
+
+6 Pass
+2 Fail
+Details
+Result	Test Name	MessagePass	On getting, the length attribute must return the number of nodes represented by the collection.	
+Pass	Changing the length adds new nodes; The number of new nodes = new length minus old length	
+Fail	New nodes have no value	Cannot access property "value" on undefined object "selly[i]"
+Pass	Setting a length equal to existing length changes nothing	
+Pass	Setting a length lower than the old length trims nodes from the end	
+Pass	Setting element to null by index removed the element	
+Fail	Setting element by index should correctly append and replace elements	Cannot access property "value" on undefined object "selly[i]"
+Pass	Changing the length adds new nodes; The new nodes will not copy select's prefix	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.txt
new file mode 100644
index 00000000000..a9d81413967
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.txt
@@ -0,0 +1,16 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 5 tests
+
+1 Pass
+4 Fail
+Details
+Result	Test Name	MessagePass	The last selected OPTION should win; Inserted by parser	
+Fail	The last selected OPTION should win; Inserted by DOM API	
+Fail	The last selected OPTION should win; Inserted by jQuery append()	
+Fail	The last selected OPTION should win; Inserted by innerHTML	
+Fail	If an OPTION says it is selected, it should be selected after it is inserted.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.txt
new file mode 100644
index 00000000000..e6b71ef7f79
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	select.add() with an index should work when the target is inside an optgroup.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add.txt
new file mode 100644
index 00000000000..64aa231ae84
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-add.txt
@@ -0,0 +1,12 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 2 tests
+
+2 Pass
+Details
+Result	Test Name	MessagePass	test that HTMLSelectElement.add method can add option element	
+Pass	test that HierarchyRequestError exception must be thrown when element is an ancestor of the element into which it is to be inserted	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.txt
new file mode 100644
index 00000000000..f3d0e5b50db
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.txt
@@ -0,0 +1,13 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 3 tests
+
+3 Fail
+Details
+Result	Test Name	MessageFail	ask for reset on node remove, non multiple.	
+Fail	ask for reset on node insert, non multiple.	
+Fail	change selectedness of option, non multiple.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-keyboard.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-keyboard.tentative.txt
new file mode 100644
index 00000000000..507da7bc045
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-keyboard.tentative.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 3 tests
+
+1 Pass
+2 Fail
+Details
+Result	Test Name	MessageFail	Validate Enter, Up/Down Arrow, and Space keyboard accessibility support for <select>	
+Pass	Firing a synthetic event at a select's option doesn't crash	
+Fail	Validate Enter, Up/Down Arrow keyboard accessibility support for disabled <select>	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-many-options.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-many-options.tentative.txt
new file mode 100644
index 00000000000..e266e74cd9a
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-many-options.tentative.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	The popover should be bottom left positioned	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-multiple.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-multiple.txt
new file mode 100644
index 00000000000..86d2f810469
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-multiple.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 3 tests
+
+2 Pass
+1 Fail
+Details
+Result	Test Name	MessagePass	multiple selected options exist, both set from markup	
+Pass	multiple selected options exist, one set from script	
+Fail	Removing multiple attribute reduces the number of selected OPTIONs to 1	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-named-getter.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-named-getter.txt
new file mode 100644
index 00000000000..aade1c9560c
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-named-getter.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+4 Pass
+Details
+Result	Test Name	MessagePass	Option with id	
+Pass	Option with name	
+Pass	Option with name and id	
+Pass	Empty string name	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-option-focusable.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-option-focusable.tentative.txt
new file mode 100644
index 00000000000..c1f0f5f72e7
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-option-focusable.tentative.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	Validate <option> is focusable when is a descendant of <select>	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-popover-position-with-zoom.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-popover-position-with-zoom.tentative.txt
new file mode 100644
index 00000000000..6740142a2ac
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-popover-position-with-zoom.tentative.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+4 Fail
+Details
+Result	Test Name	MessageFail	The popover should be bottom left positioned	
+Fail	The popover should be top left positioned	
+Fail	The popover should be bottom right positioned	
+Fail	The popover should be top right positioned	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-light-dismiss-invalidation.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-light-dismiss-invalidation.tentative.txt
new file mode 100644
index 00000000000..862e26913eb
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-light-dismiss-invalidation.tentative.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	select should not match :open when light dismissed.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-open-closed.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-open-closed.tentative.txt
new file mode 100644
index 00000000000..e7fed6a1e8f
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-pseudo-open-closed.tentative.txt
@@ -0,0 +1,12 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 2 tests
+
+2 Fail
+Details
+Result	Test Name	MessageFail	select should support :open and :closed pseudo selectors.	
+Fail	select :open and :closed should invalidate correctly.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-remove.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-remove.txt
new file mode 100644
index 00000000000..62c3fa52093
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-remove.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+4 Pass
+Details
+Result	Test Name	MessagePass	select.remove(n) should work	
+Pass	select.options.remove(n) should work	
+Pass	remove() should work on select elements.	
+Pass	Element#remove() should work on select elements.	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.txt
new file mode 100644
index 00000000000..0c207e5fdbd
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	Test required attribute	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.txt
new file mode 100644
index 00000000000..e9b25a42e37
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.txt
@@ -0,0 +1,19 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 8 tests
+
+7 Pass
+1 Fail
+Details
+Result	Test Name	MessagePass	.selectedOptions with no selected option	
+Pass	.selectedOptions with one selected option	
+Pass	.selectedOptions using the 'multiple' attribute with no selected options	
+Pass	.selectedOptions using the 'multiple' attribute with two selected options	
+Pass	.selectedOptions without the 'multiple' attribute but more than one selected option should return the last one	
+Pass	.selectedOptions should return `HTMLCollection` instance	
+Pass	.selectedOptions should always return the same value - [SameObject]	
+Fail	.selectedOptions should return the same object after selection changes - [SameObject]	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.txt
new file mode 100644
index 00000000000..c5709177ff6
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	select setCustomValidity is correct	Cannot access property "customError" on undefined object "elem.validity"
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.txt
new file mode 100644
index 00000000000..603d1ef93a9
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.txt
@@ -0,0 +1,12 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 2 tests
+
+2 Fail
+Details
+Result	Test Name	MessageFail	Validation for placeholder option	
+Fail	Check form not submitted for invalid select	undefined is not a function (evaluated from 'select2.checkValidity')
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.txt
new file mode 100644
index 00000000000..9e9b4a95fa7
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-validity.txt
@@ -0,0 +1,16 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 6 tests
+
+6 Fail
+Details
+Result	Test Name	MessageFail	Placeholder label options within a select	
+Fail	Placeholder label-like options within optgroup	undefined is not a function (evaluated from 'select.checkValidity')
+Fail	Validation on selects with display size set as more than one	undefined is not a function (evaluated from 'select.checkValidity')
+Fail	Validation on selects with multiple set	undefined is not a function (evaluated from 'select.checkValidity')
+Fail	Validation on selects with non-empty disabled option	undefined is not a function (evaluated from 'select.checkValidity')
+Fail	Remove and add back the placeholder label option	undefined is not a function (evaluated from 'select.checkValidity')
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.txt
new file mode 100644
index 00000000000..7851914d111
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	select.value should reflect option.value	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.txt
new file mode 100644
index 00000000000..1e8fbbb44e9
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.txt
@@ -0,0 +1,21 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 11 tests
+
+11 Fail
+Details
+Result	Test Name	MessageFail	Test that HTMLselect with no options has empty string for value and null for selectedOption	
+Fail	Test value and selectedOption with HTMLOptionElement element option parts	
+Fail	Test value and selectedOption when value is null	
+Fail	Test value and selectedOption when value is undefined	
+Fail	Test value with non-HTMLOptionElement elements labeled as parts	
+Fail	Test that value and selectedOption are updated when options are removed	
+Fail	Test that slotted-in selected-value part is updated to value of select	
+Fail	Test that option parts in a slotted-in listbox are reflected in the value property	
+Fail	Test that value and selectedOption are correctly updated	
+Fail	Test that HTMLOption.selected updates select.value and select.selectedOption	
+Fail	Test that HTMLOption.value updates select.value	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value.txt
new file mode 100644
index 00000000000..f214eb0924f
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-value.txt
@@ -0,0 +1,14 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+4 Pass
+Details
+Result	Test Name	MessagePass	options	
+Pass	optgroups	
+Pass	option is child of div	
+Pass	no options	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.txt
new file mode 100644
index 00000000000..904bec92f76
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Fail
+Details
+Result	Test Name	MessageFail	Select element with "readonly" attribute shouldn't be barred from constraint validation	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/selected-index.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/selected-index.txt
new file mode 100644
index 00000000000..f83d7bbea4a
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/selected-index.txt
@@ -0,0 +1,23 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 13 tests
+
+13 Pass
+Details
+Result	Test Name	MessagePass	get empty	
+Pass	get default	
+Pass	get disabled	
+Pass	get unselected	
+Pass	set empty (HTMLSelectElement)	
+Pass	set empty (HTMLOptionsCollection)	
+Pass	set (HTMLSelectElement)	
+Pass	set (HTMLOptionsCollection)	
+Pass	set and reset (HTMLSelectElement)	
+Pass	set and reset (HTMLOptionsCollection)	
+Pass	get display:none	
+Pass	reset to display:none	
+Pass	set selectedIndex=-1	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-cross-origin-iframe.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-cross-origin-iframe.txt
new file mode 100644
index 00000000000..785c2d01e6c
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-cross-origin-iframe.txt
@@ -0,0 +1,15 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 4 tests
+
+1 Pass
+3 Fail
+Details
+Result	Test Name	MessagePass	Test showPicker() called from cross-origin iframe	
+Fail	Test showPicker() called from cross-origin iframe 1	
+Fail	Test showPicker() called from cross-origin iframe 2	
+Fail	Test showPicker() called from cross-origin iframe 3	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-disabled.txt b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-disabled.txt
new file mode 100644
index 00000000000..217f357f455
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/semantics/forms/the-select-element/show-picker-disabled.txt
@@ -0,0 +1,11 @@
+Summary
+
+Harness status: OK
+
+Rerun
+
+Found 1 tests
+
+1 Pass
+Details
+Result	Test Name	MessagePass	select showPicker() throws when disabled	
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.html
new file mode 100644
index 00000000000..9900f80172b
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.html
@@ -0,0 +1,8 @@
+<!doctype html>
+<meta charset=utf-8>
+
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<div id=log></div>
+<script src="optgroup-removal.window.js"></script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.js b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.js
new file mode 100644
index 00000000000..ea23e8d724a
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-optgroup-element/optgroup-removal.window.js
@@ -0,0 +1,7 @@
+test(() => {
+  const select = document.createElement("select");
+  select.innerHTML = "<optgroup><option>1</optgroup><optgroup><option>2";
+  assert_equals(select.value, "1");
+  select.querySelector("optgroup").remove();
+  assert_equals(select.value, "2");
+}, "<select> needs to be updated when <optgroup> is removed");
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.html
new file mode 100644
index 00000000000..7622034d08f
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-element-constructor.html
@@ -0,0 +1,135 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Option element constructor</title>
+<link rel="author" title="Alex Pearson" href="mailto:alex@alexpear.com">
+<link rel="help" href="https://html.spec.whatwg.org/#the-option-element">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<div id="parent">
+  <div id="child" tabindex="0"></div>
+</div>
+
+<body>
+<script>
+  "use strict";
+
+  test(() => {
+    const option = new Option();
+
+    assert_true(option instanceof HTMLOptionElement);
+
+    assert_false(option.hasChildNodes());
+    assert_false(option.hasAttribute("value"));
+    assert_false(option.hasAttribute("selected"));
+    assert_false(option.selected);
+
+    assert_equals(option.textContent, "");
+    assert_equals(option.value, "");
+  }, "Option constructor with no arguments");
+
+  test(() => {
+    const option = new Option(false, false);
+
+    assert_true(option instanceof HTMLOptionElement);
+
+    assert_true(option.hasChildNodes());
+    assert_equals(option.childNodes.length, 1);
+    assert_equals(option.childNodes[0].nodeType, Node.TEXT_NODE);
+    assert_equals(option.childNodes[0].data, "false");
+    assert_equals(option.getAttribute("value"), "false");
+    assert_false(option.hasAttribute("selected"));
+    assert_false(option.selected);
+
+    assert_equals(option.textContent, "false");
+    assert_equals(option.value, "false");
+  }, "Option constructor with falsy arguments");
+
+  test(() => {
+    const option = new Option("text", "value");
+
+    assert_true(option.hasChildNodes());
+    assert_equals(option.childNodes.length, 1);
+    assert_equals(option.childNodes[0].nodeType, Node.TEXT_NODE);
+    assert_equals(option.childNodes[0].data, "text");
+    assert_equals(option.getAttribute("value"), "value");
+    assert_false(option.hasAttribute("selected"));
+    assert_false(option.selected);
+
+    assert_equals(option.textContent, "text");
+    assert_equals(option.value, "value");
+  }, "Option constructor creates HTMLOptionElement with specified text and value");
+
+  test(() => {
+    const notSelected = new Option("text", "value", false);
+    const selected = new Option("text", "value", true);
+
+    assert_false(notSelected.hasAttribute("selected"));
+    assert_equals(notSelected.getAttribute("selected"), null);
+    assert_false(notSelected.selected);
+
+    assert_equals(selected.getAttribute("selected"), "");
+    assert_false(selected.selected);
+  }, "Option constructor handles selectedness correctly when specified with defaultSelected only");
+
+  test(() => {
+    const notSelected = new Option("text", "value", true, false);
+    const selected = new Option("text", "value", false, true);
+
+    assert_equals(notSelected.selected, false);
+    assert_equals(selected.selected, true);
+  }, "Option constructor handles selectedness correctly, even when incongruous with defaultSelected");
+
+  test(() => {
+    const option = new Option(undefined, undefined);
+
+    assert_false(option.hasChildNodes());
+    assert_false(option.hasAttribute("value"));
+
+    assert_equals(option.textContent, "");
+    assert_equals(option.value, "");
+  }, "Option constructor treats undefined text and value correctly");
+
+  test(() => {
+    const option = new Option("", "");
+
+    assert_false(option.hasChildNodes());
+    assert_true(option.hasAttribute("value"));
+
+    assert_equals(option.textContent, "");
+    assert_equals(option.value, "");
+  }, "Option constructor treats empty text and value correctly");
+
+  test(() => {
+    const option = new Option("text", "value", 0, "");
+
+    assert_false(option.hasAttribute("selected"));
+    assert_false(option.selected);
+  }, "Option constructor treats falsy selected and defaultSelected correctly");
+
+  test(() => {
+    const option = new Option("text", "value", {}, 1);
+
+    assert_true(option.hasAttribute("selected"));
+    assert_true(option.selected);
+  }, "Option constructor treats truthy selected and defaultSelected correctly");
+
+  test(() => {
+    const option = new Option("text", "value", false, true);
+
+    assert_false(option.hasAttribute("selected"));
+    assert_true(option.selected);
+
+    option.setAttribute("selected", "");
+    assert_true(option.selected);
+
+    option.removeAttribute("selected");
+    assert_false(option.selected);
+  }, "Option constructor does not set dirtiness (so, manipulating the selected content attribute still updates the " +
+     "selected IDL attribute)");
+
+  test(function() {
+    var option = new Option();
+    assert_equals(Object.getPrototypeOf(option), HTMLOptionElement.prototype);
+  }, "Prototype of object created with named constructor");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-form.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-form.html
new file mode 100644
index 00000000000..55d8b3cc342
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-form.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.form</title>
+<link rel=author title="Sergey Alexandrov" href="mailto:splavgm@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-form">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<form id="form">
+    <select id="select">
+        <optgroup id="optgroup"></optgroup>
+    </select>
+</form>
+<div id=log></div>
+
+<script>
+test(function () {
+  var form = document.getElementById("form");
+  var select = document.getElementById("select");
+  var optgroup = document.getElementById("optgroup");
+
+  var o1 = document.createElement("option");
+  assert_equals(o1.form, null);
+
+  select.appendChild(o1);
+  assert_equals(o1.form, select.form);
+
+  var o2 = document.createElement("option");
+  select.appendChild(o2);
+  assert_equals(o2.form, select.form);
+
+}, "form");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-index.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-index.html
new file mode 100644
index 00000000000..8cfce789c54
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-index.html
@@ -0,0 +1,54 @@
+<!DOCTYPE HTML>
+<title>HTMLOptionElement.prototype.index</title>
+<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-option-index">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select>
+<option id="option0">hello</option>
+<option id="option1">hello</option>
+</select>
+
+
+<datalist>
+<option id="dl-option0">hello</option>
+<option id="dl-option1">hello</option>
+</datalist>
+
+<option id="doc-option0">hello</option>
+<option id="doc-option1">hello</option>
+
+<script>
+"use strict";
+
+test(() => {
+
+  assert_equals(document.querySelector("#option0").index, 0);
+  assert_equals(document.querySelector("#option1").index, 1);
+
+}, "option index should work inside the document");
+
+test(() => {
+
+  assert_equals(document.querySelector("#dl-option0").index, 0);
+  assert_equals(document.querySelector("#dl-option1").index, 0);
+
+}, "option index should always be 0 for options in datalists");
+
+test(() => {
+
+  assert_equals(document.querySelector("#doc-option0").index, 0);
+  assert_equals(document.querySelector("#doc-option1").index, 0);
+
+}, "option index should always be 0 for options with no container");
+
+test(() => {
+
+  assert_equals(document.createElement("option").index, 0);
+  assert_equals(document.createElement("option").index, 0);
+
+}, "option index should always be 0 for options not even in the document");
+
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label-value.js b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label-value.js
new file mode 100644
index 00000000000..5c453f1733e
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label-value.js
@@ -0,0 +1,82 @@
+function test_option(member) {
+  test(function() {
+    var option = document.createElement("option");
+    assert_equals(option[member], "");
+  }, "No children, no " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.setAttribute(member, "")
+    assert_equals(option[member], "");
+  }, "No children, empty " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.setAttribute(member, member)
+    assert_equals(option[member], member);
+  }, "No children, " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.setAttributeNS("http://www.example.com/", member, member)
+    assert_equals(option[member], "");
+  }, "No children, namespaced " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    assert_equals(option[member], "child");
+  }, "Single child, no " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.setAttribute(member, "")
+    assert_equals(option[member], "");
+  }, "Single child, empty " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.setAttribute(member, member)
+    assert_equals(option[member], member);
+  }, "Single child, " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.setAttributeNS("http://www.example.com/", member, member)
+    assert_equals(option[member], "child");
+  }, "Single child, namespaced " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.appendChild(document.createTextNode(" node "));
+    assert_equals(option[member], "child node");
+  }, "Two children, no " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.appendChild(document.createTextNode(" node "));
+    option.setAttribute(member, "")
+    assert_equals(option[member], "");
+  }, "Two children, empty " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.appendChild(document.createTextNode(" node "));
+    option.setAttribute(member, member)
+    assert_equals(option[member], member);
+  }, "Two children, " + member);
+
+  test(function() {
+    var option = document.createElement("option");
+    option.appendChild(document.createTextNode(" child "));
+    option.appendChild(document.createTextNode(" node "));
+    option.setAttributeNS("http://www.example.com/", member, member)
+    assert_equals(option[member], "child node");
+  }, "Two children, namespaced " + member);
+}
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label.html
new file mode 100644
index 00000000000..dbb8842c412
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-label.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.label</title>
+<link rel=author title=Ms2ger href="mailto:Ms2ger@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-label">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<script src=option-label-value.js></script>
+<div id=log></div>
+<script>
+test_option("label")
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-selected.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-selected.html
new file mode 100644
index 00000000000..bd001a9bebb
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-selected.html
@@ -0,0 +1,61 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.selected</title>
+<link rel=author title="Corey Farwell" href="mailto:coreyf@rwell.org">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-selected">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+
+<script>
+test(function () {
+  var elem = document.createElement("option");
+  assert_equals(elem.selected, false);
+
+  elem.setAttribute("selected", "");
+  assert_equals(elem.selected, true);
+
+  elem.removeAttribute("selected");
+  assert_equals(elem.selected, false);
+
+  elem.defaultSelected = true
+  assert_equals(elem.selected, true);
+
+  elem.defaultSelected = false;
+  assert_equals(elem.selected, false);
+}, "not dirty");
+
+test(function () {
+  testDirty(true);
+}, "dirty, selected");
+
+test(function () {
+  testDirty(false);
+}, "dirty, not selected");
+
+function testDirty(isSelected) {
+  var elem = document.createElement("option");
+
+  elem.selected = isSelected;  // After this assignment, dirtiness=true
+  assertDirty(elem, isSelected);
+
+  elem.selected = !isSelected;  // Change the value, still dirty
+  assertDirty(elem, !isSelected);
+};
+
+function assertDirty(elem, expect) {
+  assert_equals(elem.selected, expect);
+
+  elem.setAttribute("selected", "");
+  assert_equals(elem.selected, expect);
+
+  elem.removeAttribute("selected");
+  assert_equals(elem.selected, expect);
+
+  elem.defaultSelected = true;
+  assert_equals(elem.selected, expect);
+
+  elem.defaultSelected = false;
+  assert_equals(elem.selected, expect);
+}
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.html
new file mode 100644
index 00000000000..91e42c1353b
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-backslash.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<meta charset=EUC-JP>
+<title>Test for the backslash sign in option.text</title>
+<script src=../../../../resources/testharness.js></script>
+<script src=../../../../resources/testharnessreport.js></script>
+<div id=log></div>
+<select id=test><option>\</option></select>
+<script>
+test(function() {
+  var select = document.getElementById("test");
+  var option = select.firstChild;
+  assert_equals(option.text, "\\");
+  assert_equals(option.textContent, "\\");
+});
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-label.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-label.html
new file mode 100644
index 00000000000..c6b14e2a326
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-label.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.text</title>
+<link rel=author title=Ms2ger href="mailto:Ms2ger@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-text">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+test(function() {
+  var option = document.createElement("option");
+  option.setAttribute("label", "label");
+  option.textContent = "text";
+  assert_equals(option.text, "text");
+}, "Option with non-empty label.");
+
+test(function() {
+  var option = document.createElement("option");
+  option.setAttribute("label", "");
+  option.textContent = "text";
+  assert_equals(option.text, "text");
+}, "Option with empty label.");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.html
new file mode 100644
index 00000000000..c785fd4db46
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-recurse.html
@@ -0,0 +1,92 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.text</title>
+<link rel=author title=Ms2ger href="mailto:Ms2ger@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-text">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createElement("font"))
+        .appendChild(document.createTextNode(" font "));
+  assert_equals(option.text, "font");
+}, "option.text should recurse");
+
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode(" before "));
+  option.appendChild(document.createElement("script"))
+        .appendChild(document.createTextNode(" script "));
+  option.appendChild(document.createTextNode(" after "));
+  assert_equals(option.text, "before after");
+}, "option.text should not recurse into HTML script elements");
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode(" before "));
+  option.appendChild(document.createElementNS("http://www.w3.org/2000/svg", "script"))
+        .appendChild(document.createTextNode(" script "));
+  option.appendChild(document.createTextNode(" after "));
+  assert_equals(option.text, "before after");
+}, "option.text should not recurse into SVG script elements");
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode(" before "));
+  option.appendChild(document.createElementNS("http://www.w3.org/1998/Math/MathML", "script"))
+        .appendChild(document.createTextNode(" script "));
+  option.appendChild(document.createTextNode(" after "));
+  assert_equals(option.text, "before script after");
+}, "option.text should recurse into MathML script elements");
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode(" before "));
+  option.appendChild(document.createElementNS(null, "script"))
+        .appendChild(document.createTextNode(" script "));
+  option.appendChild(document.createTextNode(" after "));
+  assert_equals(option.text, "before script after");
+}, "option.text should recurse into null script elements");
+test(function() {
+  var option = document.createElement("option");
+  var span = option.appendChild(document.createElement("span"));
+  span.appendChild(document.createTextNode(" Some "));
+  span.appendChild(document.createElement("script"))
+      .appendChild(document.createTextNode(" script "));
+  option.appendChild(document.createTextNode(" Text "));
+  assert_equals(option.text, "Some Text");
+}, "option.text should work if a child of the option ends with a script");
+
+test(function() {
+  var script = document.createElement("script");
+  var option = script.appendChild(document.createElement("option"));
+  option.appendChild(document.createTextNode("text"));
+  assert_equals(option.text, "text");
+}, "option.text should work if the option is in an HTML script element");
+test(function() {
+  var script = document.createElementNS("http://www.w3.org/2000/svg", "script");
+  var option = script.appendChild(document.createElement("option"));
+  option.appendChild(document.createTextNode("text"));
+  assert_equals(option.text, "text");
+}, "option.text should work if the option is in an SVG script element");
+test(function() {
+  var script = document.createElementNS("http://www.w3.org/1998/Math/MathML", "script");
+  var option = script.appendChild(document.createElement("option"));
+  option.appendChild(document.createTextNode("text"));
+  assert_equals(option.text, "text");
+}, "option.text should work if the option is in a MathML script element");
+
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode("te"));
+  option.appendChild(document.createComment("comment"));
+  option.appendChild(document.createTextNode("xt"));
+  assert_equals(option.text, "text");
+}, "option.text should ignore comment children");
+test(function() {
+  var option = document.createElement("option");
+  option.appendChild(document.createTextNode("te"));
+  option.appendChild(document.createProcessingInstruction("target", "data"));
+  option.appendChild(document.createTextNode("xt"));
+  assert_equals(option.text, "text");
+}, "option.text should ignore PI children");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-setter.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-setter.html
new file mode 100644
index 00000000000..ab8e1a36d75
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-setter.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<form>
+    <select>
+        <option value='foo'>bar</option>
+    </select>
+</form>
+<script>
+test(() => {
+    var option = document.querySelector('option');
+    var textChild = option.firstChild;
+    assert_equals(textChild.nodeValue, "bar", "Verify that text child node's value equals the option value.");
+    assert_true(textChild.isConnected, 'Verify that text child node is in the document.');
+    option.text = "baz";
+    assert_equals(textChild.nodeValue, "bar", 'Verify that the text child node does not have an updated value.');
+    assert_false(textChild.isConnected, 'Verify that the text child node is not in the document.');
+    assert_not_equals(textChild, option.firstChild, 'Verify that text child node was replaced by a different text child node.');
+    assert_equals(option.firstChild.nodeValue, "baz", 'Verify that the new text child node does equal the updated value.');
+    assert_equals(option.text, "baz", 'Verify that option text getter returns the updated value.');
+    option.text = "";
+    assert_equals(option.firstChild, null, 'Verify that after setting to empty string there are no child text nodes.');
+}, 'Verify that using HTMLOptionElement.text setter does not update the existing text child node.');
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.html
new file mode 100644
index 00000000000..99d7b922264
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-text-spaces.html
@@ -0,0 +1,75 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.text</title>
+<link rel=author title=Ms2ger href="mailto:Ms2ger@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-text">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+test(function() {
+  var spaces = ["\u0020", "\u0009", "\u000A", "\u000C", "\u000D"];
+  spaces.forEach(function(space) {
+    test(function() {
+      var option = document.createElement("option");
+      option.textContent = space + "text";
+      assert_equals(option.text, "text");
+    }, "option.text should strip leading space characters (" +
+        format_value(space) + ")");
+  });
+  spaces.forEach(function(space) {
+    test(function() {
+      var option = document.createElement("option");
+      option.textContent = "text" + space;
+      assert_equals(option.text, "text");
+    }, "option.text should strip trailing space characters (" +
+        format_value(space) + ")");
+  });
+  spaces.forEach(function(space) {
+    test(function() {
+      var option = document.createElement("option");
+      option.textContent = space + "text" + space;
+      assert_equals(option.text, "text");
+    }, "option.text should strip leading and trailing space characters (" +
+        format_value(space) + ")");
+  });
+  spaces.forEach(function(space) {
+    test(function() {
+      var option = document.createElement("option");
+      option.textContent = "before" + space + "after";
+      assert_equals(option.text, "before after");
+    }, "option.text should replace single internal space characters (" +
+        format_value(space) + ")");
+  });
+  spaces.forEach(function(space1) {
+    spaces.forEach(function(space2) {
+      test(function() {
+        var option = document.createElement("option");
+        option.textContent = "before" + space1 + space2 + "after";
+        assert_equals(option.text, "before after");
+      }, "option.text should replace multiple internal space characters (" +
+          format_value(space1) + ", " + format_value(space2) + ")");
+    });
+  });
+  test(function() {
+    var option = document.createElement("option");
+    option.textContent = "\u00a0text";
+    assert_equals(option.text, "\u00a0text");
+  }, "option.text should leave leading NBSP alone.");
+  test(function() {
+    var option = document.createElement("option");
+    option.textContent = "text\u00a0";
+    assert_equals(option.text, "text\u00a0");
+  }, "option.text should leave trailing NBSP alone.");
+  test(function() {
+    var option = document.createElement("option");
+    option.textContent = "before\u00a0after";
+    assert_equals(option.text, "before\u00a0after");
+  }, "option.text should leave a single internal NBSP alone.");
+  test(function() {
+    var option = document.createElement("option");
+    option.textContent = "before\u00a0\u00a0after";
+    assert_equals(option.text, "before\u00a0\u00a0after");
+  }, "option.text should leave two internal NBSPs alone.");
+});
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-value.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-value.html
new file mode 100644
index 00000000000..945249b9b41
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-option-element/option-value.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLOptionElement.value</title>
+<link rel=author title=Ms2ger href="mailto:Ms2ger@gmail.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-option-label">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<script src=option-label-value.js></script>
+<div id=log></div>
+<script>
+test_option("value")
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/WEB_FEATURES.yml b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/WEB_FEATURES.yml
new file mode 100644
index 00000000000..9695c952942
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/WEB_FEATURES.yml
@@ -0,0 +1,9 @@
+features:
+- name: constraint-validation
+  files:
+  - select-setcustomvalidity.html
+  - select-validity.html
+  - select-willvalidate-readonly-attribute.html
+- name: show-picker-select
+  files:
+  - show-picker-*
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.html
new file mode 100644
index 00000000000..4bbdc97ccec
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-add.html
@@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title id='title'>HTMLOptionsCollection</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<select id="selly">
+  <option id="id1" name="name1">1</option>
+  <option id="id2" name="name2">2</option>
+  <option id="id3" name="name3">3</option>
+  <option id="id4" name="name4">4</option>
+  <optgroup id="og1">
+    <option name="nameonly">n1</option>
+    <option id="id5">5</option>
+  </optgroup>
+  <optgroup id="og2">
+    <option name="nameonly">n2</option>
+    <option id="id6">6</option>
+  </optgroup>
+
+</select>
+
+<script>
+var selly;
+setup(function() {
+    selly = document.getElementById('selly');
+});
+
+test(function () {
+    var option = document.getElementById('id1');
+    var optgroup = document.getElementById('og1');
+    selly.options.add(option, option);
+    selly.options.add(optgroup, optgroup);
+    assert_equals(selly.children.length, 6);
+    assert_equals(selly.length, 8);
+}, "if before and node are the same element nothing should be done");
+
+test(function () {
+    var o1 = document.createElement("option");
+    o1.value = "a";
+    var o2 = document.createElement("option");
+    o2.value = "b";
+    var o3 = document.createElement("option");
+    o3.value = "c";
+    var optgroup = document.getElementById('og1');
+    selly.options.add(o1, null);
+    selly.options.add(o2, optgroup);
+    selly.options.add(o3, 0);
+
+    var elarray = [];
+    for (var i = 0; i < selly.length; i++) {
+        elarray.push(selly[i].value);
+    }
+    assert_array_equals(elarray, ["c", "1", "2", "3", "4", "b", "n1", "5", "n2", "6", "a"]);
+}, "add method should add option elements correctly");
+
+test(function () {
+    var og1 = document.createElement("optgroup");
+    var o1 = document.createElement("option");
+    o1.value = "a";
+    o1.appendChild(og1);
+    var og2 = document.createElement("optgroup");
+    var o2 = document.createElement("option");
+    o2.value = "b";
+    o2.appendChild(og2);
+    var og3 = document.createElement("optgroup");
+    var o3 = document.createElement("option");
+    o3.value = "c";
+    o3.appendChild(og3);
+
+    var optgroup = document.getElementById('og1');
+    selly.options.add(og1, null);
+    selly.options.add(og2, optgroup);
+    selly.options.add(og3, 0);
+
+    var elarray = [];
+    for (var i = 0; i < selly.length; i++) {
+        elarray.push(selly[i].value);
+    }
+    assert_array_equals(elarray, ["c", "1", "2", "3", "4", "b", "n1", "5", "n2", "6", "a"]);
+}, "add method should add option groups correctly");
+
+</script>
+</body>
+</html>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.html
new file mode 100644
index 00000000000..a89af9365dd
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection-namedItem.html
@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title id='title'>HTMLOptionsCollection</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<select id="selly">
+  <option id="id1" name="name1">1</option>
+  <option id="id2" name="name2">2</option>
+  <option id="id3" name="name3">3</option>
+  <option id="id4" name="name4">4</option>
+  <option name="nameonly">nameonly</option>
+  <option id="id3">duplicate ID</option>
+  <option name="name4">duplicate name</option>
+  <option id="mixed1">mixed ID</option>
+  <option name="mixed1">mixed name</option>
+</select>
+
+<script>
+var selly;
+setup(function() {
+    selly = document.getElementById('selly');
+});
+
+test(function () {
+    assert_equals(selly.namedItem('nameonly')["value"], "nameonly");
+}, "if only one item has a *name* or id value matching the parameter, return that object and stop");
+
+test(function () {
+    assert_equals(selly.namedItem('id2')["value"], "2");
+}, "if only one item has a name or *id* value matching the parameter, return that object and stop");
+
+test(function () {
+    assert_equals(selly.namedItem('thisdoesnotexist'), null);
+}, "if no item has a name or id value matching the parameter, return null and stop");
+
+test(function () {
+    assert_equals(selly.namedItem('id3')["value"], "3");
+}, "if multiple items have a name or *id* value matching the parameter, return the first object and stop");
+
+test(function () {
+    assert_equals(selly.namedItem('name4')["value"], "4");
+}, "if multiple items have a *name* or id value matching the parameter, return the first object and stop");
+
+test(function () {
+    assert_equals(selly.namedItem('mixed1')["value"], "mixed ID");
+}, "if multiple items have a *name* or *id* value matching the parameter, return the first object and stop");
+</script>
+</body>
+</html>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.html
new file mode 100644
index 00000000000..d4a349f30c3
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/common-HTMLOptionsCollection.html
@@ -0,0 +1,117 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title id='title'>HTMLOptionsCollection</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id="log"></div>
+<select id="selly">
+  <option>1</option>
+  <option>2</option>
+  <option>3</option>
+  <option>4</option>
+</select>
+
+<script>
+var selly;
+setup(function() {
+    selly = document.getElementById('selly');
+});
+
+test(function () {
+    assert_equals(selly.length, 4);
+}, "On getting, the length attribute must return the number of nodes represented by the collection.");
+
+test(function () {
+    selly.length = 7;
+    assert_equals(selly.length, 7,
+                  "Number of nodes in collection should have changed");
+    assert_equals(selly.children.length, 7,
+                  "Number of children should have changed");
+    for (var i = 4; i < 7; ++i) {
+        var child = selly.children[i];
+        assert_equals(child.localName, "option",
+                      "new child should be an option");
+        assert_equals(child.namespaceURI, "http://www.w3.org/1999/xhtml",
+                      "new child should be an HTML element");
+        assert_equals(child.attributes.length, 0,
+                      "new child should not have attributes");
+        assert_equals(child.childNodes.length, 0,
+                      "new child should not have child nodes");
+    }
+}, "Changing the length adds new nodes; The number of new nodes = new length minus old length");
+
+test(function () {
+    var elarray = [];
+    for (var i = 0; i < selly.length; i++) {
+        elarray.push(selly[i].value);
+    }
+    assert_array_equals(elarray, ["1", "2", "3", "4", "", "", ""]);
+}, "New nodes have no value");
+
+test(function () {
+    selly.length = 7;
+    assert_equals(selly.length, 7,
+                  "Number of nodes in collection should not have changed");
+    assert_equals(selly.children.length, 7,
+                  "Number of children should not have changed");
+}, "Setting a length equal to existing length changes nothing");
+
+test(function () {
+    selly.length = 4;
+    assert_equals(selly[6], undefined,
+                  "previously set node is now undefined");
+    assert_equals(selly.length, 4,
+                  "Number of nodes in collection is correctly changed");
+    assert_equals(selly.children.length, 4,
+                  "Number of children should have changed");
+}, "Setting a length lower than the old length trims nodes from the end");
+
+test(function () {
+    var opts = selly.options;
+    opts[3] = null;
+    assert_equals(selly[3], undefined,
+                  "previously set node is now undefined");
+    assert_equals(selly.length, 3,
+                  "Number of nodes in collection is correctly changed");
+    assert_equals(selly.children.length, 3,
+                  "Number of children should have changed");
+}, "Setting element to null by index removed the element");
+
+test(function () {
+    var opts = selly.options;
+    var new_option = document.createElement("option");
+    var replace_option = new_option.cloneNode(true);
+    new_option.value = "-1";
+    replace_option.value = "a";
+    opts[5] = new_option;
+    opts[0] = replace_option;
+
+    var elarray = [];
+    for (var i = 0; i < selly.length; i++) {
+        elarray.push(selly[i].value);
+    }
+    assert_array_equals(elarray, ["a", "2", "3", "", "", "-1"]);
+
+}, "Setting element by index should correctly append and replace elements");
+
+test(function () {
+    var selection = document.createElementNS("http://www.w3.org/1999/xhtml", "foo:select");
+
+    selection.length = 5;
+    assert_equals(selection.length, 5,
+                  "Number of nodes in collection should have changed");
+    for (var i = 0; i < 5; ++i) {
+        var child = selection.children[i];
+        assert_equals(child.localName, "option",
+                      "new child should be an option");
+        assert_equals(child.namespaceURI, "http://www.w3.org/1999/xhtml",
+                      "new child should be an HTML element");
+        assert_equals(child.prefix, null,
+                      "new child should not copy select's prefix");
+    }
+
+}, "Changing the length adds new nodes; The new nodes will not copy select's prefix");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.html
new file mode 100644
index 00000000000..40a7dc6f002
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/inserted-or-removed.html
@@ -0,0 +1,103 @@
+<!DOCTYPE html>
+<link rel="help" href="https://html.spec.whatwg.org/C/#the-select-element:nodes-are-inserted">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<body>
+
+<select id="by-parser">
+<option selected>First</option>
+<option selected>Second</option>
+</select>
+
+<select id="by-parser-optgroup">
+<optgroup>
+<option selected>First</option>
+<option selected>Second</option>
+</optgroup>
+</select>
+
+<select id="by-dom"></select>
+
+<select id="by-innerHTML"></select>
+
+<script>
+test(() => {
+  const target = document.querySelector("#by-parser");
+  assert_equals(target.selectedOptions[0].textContent, 'Second');
+
+  const target2 = document.querySelector("#by-parser-optgroup");
+  assert_equals(target2.selectedOptions[0].textContent, 'Second');
+}, 'The last selected OPTION should win; Inserted by parser');
+
+test(() => {
+  const target = document.querySelector("#by-dom");
+  const option1 = document.createElement('option');
+  option1.defaultSelected = true;
+  option1.textContent = 'First';
+  const option2 = document.createElement('option');
+  option2.defaultSelected = true;
+  option2.textContent = 'Second';
+  target.appendChild(option1);
+  target.appendChild(option2);
+  assert_equals(target.selectedOptions[0].textContent, 'Second');
+
+  target.innerHTML = '';
+  const optgroup = document.createElement('optgroup');
+  const option3 = document.createElement('option');
+  option3.defaultSelected = true;
+  option3.textContent = 'First';
+  const option4 = document.createElement('option');
+  option4.defaultSelected = true;
+  option4.textContent = 'Second';
+  optgroup.appendChild(option3);
+  optgroup.appendChild(option4);
+  target.appendChild(optgroup);
+  assert_equals(target.selectedOptions[0].textContent, 'Second');
+}, 'The last selected OPTION should win; Inserted by DOM API');
+
+test(() => {
+  const target = document.querySelector("#by-dom");
+  target.innerHTML = '';
+  const inner = `<option value="one" selected>First</option>
+      <option value="two" selected>Second</option>`;
+
+  // Emulate what jQuery 1.x/2.x does in append(inner).
+  const fragment = document.createDocumentFragment();
+  const div = document.createElement('div');
+  div.innerHTML = '<select multiple>' + inner + '</select>';
+  while (div.firstChild.firstChild)
+    fragment.appendChild(div.firstChild.firstChild);
+  target.appendChild(fragment);
+  assert_equals(target.selectedOptions[0].textContent, 'Second');
+}, 'The last selected OPTION should win; Inserted by jQuery append()');
+
+test(() => {
+  const target = document.querySelector("#by-innerHTML");
+  target.innerHTML = '<option selected>First</option>' +
+      '<option selected>Second</option>';
+  assert_equals(target.selectedOptions[0].textContent, 'Second');
+
+  target.innerHTML = '<option selected>First</option>' +
+      '<optgroup><option selected>Second</option>' +
+      '<option selected>Third</option></optgroup>' +
+      '<option selected>Fourth</option>';
+  assert_equals(target.selectedOptions[0].textContent, 'Fourth');
+}, 'The last selected OPTION should win; Inserted by innerHTML');
+
+test (() => {
+  for (let insert_location = 0; insert_location < 3; ++insert_location) {
+    const target = document.querySelector('#by-innerHTML');
+    target.innerHTML = '<option>A</option>' +
+        '<option selected>C</option>' +
+        '<option>D</option>';
+    const refNode = target.querySelectorAll('option')[insert_location];
+
+    const opt = document.createElement('option');
+    opt.selected = true;
+    opt.textContent = 'B';
+    target.insertBefore(opt, refNode);
+    assert_equals(target.selectedOptions[0].textContent, 'B');
+  }
+}, 'If an OPTION says it is selected, it should be selected after it is inserted.');
+</script>
+</body>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.html
new file mode 100644
index 00000000000..ea32194d3a9
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add-optgroup.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1477785">
+<link rel=help href="https://html.spec.whatwg.org/multipage/common-dom-interfaces.html#dom-htmloptionscollection-add">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select>
+  <option id=opt1>opt1</option>
+  <optgroup label=group1>
+    <option id=opt2>opt2</option>
+  </optgroup>
+</select>
+
+<script>
+test(() => {
+  const select = document.querySelector('select');
+  const optgroup = document.querySelector('optgroup');
+  const newOption = document.createElement('option');
+  newOption.textContent = 'new option';
+
+  select.options.add(newOption, 1);
+  assert_equals(select.options.length, 3);
+  assert_equals(select.options[0], opt1, 'First item should be opt1.');
+  assert_equals(select.options[1], newOption, 'Second item should be newOption.');
+  assert_equals(select.options[2], opt2, 'Third item should be opt2.');
+  assert_equals(newOption.parentNode, optgroup, 'The new option should be inside the optgroup.');
+}, 'select.add() with an index should work when the target is inside an optgroup.');
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add.html
new file mode 100644
index 00000000000..e870aedd84e
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-add.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>HTMLSelectElement Test: add()</title>
+<link rel="author" title="Intel" href="http://www.intel.com/">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/form-elements.html#dom-select-add-dev">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<form style="display:none">
+  <option id="testoption">
+    <select id="testselect1">
+    </select>
+    <select id="testselect2">
+      <option>TEST</option>
+    </select>
+  </option>
+</form>
+
+<script>
+
+test(() => {
+  let testselect1 = document.getElementById("testselect1");
+  let opt1 = new Option("Marry","1");
+  testselect1.add(opt1);
+  assert_equals(testselect1.options[0].value, "1");
+}, "test that HTMLSelectElement.add method can add option element");
+
+test(() => {
+  let testselect2 = document.getElementById("testselect2");
+  let opt2 = document.getElementById("testoption");
+  assert_throws_dom("HierarchyRequestError", () => {
+    testselect2.add(opt2);
+  });
+}, "test that HierarchyRequestError exception must be thrown when element is an ancestor of the element into which it is to be inserted");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.html
new file mode 100644
index 00000000000..ce26ddddd13
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-ask-for-reset.html
@@ -0,0 +1,97 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLSelectElement ask for reset</title>
+<link rel="author" title="Dongie Agnir" href="dongie.agnir@gmail.com">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+test(function() {
+  var select = makeSelect(5);
+
+  select.children[4].selected = true;
+  unselectedExcept(select, 4);
+
+  select.children[4].remove();
+  unselectedExcept(select, 0); // remove selected node, should default to first
+
+  select.children[3].selected = true;
+
+  select.children[0].remove();
+  unselectedExcept(select, 2); // last node still selected
+
+  select.size = 2;
+  select.children[2].remove();
+
+  unselectedExcept(select, null);
+}, "ask for reset on node remove, non multiple.");
+
+test(function() {
+  var select = makeSelect(3);
+  select.children[1].selected = true;
+
+  // insert selected option, should remain selected
+  var opt4 = document.createElement("option");
+  opt4.selected = true;
+  select.appendChild(opt4);
+  unselectedExcept(select, 3);
+
+  // insert unselected, 3 should remain selected
+  var opt5 = document.createElement("option");
+  select.appendChild(opt5);
+  unselectedExcept(select, 3);
+}, "ask for reset on node insert, non multiple.");
+
+test(function() {
+  var select = makeSelect(3);
+
+  var options = select.children;
+
+  // select options from first to last
+  for (var i = 0; i < options.length; ++i) {
+    options[i].selected = true;
+    unselectedExcept(select, i);
+  }
+
+  // select options from last to first
+  for (var i = options.length - 1; i >= 0; --i) {
+    options[i].selected = true;
+    unselectedExcept(select, i);
+  }
+
+  options[2].selected = true;
+  options[2].selected = false; // none selected
+  unselectedExcept(select, 0);
+
+  // disable first so option at index 1 is first eligible
+  options[0].disabled = true;
+  options[2].selected = true;
+  options[2].selected = false; // none selected
+  unselectedExcept(select, 1);
+
+  select.size = 2;
+  options[1].selected = false;
+  unselectedExcept(select, null); // size > 1 so should not default to any
+}, "change selectedness of option, non multiple.");
+
+
+function unselectedExcept(sel, opt) {
+  for (var i = 0; i < sel.children.length; ++i) {
+    if (i != opt) {
+      assert_false(sel.children[i].selected, "option should not be selected.");
+    }
+    if (opt != null) {
+      assert_true(sel.children[opt].selected, "option should be selected.");
+    }
+  }
+}
+
+function makeSelect(n) {
+  var sel = document.createElement("select");
+  for (var i = 0; i < n; ++i) {
+    opt = document.createElement("option");
+    sel.appendChild(opt);
+  }
+  return sel;
+}
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-multiple.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-multiple.html
new file mode 100644
index 00000000000..c186f1ca156
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-multiple.html
@@ -0,0 +1,48 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLSelectElement ask for reset</title>
+<link rel="author" title="Sebastian Mayr" href="wpt@smayr.name">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<select multiple id="initial-selected">
+  <option selected>Test 1</option>
+  <option selected>Test 2</option>
+</select>
+<select multiple id="scripted-select">
+  <option selected>Test 1</option>
+  <option>Test 2</option>
+</select>
+<div id=log></div>
+<script>
+"use strict";
+
+test(() => {
+
+  const select = document.getElementById("initial-selected");
+  assert_true(select.options[0].selected, "first option should be selected.");
+  assert_true(select.options[1].selected, "second option should be selected.");
+
+}, "multiple selected options exist, both set from markup");
+
+test(() => {
+
+  const select = document.getElementById("initial-selected");
+  select.options[1].selected = true;
+
+  assert_true(select.options[0].selected, "first option should be selected.");
+  assert_true(select.options[1].selected, "second option should be selected.");
+
+}, "multiple selected options exist, one set from script");
+
+// crbug.com/1245443
+test(() => {
+  let select = document.createElement("select");
+  select.length = 4;
+  let o1 = select.options.item(1);
+  select.multiple = true;
+  select.selectedIndex = 2;
+  o1.selected = true;
+  select.multiple = false;
+  assert_equals(select.selectedOptions.length, 1);
+}, "Removing multiple attribute reduces the number of selected OPTIONs to 1");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-named-getter.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-named-getter.html
new file mode 100644
index 00000000000..e60be359885
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-named-getter.html
@@ -0,0 +1,46 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Absence of a named getter on HTMLSelectElement</title>
+<script src=../../../../resources/testharness.js></script>
+<script src=../../../../resources/testharnessreport.js></script>
+<div id=log></div>
+<select id=select>
+  <option id=op1>A</option>
+  <option name=op2>B</option>
+  <option id=op3 name=op4>C</option>
+  <option id=>D</option>
+  <option name=>D</option>
+</select>
+<script>
+test(function() {
+  var select = document.getElementById("select");
+  assert_equals(select.op1, undefined);
+  assert_false("op1" in select);
+  assert_equals(select.namedItem("op1"), select.children[0]);
+}, "Option with id")
+
+test(function() {
+  var select = document.getElementById("select");
+  assert_equals(select.op2, undefined);
+  assert_false("op2" in select);
+  assert_equals(select.namedItem("op2"), select.children[1]);
+}, "Option with name")
+
+test(function() {
+  var select = document.getElementById("select");
+  assert_equals(select.op3, undefined);
+  assert_false("op3" in select);
+  assert_equals(select.namedItem("op3"), select.children[2]);
+
+  assert_equals(select.op4, undefined);
+  assert_false("op4" in select);
+  assert_equals(select.namedItem("op4"), select.children[2]);
+}, "Option with name and id")
+
+test(function() {
+  var select = document.getElementById("select");
+  assert_equals(select[""], undefined);
+  assert_false("" in select);
+  assert_equals(select.namedItem(""), null);
+}, "Empty string name");
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-remove.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-remove.html
new file mode 100644
index 00000000000..7d5cd51a47d
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-remove.html
@@ -0,0 +1,64 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLSelectElement.remove</title>
+<link rel="author" title="Ms2ger" href="Ms2ger@gmail.com">
+<link rel="help" href="https://dom.spec.whatwg.org/#dom-childnode-remove">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-select-remove">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-htmloptionscollection-remove">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+function testRemove(getter, desc) {
+  test(function() {
+    var div = document.createElement("div");
+    var select = document.createElement("select");
+    div.appendChild(select);
+    assert_equals(select.parentNode, div);
+
+    var options = [];
+    for (var i = 0; i < 3; ++i) {
+      var option = document.createElement("option");
+      option.textContent = String(i);
+      select.appendChild(option);
+      options.push(option);
+    }
+
+    getter(select).remove(-1);
+    assert_array_equals(select.options, options, "After remove(-1)");
+    assert_equals(select.parentNode, div);
+
+    getter(select).remove(3);
+    assert_array_equals(select.options, options, "After remove(3)");
+    assert_equals(select.parentNode, div);
+
+    getter(select).remove(0);
+    assert_array_equals(select.options, [options[1], options[2]], "After remove(0)");
+    assert_equals(select.parentNode, div);
+  }, desc)
+}
+testRemove(function(select) { return select; }, "select.remove(n) should work");
+testRemove(function(select) { return select.options; }, "select.options.remove(n) should work");
+test(function() {
+  var div = document.createElement("div");
+  var select = document.createElement("select");
+  div.appendChild(select);
+  assert_equals(select.parentNode, div);
+  assert_equals(div.firstChild, select);
+
+  select.remove();
+  assert_equals(select.parentNode, null);
+  assert_equals(div.firstChild, null);
+}, "remove() should work on select elements.")
+test(function() {
+  var div = document.createElement("div");
+  var select = document.createElement("select");
+  div.appendChild(select);
+  assert_equals(select.parentNode, div);
+  assert_equals(div.firstChild, select);
+
+  Element.prototype.remove.call(select);
+  assert_equals(select.parentNode, null);
+  assert_equals(div.firstChild, null);
+}, "Element#remove() should work on select elements.")
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.html
new file mode 100644
index 00000000000..c00c7232ef8
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-required-attribute.tentative.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en">
+<title>HTMLselectElement Test: required attribute</title>
+<link rel="author" title="Ionel Popescu" href="mailto:iopopesc@microsoft.com">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<style>
+  select:required {
+    border: 3px dashed rgb(255, 0, 0);
+  }
+
+  select:optional {
+    border: 1px solid rgb(128, 128, 128);
+  }
+
+  select, ::picker(select) {
+    appearance: base-select;
+  }
+</style>
+
+<select id="select0" required>
+  <option>one</option>
+  <option>two</option>
+  <option>three</option>
+</select>
+
+<select id="select1">
+  <option>one</option>
+  <option>two</option>
+  <option>three</option>
+</select>
+
+<select id="select2">
+  <option>one</option>
+  <option>two</option>
+  <option>three</option>
+</select>
+
+<script>
+function checkRequired(style) {
+  assert_equals(style.borderWidth, '3px');
+  assert_equals(style.borderStyle, 'dashed');
+  assert_equals(style.borderColor, 'rgb(255, 0, 0)');
+}
+
+function checkOptional(style) {
+  assert_equals(style.borderWidth, '1px');
+  assert_equals(style.borderStyle, 'solid');
+  assert_equals(style.borderColor, 'rgb(128, 128, 128)');
+}
+
+test(() => {
+  const select0 = document.getElementById("select0");
+  const select1 = document.getElementById("select1");
+  const select2 = document.getElementById("select2");
+
+  checkRequired(window.getComputedStyle(select0));
+  checkOptional(window.getComputedStyle(select1));
+  checkOptional(window.getComputedStyle(select2));
+  select2.required = true;
+  checkRequired(window.getComputedStyle(select2));
+}, "Test required attribute");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.html
new file mode 100644
index 00000000000..7dd6e7943be
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-selectedOptions.html
@@ -0,0 +1,143 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>HTMLSelectElement.selectedOptions</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#dom-select-selectedoptions">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+</head>
+<body>
+<div id="log"></div>
+
+<select id="select-none-selected">
+  <option>One</option>
+  <option>Two</option>
+  <option>Three</option>
+</select>
+
+<select id="select-one-selected">
+  <option>One</option>
+  <option selected>Two</option>
+  <option>Three</option>
+</select>
+
+<select multiple id="multiple-select-none-selected">
+  <option>One</option>
+  <option>Two</option>
+  <option>Three</option>
+</select>
+
+<select multiple id="multiple-select-two-selected">
+  <option>One</option>
+  <option selected>Two</option>
+  <option selected>Three</option>
+</select>
+
+<select id="select-named-selected">
+  <option>One</option>
+  <option>Two</option>
+  <option id="named-option" selected>Three</option>
+</select>
+
+<select id="invalid-select">
+  <option selected>One</option>
+  <option selected>Two</option>
+  <option>Three</option>
+</select>
+
+<select id="select-same-object">
+  <option>One</option>
+  <option selected>Two</option>
+  <option>Three</option>
+</select>
+
+<select multiple id="select-same-object-change">
+  <option selected>One</option>
+  <option selected>Two</option>
+  <option selected>Three</option>
+</select>
+
+<script>
+"use strict";
+
+test(() => {
+  const select = document.getElementById("select-none-selected");
+
+  assert_array_equals(select.selectedOptions, [select.children[0]]);
+  assert_equals(select.selectedOptions.length, 1);
+
+}, ".selectedOptions with no selected option");
+
+test(() => {
+  const select = document.getElementById("select-one-selected");
+
+  assert_array_equals(select.selectedOptions, [select.children[1]]);
+  assert_equals(select.selectedOptions.length, 1);
+}, ".selectedOptions with one selected option");
+
+test(() => {
+  const select = document.getElementById("multiple-select-none-selected");
+
+  assert_equals(select.selectedOptions.item(0), null);
+  assert_equals(select.selectedOptions.length, 0);
+}, ".selectedOptions using the 'multiple' attribute with no selected options");
+
+test(() => {
+  const select = document.getElementById("multiple-select-two-selected");
+
+  assert_equals(select.selectedOptions.item(0), select.children[1]);
+  assert_equals(select.selectedOptions.item(1), select.children[2]);
+  assert_equals(select.selectedOptions.length, 2);
+}, ".selectedOptions using the 'multiple' attribute with two selected options");
+
+// "A select element whose multiple attribute is not specified must not have
+// more than one descendant option element with its selected attribute set."
+// - https://html.spec.whatwg.org/multipage/forms.html#the-option-element:the-select-element-6
+
+// "If two or more option elements in the select element's list of options
+//  have their selectedness set to true, set the selectedness of all but
+// the last option element with its selectedness set to true in the list of
+// options in tree order to false."
+// - https://html.spec.whatwg.org/multipage/forms.html#the-select-element:the-option-element-21
+test(() => {
+  const select = document.getElementById("invalid-select");
+
+  assert_array_equals(select.selectedOptions, [select.children[1]]);
+  assert_equals(select.selectedOptions.length, 1);
+
+}, ".selectedOptions without the 'multiple' attribute but " +
+   "more than one selected option should return the last one");
+
+test(() => {
+  const select = document.getElementById("select-named-selected");
+
+  assert_equals(select.selectedOptions.constructor, HTMLCollection);
+  assert_equals(select.selectedOptions.namedItem("named-option"), select.children[2]);
+}, ".selectedOptions should return `HTMLCollection` instance");
+
+test(() => {
+  const select = document.getElementById("select-same-object");
+  const selectAgain = document.getElementById("select-same-object");
+
+  assert_equals(select.selectedOptions, selectAgain.selectedOptions);
+
+}, ".selectedOptions should always return the same value - [SameObject]");
+
+test(() => {
+  const select = document.getElementById("select-same-object-change");
+  const before = select.selectedOptions;
+  assert_equals(before.length, 3);
+
+  select.selectedOptions[1].selected = false;
+
+  const after = select.selectedOptions;
+
+  assert_equals(before, after);
+  assert_equals(before.length, 2);
+  assert_equals(after.length, 2);
+
+}, ".selectedOptions should return the same object after selection changes - [SameObject]");
+</script>
+</body>
+</html>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.html
new file mode 100644
index 00000000000..6ffa6ddf60f
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-setcustomvalidity.html
@@ -0,0 +1,17 @@
+<!DOCTYPE HTML>
+<title>select setCustomValidity</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select id='select_test'></select>
+
+<script>
+
+test(() => {
+  let elem = document.getElementById("select_test");
+  assert_false(elem.validity.customError);
+  elem.setCustomValidity("custom error");
+  assert_true(elem.validity.customError);
+}, "select setCustomValidity is correct")
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.html
new file mode 100644
index 00000000000..699614d1f40
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.html
@@ -0,0 +1,124 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLSelectElement.checkValidity</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#the-select-element:attr-select-required-4">
+<script src=../../../../resources/testharness.js></script>
+<script src=../../../../resources/testharnessreport.js></script>
+<div id=log></div>
+<script>
+
+test(function() {
+  var select = document.createElement('select');
+  assert_true(select.willValidate, "A select element is a submittable element that is a candidate for constraint validation.");
+  var placeholder = document.createElement('option');
+  select.appendChild(placeholder);
+  assert_true(select.checkValidity(), "Always valid when the select isn't a required value.");
+  select.required = true;
+  assert_true(placeholder.selected, "If display size is 1, multiple is absent and no options have selectedness true, the first option is selected.");
+  assert_equals(select.value, "", "The placeholder's value should be the select's value right now");
+  assert_false(select.checkValidity(), "A selected placeholder option should invalidate the select.");
+  var emptyOption = document.createElement('option');
+  select.appendChild(emptyOption);
+  emptyOption.selected = true;
+  assert_equals(select.value, "", "The empty value should be set.");
+  assert_true(select.checkValidity(), "An empty non-placeholder option should be a valid choice.");
+  var filledOption = document.createElement('option');
+  filledOption.value = "test";
+  select.appendChild(filledOption);
+  filledOption.selected = true;
+  assert_equals(select.value, "test", "The non-empty value should be set.");
+  assert_true(select.checkValidity(), "A non-empty non-placeholder option should be a valid choice.");
+  select.removeChild(placeholder);
+  select.appendChild(emptyOption); // move emptyOption to second place
+  emptyOption.selected = true;
+  assert_equals(select.value, "", "The empty value should be set.");
+  assert_true(select.checkValidity(), "Only the first option can be seen as a placeholder.");
+  placeholder.disabled = true;
+  select.insertBefore(placeholder, filledOption);
+  placeholder.selected = true;
+  assert_equals(select.value, "", "A disabled first placeholder option should result in an empty value.");
+  assert_false(select.checkValidity(), "A disabled first placeholder option should invalidate the select.");
+}, "Placeholder label options within a select");
+
+test(function() {
+  var select = document.createElement('select');
+  select.required = true;
+  var optgroup = document.createElement('optgroup');
+  var emptyOption = document.createElement('option');
+  optgroup.appendChild(emptyOption);
+  select.appendChild(optgroup);
+  emptyOption.selected = true;
+  assert_equals(select.value, "", "The empty value should be set.");
+  assert_true(select.checkValidity(), "The first option is not considered a placeholder if it is located within an optgroup.");
+  var otherEmptyOption = document.createElement('option');
+  otherEmptyOption.value = "";
+  select.appendChild(otherEmptyOption);
+  otherEmptyOption.selected = true;
+  assert_equals(select.value, "", "The empty value should be set.");
+  assert_true(select.checkValidity(), "The empty option should be accepted as it is not the first option in the tree ordered list.");
+}, "Placeholder label-like options within optgroup");
+
+test(function() {
+  var select = document.createElement('select');
+  select.required = true;
+  select.size = 2;
+  var emptyOption = document.createElement('option');
+  select.appendChild(emptyOption);
+  assert_false(emptyOption.selected, "Display size is not 1, so the first option should not be selected.");
+  assert_false(select.checkValidity(), "If no options are selected the select must be seen as invalid.");
+  emptyOption.selected = true;
+  assert_true(select.checkValidity(), "If one option is selected, the select should be considered valid.");
+  var otherEmptyOption = document.createElement('option');
+  otherEmptyOption.value = "";
+  select.appendChild(otherEmptyOption);
+  otherEmptyOption.selected = true;
+  assert_false(emptyOption.selected, "Whenever an option has its selectiveness set to true, the other options must be set to false.");
+  otherEmptyOption.selected = false;
+  assert_false(otherEmptyOption.selected, "It should be possible to set the selectiveness to false with a display size more than one.");
+  assert_false(select.checkValidity(), "If no options are selected the select must be seen as invalid.");
+}, "Validation on selects with display size set as more than one");
+
+test(function() {
+  var select = document.createElement('select');
+  select.required = true;
+  select.multiple = true;
+  var emptyOption = document.createElement('option');
+  select.appendChild(emptyOption);
+  assert_false(select.checkValidity(), "If no options are selected the select must be seen as invalid.");
+  emptyOption.selected = true;
+  assert_true(select.checkValidity(), "If one option is selected, the select should be considered valid.");
+  var optgroup = document.createElement('optgroup');
+  optgroup.appendChild(emptyOption); // Move option to optgroup
+  select.appendChild(optgroup);
+  assert_true(select.checkValidity(), "If one option within an optgroup or not is selected, the select should be considered valid.");
+}, "Validation on selects with multiple set");
+
+test(function() {
+  var select = document.createElement('select');
+  select.required = true;
+  var option = document.createElement('option');
+  option.value = 'test';
+  option.disabled = true;
+  option.selected = true;
+  select.appendChild(option);
+  assert_true(select.checkValidity(), "When a required select has an option that is selected and disabled, the select should be considered valid.");
+}, "Validation on selects with non-empty disabled option");
+
+test(function() {
+  var select = document.createElement('select');
+  select.required = true;
+  var placeholder = document.createElement('option');
+  select.appendChild(placeholder);
+  var nonPlaceholder = document.createElement('option');
+  nonPlaceholder.textContent = "non-placeholder-option";
+  select.appendChild(nonPlaceholder);
+
+  assert_false(select.checkValidity(), "If the placeholder label option is selected, required select element shouldn't be valid.");
+  placeholder.remove();
+  assert_true(select.checkValidity(), "If the placeholder label option is removed, required select element should become valid.");
+  select.prepend(placeholder);
+  assert_false(select.checkValidity(), "If the placeholder label option is selected, required select element shouldn't be valid.");
+
+}, "Remove and add back the placeholder label option");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.html
new file mode 100644
index 00000000000..5e53bf5516c
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-validity.tentative.html
@@ -0,0 +1,94 @@
+<!DOCTYPE html>
+<html lang="en">
+<title>HTMLselectElement Test: validity</title>
+<link rel="author" title="Ionel Popescu" href="mailto:iopopesc@microsoft.com">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select id="select1" required>
+  <option>one</option>
+  <option>two</option>
+  <option>three</option>
+  <option>four</option>
+</select>
+
+<form>
+  <select id="select2" required>
+  </select>
+</form>
+
+<style>
+  select, ::picker(select) {
+    appearance: base-select;
+  }
+</style>
+
+<script>
+
+test(() => {
+  let select = document.createElement('select');
+  assert_true(select.willValidate, "A select element is a submittable element that is a candidate for constraint validation.");
+  let option = document.createElement('option');
+  select.appendChild(option);
+  assert_true(select.checkValidity(), "Always valid when the select isn't a required value.");
+
+  select.required = true;
+  assert_equals(select.value, "");
+  assert_false(select.checkValidity(), "A selected placeholder option should invalidate the select.");
+
+  let emptyOption = document.createElement('option');
+  select.appendChild(emptyOption);
+  assert_false(select.checkValidity(), "A selected placeholder option should invalidate the select even if there are multiple options.");
+  emptyOption.selected = true;
+  assert_true(select.checkValidity(), "An empty non-placeholder option should be a valid choice.");
+
+  let filledOption = document.createElement('option');
+  filledOption.value = "test";
+  select.appendChild(filledOption);
+  filledOption.selected = true;
+  assert_equals(select.value, "test", "The non-empty value should be set.");
+  assert_true(select.checkValidity(), "A non-empty non-placeholder option should be a valid choice.");
+
+  select.removeChild(option);
+  select.appendChild(emptyOption);
+  emptyOption.selected = true;
+  assert_equals(select.value, "", "The empty value should be set.");
+  assert_true(select.checkValidity(), "Only the first option can be seen as a placeholder.");
+
+  select.removeChild(filledOption);
+  assert_false(select.checkValidity(), "A selected placeholder option should invalidate the select.");
+
+  emptyOption.value = "test2";
+  assert_equals(select.value, "test2");
+  assert_true(select.checkValidity(), "A non-empty option value should be a valid choice.");
+
+  emptyOption.removeAttribute("value");
+  assert_equals(select.value, "");
+  assert_false(select.checkValidity());
+  emptyOption.innerText = "test";
+  assert_equals(select.value, "test");
+  assert_true(select.checkValidity(), "A non-empty option should be a valid choice.");
+
+  const select1 = document.getElementById('select1');
+  assert_equals(select1.value, "one");
+  assert_true(select1.checkValidity(), "A select with non-empty placeholder option should be valid.");
+}, "Validation for placeholder option");
+
+test(() => {
+  const select2 = document.getElementById('select2');
+  assert_equals(select2.value, "");
+  assert_false(select2.checkValidity());
+  let form = document.querySelector('form');
+  let invalidControl = form.querySelector('select:invalid');
+  assert_equals(select2, invalidControl);
+  let didDispatchInvalid = false;
+  invalidControl.addEventListener('invalid', e => { didDispatchInvalid = true; });
+  let didDispatchSubmit = false;
+  form.addEventListener('submit', event => { event.preventDefault(); didDispatchSubmit = true; });
+
+  form.requestSubmit();
+  assert_true(didDispatchInvalid);
+  assert_false(didDispatchSubmit);
+}, "Check form not submitted for invalid select");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.html
new file mode 100644
index 00000000000..b29b1b85bc6
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-option.tentative.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://github.com/openui/open-ui/issues/664">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select id=select>
+  <option id=optone>innertext one</option>
+  <option id=opttwo value=valueattribute>innertext two</option>
+</select>
+
+<style>
+  select, ::picker(select) {
+    appearance: base-select;
+  }
+</style>
+
+<script>
+test(() => {
+  assert_equals(select.value, 'innertext one',
+    'The first option should be selected initially.');
+  select.value = 'valueattribute';
+  assert_equals(select.value, 'valueattribute',
+    'Assigning value should look at the options value, not innertext');
+}, 'select.value should reflect option.value');
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.html
new file mode 100644
index 00000000000..4215f71b090
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value-selectedOption.tentative.html
@@ -0,0 +1,230 @@
+<!DOCTYPE html>
+<title>HTMLselectElement Test: value and selectedOption</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select id="select0"></select>
+
+<select id="select1">
+  <option>one</option>
+  <option>two</option>
+  <div>I'm a div with no part attr</div>
+  <option id="select1-option3">three</option>
+  <option>four</option>
+</select>
+
+<select id="select2">
+  <div behavior="option">one</div>
+  <div behavior="option">two</div>
+  <div>I'm a div with no part attr</div>
+  <div behavior="option">three</div>
+  <div behavior="option">four</div>
+</select>
+
+<select id="select3">
+  <div>I'm a div with no part attr</div>
+  <option id="select3-child1">one</option>
+  <option id="select3-child2">two</option>
+  <option id="select3-child3">three</option>
+</select>
+
+<select id="select4">
+  <button>
+    <selectedoption id="select4-custom-selected-value">Default custom selected-value text</selectedoption>
+  </button>
+  <option id="select4-option1">one</option>
+  <option id="select4-option2">two</option>
+</select>
+
+<select id="select5">
+  <button>
+    <selectedoption id="select5-custom-selected-value">Default custom selected-value text</selectedoption>
+  </button>
+  <div>
+    <option id="select5-option1">one</option>
+    <option id="select5-option2">two</option>
+  </div>
+</select>
+
+<select id="select6">
+  <option id="select6-option1">one</option>
+  <option id="select6-option2" selected>two</option>
+  <option id="select6-option3">three</option>
+</select>
+
+<select id="select7">
+  <option id="select7-option1">one</option>
+  <option id="select7-option2" selected value="test">two</option>
+  <option>three</option>
+</select>
+
+<style>
+  select, ::picker(select) {
+    appearance: base-select;
+  }
+</style>
+
+<script>
+
+test(() => {
+  const select0 = document.getElementById("select0");
+  assert_equals(select0.value, "");
+  assert_equals(select0.selectedOption, null);
+  select0.value = "something";
+  assert_equals(select0.value, "", "If there is no matching option, select should be cleared");
+  assert_equals(select0.selectedOption, null);
+}, "Test that HTMLselect with no options has empty string for value and null for selectedOption");
+
+test(() => {
+  const select1 = document.getElementById("select1");
+  assert_equals(select1.value, "one", "value should start with the text of the first option part");
+
+  select1.value = "three";
+  assert_equals(select1.value, "three", "value can be set to the text of an option part");
+  assert_equals(select1.selectedOption, document.getElementById("select1-option3"));
+
+  select1.value = "I'm a div with no part attr";
+  assert_equals(select1.value, "", "If there is no matching option select should be cleared");
+  assert_equals(select1.selectedOption, null);
+}, "Test value and selectedOption with HTMLOptionElement element option parts");
+
+test(() => {
+  const select1 = document.getElementById("select1");
+  select1.value = "one";
+  assert_equals(select1.value, "one");
+
+  select1.value = null;
+  assert_equals(select1.value, "");
+  assert_equals(select1.selectedOption, null);
+}, "Test value and selectedOption when value is null");
+
+test(() => {
+  const select1 = document.getElementById("select1");
+  select1.value = "one";
+  assert_equals(select1.value, "one");
+
+  select1.value = undefined;
+  assert_equals(select1.value, "");
+  assert_equals(select1.selectedOption, null);
+}, "Test value and selectedOption when value is undefined");
+
+test(() => {
+  const select2 = document.getElementById("select2");
+  assert_equals(select2.value, "", "Non-HTMLOptionElements shouldn't be treated as option parts");
+  assert_equals(select2.selectedOption, null);
+
+  select2.value = "three";
+  assert_equals(select2.value, "", "value can't be set when there are no option parts'");
+  assert_equals(select2.selectedOption, null);
+}, "Test value with non-HTMLOptionElement elements labeled as parts");
+
+test(() => {
+  const select3 = document.getElementById("select3");
+  assert_equals(select3.value, "one", "value should start with the text of the first option part");
+  assert_equals(select3.selectedOption, document.getElementById("select3-child1"));
+
+  document.getElementById("select3-child3").remove();
+  assert_equals(select3.value, "one", "Removing a non-selected option should not change the value");
+  assert_equals(select3.selectedOption, document.getElementById("select3-child1"));
+
+  document.getElementById("select3-child1").remove();
+  assert_equals(select3.value, "two", "When the selected option is removed, the new first option should become selected");
+  assert_equals(select3.selectedOption, document.getElementById("select3-child2"));
+
+  document.getElementById("select3-child2").remove();
+  assert_equals(select3.value, "", "When all options are removed, value should be the empty string");
+  assert_equals(select3.selectedOption, null);
+}, "Test that value and selectedOption are updated when options are removed");
+
+test(() => {
+  const select4 = document.getElementById("select4");
+  let customSelectedValuePart = document.getElementById("select4-custom-selected-value");
+  assert_equals(select4.value, "one", "value should start with the text of the first option part");
+  assert_equals(select4.selectedOption, document.getElementById("select4-option1"));
+  assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of select");
+
+  select4.value = "two";
+  assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of select changes");
+  assert_equals(select4.selectedOption, document.getElementById("select4-option2"));
+}, "Test that slotted-in selected-value part is updated to value of select");
+
+test(() => {
+  const select5 = document.getElementById("select5");
+  let customSelectedValuePart = document.getElementById("select5-custom-selected-value");
+  assert_equals(select5.value, "one", "value should start with the text of the first option part");
+  assert_equals(select5.selectedOption, document.getElementById("select5-option1"));
+  assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of select");
+
+  select5.value = "two";
+  assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of select changes");
+  assert_equals(select5.selectedOption, document.getElementById("select5-option2"));
+}, "Test that option parts in a slotted-in listbox are reflected in the value property");
+
+test(() => {
+  let select = document.createElement('select');
+  assert_equals(select.value, "");
+  let option = document.createElement('option');
+  option.innerText = "one";
+  select.appendChild(option);
+  assert_equals(select.value, "one");
+  assert_equals(select.selectedOption, option);
+
+  let newOption = document.createElement('option');
+  newOption.innerText = 'two';
+  select.appendChild(newOption);
+  select.value = "two";
+  assert_equals(select.value, "two");
+  assert_equals(select.selectedOption, newOption);
+
+  option.click();
+  assert_equals(select.value, "one");
+  assert_equals(select.selectedOption, option);
+}, "Test that value and selectedOption are correctly updated");
+
+test(() => {
+  const select = document.getElementById("select6");
+  let selectOption1 = document.getElementById("select6-option1");
+
+  assert_equals(select.value, "two");
+  assert_equals(select.selectedOption, document.getElementById("select6-option2"));
+  assert_false(selectOption1.selected);
+  selectOption1.selected = true;
+  assert_equals(select.value, "one");
+  assert_equals(select.selectedOption, selectOption1);
+
+  let newOption = document.createElement("option");
+  newOption.innerText = "four";
+  newOption.selected = true;
+  select.appendChild(newOption);
+  assert_equals(select.value, "four");
+  assert_equals(select.selectedOption, newOption);
+  assert_false(selectOption1.selected);
+
+  select.value = "three";
+  assert_equals(select.selectedOption, document.getElementById("select6-option3"));
+  assert_false(newOption.selected);
+}, "Test that HTMLOption.selected updates select.value and select.selectedOption");
+
+test(() => {
+  const select = document.getElementById("select7");
+  let selectOption1 = document.getElementById("select7-option1");
+
+  assert_equals(select.value, "test");
+  assert_equals(select.selectedOption, document.getElementById("select7-option2"));
+  assert_false(selectOption1.selected);
+  selectOption1.selected = true;
+  assert_equals(select.value, "one");
+  assert_equals(select.selectedOption, selectOption1);
+
+  selectOption1.value = "new test";
+  assert_equals(select.value, "new test");
+  assert_equals(select.selectedOption, selectOption1);
+  selectOption1.removeAttribute("value");
+  assert_equals(select.value, "one");
+  assert_equals(select.selectedOption, selectOption1);
+  selectOption1.value = "";
+  assert_equals(select.value, "");
+  assert_equals(select.selectedOption, selectOption1);
+}, "Test that HTMLOption.value updates select.value");
+
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value.html
new file mode 100644
index 00000000000..3fca6b81bae
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-value.html
@@ -0,0 +1,56 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>HTMLSelectElement.value</title>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#dom-select-value">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+
+<select id=sel1>
+  <option value=0></option>
+  <option selected value=1></option>
+</select>
+
+<select id=sel2>
+  <optgroup>
+    <option value=0></option>
+  </optgroup>
+  <optgroup></optgroup>
+  <optgroup>
+    <option></option>
+    <option value=1></option>
+    <option selected value=2></option>
+  </optgroup>
+</select>
+
+<select id=sel3>
+  <option selected value=1></option>
+</select>
+
+<select id=sel4></select>
+
+<script>
+test(function() {
+  var select = document.getElementById('sel1');
+  assert_equals(select.value, '1');
+}, 'options');
+
+test(function() {
+  var select = document.getElementById('sel2');
+  assert_equals(select.value, '2');
+}, 'optgroups');
+
+test(function() {
+  var select = document.getElementById('sel3');
+  var option = select.options[0];
+  var div = document.createElement('div');
+  select.appendChild(div);
+  div.appendChild(option);
+  assert_equals(select.value, '');
+}, 'option is child of div');
+
+test(function() {
+  var select = document.getElementById('sel4');
+  assert_equals(select.value, '');
+}, 'no options');
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.html
new file mode 100644
index 00000000000..5d383337fe2
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/select-willvalidate-readonly-attribute.html
@@ -0,0 +1,24 @@
+<!DOCTYPE HTML>
+<meta charset="utf-8">
+<title>Select element with "readonly" attribute shouldn't be barred from constraint validation</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+
+<select id="singleSelect" readonly>
+  <option>1
+  <option>2
+</select>
+
+<select id="multiSelect" readonly multiple>
+  <option>a
+  <option>b
+  <option>c
+  <option>d
+</select>
+
+<script>
+  test(() => {
+    assert_true(singleSelect.willValidate);
+    assert_true(multiSelect.willValidate);
+  });
+</script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/selected-index.html b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/selected-index.html
new file mode 100644
index 00000000000..3b3374cd1e8
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/semantics/forms/the-select-element/selected-index.html
@@ -0,0 +1,143 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>HTMLSelectElement selectedIndex</title>
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+
+<form id=form>
+  <select id=empty></select>
+
+  <select id=default>
+    <option></option>
+    <option></option>
+    <option></option>
+    <option></option>
+    <option></option>
+  </select>
+
+  <select id=disabled>
+    <option disabled></option>
+    <option></option>
+  </select>
+
+  <select id=selected>
+    <option></option>
+    <option selected></option>
+  </select>
+
+  <select id=display-none>
+    <option style="display:none"></option>
+    <option></option>
+  </select>
+
+  <select id=minus-one>
+    <option value=1>1</option>
+    <option value=2>2</option>
+  </select>
+</form>
+
+<script>
+function assertSelectedIndex(select, value) {
+  assert_equals(select.selectedIndex, value);
+  assert_equals(select.options.selectedIndex, value);
+}
+
+function assertSelectValue(select, value) {
+  assert_equals(select.value, value);
+}
+
+test(function () {
+  var select = document.getElementById('empty');
+  assertSelectedIndex(select, -1);
+}, "get empty");
+
+test(function () {
+  var select = document.getElementById('default');
+  assertSelectedIndex(select, 0);
+}, "get default");
+
+test(function () {
+  var select = document.getElementById('disabled');
+  assertSelectedIndex(select, 1);
+}, "get disabled");
+
+test(function () {
+  var select = document.getElementById('selected');
+  assertSelectedIndex(select, 1);
+}, "get unselected");
+
+test(function () {
+  var select = document.getElementById('empty');
+  select.selectedIndex = 1;
+  assertSelectedIndex(select, -1);
+}, "set empty (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('empty');
+  select.options.selectedIndex = 1;
+  assertSelectedIndex(select, -1);
+}, "set empty (HTMLOptionsCollection)");
+
+test(function () {
+  var select = document.getElementById('default');
+  assertSelectedIndex(select, 0);
+  select.selectedIndex = 2;
+  assertSelectedIndex(select, 2);
+  this.add_cleanup(() => { select.selectedIndex = 0; });
+}, "set (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('default');
+  assertSelectedIndex(select, 0);
+  select.options.selectedIndex = 2;
+  assertSelectedIndex(select, 2);
+  this.add_cleanup(() => { select.selectedIndex = 0; });
+}, "set (HTMLOptionsCollection)");
+
+test(function () {
+  var select = document.getElementById('selected');
+  var form = document.getElementById('form');
+  assertSelectedIndex(select, 1);
+  select.selectedIndex = 0;
+  assertSelectedIndex(select, 0);
+  form.reset();
+  assertSelectedIndex(select, 1);
+}, "set and reset (HTMLSelectElement)");
+
+test(function () {
+  var select = document.getElementById('selected');
+  var form = document.getElementById('form');
+  assertSelectedIndex(select, 1);
+  select.options.selectedIndex = 0;
+  assertSelectedIndex(select, 0);
+  form.reset();
+  assertSelectedIndex(select, 1);
+}, "set and reset (HTMLOptionsCollection)");
+
+test(function () {
+  var select = document.getElementById('display-none');
+  assertSelectedIndex(select, 0);
+}, "get display:none");
+
+test(function () {
+  var select = document.getElementById('display-none');
+  select.offsetTop; // force rendering
+  assertSelectedIndex(select, 0);
+  select.options[1].selected = true;
+  assertSelectedIndex(select, 1);
+  select.options[1].selected = false;
+  assertSelectedIndex(select, 0);
+}, "reset to display:none");
+
+test(function() {
+  var select = document.getElementById("minus-one");
+  assertSelectedIndex(select, 0);
+
+  select.selectedIndex = -1;
+
+  assertSelectedIndex(select, -1);
+  assertSelectValue(select, "");
+
+}, "set selectedIndex=-1");
+</script>