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LibWeb: Fix incorrect exception on replaceChild() with doctypes
We were checking for presence of the wrong child in the parent.
This commit is contained in:
Andreas Kling
Andreas Kling
parent
cd446e5e9c
commit
4203b7823f
Notes:
github-actions[bot]
2024-11-20 15:11:50 +00:00
Author: https://github.com/awesomekling Commit: https://github.com/LadybirdBrowser/ladybird/commit/4203b7823f2 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2458
4 changed files with 497 additions and 1 deletions
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@ -945,7 +945,7 @@ WebIDL::ExceptionOr<GC::Ref<Node>> Node::replace_child(GC::Ref<Node> node, GC::R
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} else if (is<DocumentType>(*node)) {
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// DocumentType
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// parent has a doctype child that is not child, or an element is preceding child.
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if (first_child_of_type<DocumentType>() != node || child->has_preceding_node_of_type_in_tree_order<Element>())
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if (first_child_of_type<DocumentType>() != child || child->has_preceding_node_of_type_in_tree_order<Element>())
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return WebIDL::HierarchyRequestError::create(realm(), "Invalid node type for insertion"_string);
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}
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}
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@ -0,0 +1,39 @@
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Summary
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Harness status: OK
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Rerun
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Found 29 tests
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29 Pass
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Details
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Result Test Name MessagePass Should check the 'parent' type before checking whether 'child' is a child of 'parent'
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Pass Should check that 'node' is not an ancestor of 'parent' before checking whether 'child' is a child of 'parent'
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Pass Should check whether 'child' is a child of 'parent' before checking whether 'node' is of a type that can have a parent.
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Pass Should check whether 'child' is a child of 'parent' before checking whether 'node' is of a type that can have a parent of the type that 'parent' is.
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Pass Should check whether 'child' is a child of 'parent' before checking whether 'node' can be inserted into the document given the kids the document has right now.
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Pass Passing null to replaceChild should throw a TypeError.
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Pass If child's parent is not the context node, a NotFoundError exception should be thrown
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Pass If the context node is not a node that can contain children, a HierarchyRequestError exception should be thrown
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Pass If node is an inclusive ancestor of the context node, a HierarchyRequestError should be thrown.
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Pass If the context node is a document, inserting a document or text node should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting a DocumentFragment that contains a text node or too many elements should throw a HierarchyRequestError.
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Pass If the context node is a document (without element children), inserting a DocumentFragment that contains multiple elements should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting a DocumentFragment with an element if there already is an element child should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting a DocumentFragment with an element before the doctype should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting an element if there already is an element child should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting an element before the doctype should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting a doctype if there already is a doctype child should throw a HierarchyRequestError.
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Pass If the context node is a document, inserting a doctype after the document element should throw a HierarchyRequestError.
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Pass If the context node is a DocumentFragment, inserting a document or a doctype should throw a HierarchyRequestError.
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Pass If the context node is an element, inserting a document or a doctype should throw a HierarchyRequestError.
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Pass Replacing a node with its next sibling should work (2 children)
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Pass Replacing a node with its next sibling should work (4 children)
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Pass Replacing a node with itself should not move the node
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Pass If the context node is a document, inserting a new doctype should work.
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Pass Replacing the document element with a DocumentFragment containing a single element should work.
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Pass Replacing the document element with a DocumentFragment containing a single element and comments should work.
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Pass Replacing the document element with a single element should work.
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Pass replaceChild should work in the presence of mutation events.
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Pass Replacing an element with a DocumentFragment should allow a child of the DocumentFragment to be found by Id.
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@ -0,0 +1,349 @@
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<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Node.replaceChild</title>
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<body><a><b></b><c></c></a>
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<div id="log"></div>
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<!-- First test shared pre-insertion checks that work similarly for replaceChild
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and insertBefore -->
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<script>
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var insertFunc = Node.prototype.replaceChild;
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</script>
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<script src="pre-insertion-validation-notfound.js"></script>
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<script>
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// IDL.
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test(function() {
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var a = document.createElement("div");
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assert_throws_js(TypeError, function() {
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a.replaceChild(null, null);
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});
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var b = document.createElement("div");
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assert_throws_js(TypeError, function() {
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a.replaceChild(b, null);
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});
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assert_throws_js(TypeError, function() {
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a.replaceChild(null, b);
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});
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}, "Passing null to replaceChild should throw a TypeError.")
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// Step 3.
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test(function() {
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var a = document.createElement("div");
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var b = document.createElement("div");
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var c = document.createElement("div");
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assert_throws_dom("NotFoundError", function() {
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a.replaceChild(b, c);
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});
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var d = document.createElement("div");
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d.appendChild(b);
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assert_throws_dom("NotFoundError", function() {
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a.replaceChild(b, c);
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});
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assert_throws_dom("NotFoundError", function() {
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a.replaceChild(b, a);
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});
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}, "If child's parent is not the context node, a NotFoundError exception should be thrown");
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// Step 1.
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test(function() {
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var nodes = getNonParentNodes();
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var a = document.createElement("div");
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var b = document.createElement("div");
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nodes.forEach(function(node) {
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assert_throws_dom("HierarchyRequestError", function() {
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node.replaceChild(a, b);
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});
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});
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}, "If the context node is not a node that can contain children, a HierarchyRequestError exception should be thrown")
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// Step 2.
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test(function() {
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var a = document.createElement("div");
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var b = document.createElement("div");
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assert_throws_dom("HierarchyRequestError", function() {
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a.replaceChild(a, a);
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});
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a.appendChild(b);
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assert_throws_dom("HierarchyRequestError", function() {
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a.replaceChild(a, b);
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});
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var c = document.createElement("div");
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c.appendChild(a);
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assert_throws_dom("HierarchyRequestError", function() {
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a.replaceChild(c, b);
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});
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}, "If node is an inclusive ancestor of the context node, a HierarchyRequestError should be thrown.")
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// Steps 4/5.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var doc2 = document.implementation.createHTMLDocument("title2");
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(doc2, doc.documentElement);
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});
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(doc.createTextNode("text"), doc.documentElement);
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});
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}, "If the context node is a document, inserting a document or text node should throw a HierarchyRequestError.")
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// Step 6.1.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var df = doc.createDocumentFragment();
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df.appendChild(doc.createElement("a"));
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df.appendChild(doc.createElement("b"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, doc.documentElement);
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});
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df = doc.createDocumentFragment();
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df.appendChild(doc.createTextNode("text"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, doc.documentElement);
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});
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df = doc.createDocumentFragment();
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df.appendChild(doc.createComment("comment"));
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df.appendChild(doc.createTextNode("text"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, doc.documentElement);
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});
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}, "If the context node is a document, inserting a DocumentFragment that contains a text node or too many elements should throw a HierarchyRequestError.")
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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doc.removeChild(doc.documentElement);
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var df = doc.createDocumentFragment();
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df.appendChild(doc.createElement("a"));
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df.appendChild(doc.createElement("b"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, doc.doctype);
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});
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}, "If the context node is a document (without element children), inserting a DocumentFragment that contains multiple elements should throw a HierarchyRequestError.")
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// Step 6.1.
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test(function() {
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// The context node has an element child that is not /child/.
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.appendChild(doc.createComment("foo"));
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assert_array_equals(doc.childNodes, [doc.doctype, doc.documentElement, comment]);
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var df = doc.createDocumentFragment();
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df.appendChild(doc.createElement("a"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, comment);
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});
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, doc.doctype);
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});
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}, "If the context node is a document, inserting a DocumentFragment with an element if there already is an element child should throw a HierarchyRequestError.")
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test(function() {
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// A doctype is following /child/.
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.insertBefore(doc.createComment("foo"), doc.firstChild);
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doc.removeChild(doc.documentElement);
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assert_array_equals(doc.childNodes, [comment, doc.doctype]);
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var df = doc.createDocumentFragment();
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df.appendChild(doc.createElement("a"));
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(df, comment);
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});
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}, "If the context node is a document, inserting a DocumentFragment with an element before the doctype should throw a HierarchyRequestError.")
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// Step 6.2.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.appendChild(doc.createComment("foo"));
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assert_array_equals(doc.childNodes, [doc.doctype, doc.documentElement, comment]);
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var a = doc.createElement("a");
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(a, comment);
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});
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(a, doc.doctype);
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});
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}, "If the context node is a document, inserting an element if there already is an element child should throw a HierarchyRequestError.")
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.insertBefore(doc.createComment("foo"), doc.firstChild);
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doc.removeChild(doc.documentElement);
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assert_array_equals(doc.childNodes, [comment, doc.doctype]);
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var a = doc.createElement("a");
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(a, comment);
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});
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}, "If the context node is a document, inserting an element before the doctype should throw a HierarchyRequestError.")
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// Step 6.3.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.insertBefore(doc.createComment("foo"), doc.firstChild);
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assert_array_equals(doc.childNodes, [comment, doc.doctype, doc.documentElement]);
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var doctype = document.implementation.createDocumentType("html", "", "");
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(doctype, comment);
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});
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(doctype, doc.documentElement);
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});
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}, "If the context node is a document, inserting a doctype if there already is a doctype child should throw a HierarchyRequestError.")
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var comment = doc.appendChild(doc.createComment("foo"));
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doc.removeChild(doc.doctype);
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assert_array_equals(doc.childNodes, [doc.documentElement, comment]);
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var doctype = document.implementation.createDocumentType("html", "", "");
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assert_throws_dom("HierarchyRequestError", function() {
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doc.replaceChild(doctype, comment);
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});
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}, "If the context node is a document, inserting a doctype after the document element should throw a HierarchyRequestError.")
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// Steps 4/5.
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test(function() {
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var df = document.createDocumentFragment();
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var a = df.appendChild(document.createElement("a"));
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var doc = document.implementation.createHTMLDocument("title");
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assert_throws_dom("HierarchyRequestError", function() {
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df.replaceChild(doc, a);
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});
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var doctype = document.implementation.createDocumentType("html", "", "");
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assert_throws_dom("HierarchyRequestError", function() {
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df.replaceChild(doctype, a);
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});
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}, "If the context node is a DocumentFragment, inserting a document or a doctype should throw a HierarchyRequestError.")
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test(function() {
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var el = document.createElement("div");
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var a = el.appendChild(document.createElement("a"));
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var doc = document.implementation.createHTMLDocument("title");
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assert_throws_dom("HierarchyRequestError", function() {
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el.replaceChild(doc, a);
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});
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var doctype = document.implementation.createDocumentType("html", "", "");
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assert_throws_dom("HierarchyRequestError", function() {
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el.replaceChild(doctype, a);
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});
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}, "If the context node is an element, inserting a document or a doctype should throw a HierarchyRequestError.")
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// Step 6.
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test(function() {
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var a = document.createElement("div");
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var b = document.createElement("div");
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var c = document.createElement("div");
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a.appendChild(b);
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a.appendChild(c);
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assert_array_equals(a.childNodes, [b, c]);
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assert_equals(a.replaceChild(c, b), b);
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assert_array_equals(a.childNodes, [c]);
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}, "Replacing a node with its next sibling should work (2 children)");
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test(function() {
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var a = document.createElement("div");
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var b = document.createElement("div");
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var c = document.createElement("div");
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var d = document.createElement("div");
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var e = document.createElement("div");
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a.appendChild(b);
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a.appendChild(c);
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a.appendChild(d);
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a.appendChild(e);
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assert_array_equals(a.childNodes, [b, c, d, e]);
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assert_equals(a.replaceChild(d, c), c);
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assert_array_equals(a.childNodes, [b, d, e]);
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}, "Replacing a node with its next sibling should work (4 children)");
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test(function() {
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var a = document.createElement("div");
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var b = document.createElement("div");
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var c = document.createElement("div");
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a.appendChild(b);
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a.appendChild(c);
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assert_array_equals(a.childNodes, [b, c]);
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assert_equals(a.replaceChild(b, b), b);
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assert_array_equals(a.childNodes, [b, c]);
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assert_equals(a.replaceChild(c, c), c);
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assert_array_equals(a.childNodes, [b, c]);
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}, "Replacing a node with itself should not move the node");
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// Step 7.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var doctype = doc.doctype;
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assert_array_equals(doc.childNodes, [doctype, doc.documentElement]);
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var doc2 = document.implementation.createHTMLDocument("title2");
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var doctype2 = doc2.doctype;
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assert_array_equals(doc2.childNodes, [doctype2, doc2.documentElement]);
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doc.replaceChild(doc2.doctype, doc.doctype);
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assert_array_equals(doc.childNodes, [doctype2, doc.documentElement]);
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assert_array_equals(doc2.childNodes, [doc2.documentElement]);
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assert_equals(doctype.parentNode, null);
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assert_equals(doctype.ownerDocument, doc);
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assert_equals(doctype2.parentNode, doc);
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assert_equals(doctype2.ownerDocument, doc);
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}, "If the context node is a document, inserting a new doctype should work.")
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// Bugs.
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var df = doc.createDocumentFragment();
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var a = df.appendChild(doc.createElement("a"));
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assert_equals(doc.documentElement, doc.replaceChild(df, doc.documentElement));
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assert_array_equals(doc.childNodes, [doc.doctype, a]);
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}, "Replacing the document element with a DocumentFragment containing a single element should work.");
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var df = doc.createDocumentFragment();
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var a = df.appendChild(doc.createComment("a"));
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var b = df.appendChild(doc.createElement("b"));
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var c = df.appendChild(doc.createComment("c"));
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assert_equals(doc.documentElement, doc.replaceChild(df, doc.documentElement));
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assert_array_equals(doc.childNodes, [doc.doctype, a, b, c]);
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}, "Replacing the document element with a DocumentFragment containing a single element and comments should work.");
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test(function() {
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var doc = document.implementation.createHTMLDocument("title");
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var a = doc.createElement("a");
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assert_equals(doc.documentElement, doc.replaceChild(a, doc.documentElement));
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assert_array_equals(doc.childNodes, [doc.doctype, a]);
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}, "Replacing the document element with a single element should work.");
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test(function() {
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document.addEventListener("DOMNodeRemoved", function(e) {
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document.body.appendChild(document.createElement("x"));
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}, false);
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var a = document.body.firstChild, b = a.firstChild, c = b.nextSibling;
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assert_equals(a.replaceChild(c, b), b);
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assert_equals(b.parentNode, null);
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assert_equals(a.firstChild, c);
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assert_equals(c.parentNode, a);
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}, "replaceChild should work in the presence of mutation events.")
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test(function() {
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var TEST_ID = "findme";
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var gBody = document.getElementsByTagName("body")[0];
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var parent = document.createElement("div");
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gBody.appendChild(parent);
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var child = document.createElement("div");
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parent.appendChild(child);
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var df = document.createDocumentFragment();
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var fragChild = df.appendChild(document.createElement("div"));
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fragChild.setAttribute("id", TEST_ID);
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parent.replaceChild(df, child);
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assert_equals(document.getElementById(TEST_ID), fragChild, "should not be null");
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}, "Replacing an element with a DocumentFragment should allow a child of the DocumentFragment to be found by Id.")
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</script>
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@ -0,0 +1,108 @@
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function getNonParentNodes() {
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return [
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document.implementation.createDocumentType("html", "", ""),
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||||
document.createTextNode("text"),
|
||||
document.implementation.createDocument(null, "foo", null).createProcessingInstruction("foo", "bar"),
|
||||
document.createComment("comment"),
|
||||
document.implementation.createDocument(null, "foo", null).createCDATASection("data"),
|
||||
];
|
||||
}
|
||||
|
||||
function getNonInsertableNodes() {
|
||||
return [
|
||||
document.implementation.createHTMLDocument("title")
|
||||
];
|
||||
}
|
||||
|
||||
function getNonDocumentParentNodes() {
|
||||
return [
|
||||
document.createElement("div"),
|
||||
document.createDocumentFragment(),
|
||||
];
|
||||
}
|
||||
|
||||
// Test that the steps happen in the right order, to the extent that it's
|
||||
// observable. The variable names "parent", "child", and "node" match the
|
||||
// corresponding variables in the replaceChild algorithm in these tests.
|
||||
|
||||
// Step 1 happens before step 3.
|
||||
test(function() {
|
||||
var illegalParents = getNonParentNodes();
|
||||
var child = document.createElement("div");
|
||||
var node = document.createElement("div");
|
||||
illegalParents.forEach(function (parent) {
|
||||
assert_throws_dom("HierarchyRequestError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
});
|
||||
}, "Should check the 'parent' type before checking whether 'child' is a child of 'parent'");
|
||||
|
||||
// Step 2 happens before step 3.
|
||||
test(function() {
|
||||
var parent = document.createElement("div");
|
||||
var child = document.createElement("div");
|
||||
var node = document.createElement("div");
|
||||
|
||||
node.appendChild(parent);
|
||||
assert_throws_dom("HierarchyRequestError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
}, "Should check that 'node' is not an ancestor of 'parent' before checking whether 'child' is a child of 'parent'");
|
||||
|
||||
// Step 3 happens before step 4.
|
||||
test(function() {
|
||||
var parent = document.createElement("div");
|
||||
var child = document.createElement("div");
|
||||
|
||||
var illegalChildren = getNonInsertableNodes();
|
||||
illegalChildren.forEach(function (node) {
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
});
|
||||
}, "Should check whether 'child' is a child of 'parent' before checking whether 'node' is of a type that can have a parent.");
|
||||
|
||||
|
||||
// Step 3 happens before step 5.
|
||||
test(function() {
|
||||
var child = document.createElement("div");
|
||||
|
||||
var node = document.createTextNode("");
|
||||
var parent = document.implementation.createDocument(null, "foo", null);
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
|
||||
node = document.implementation.createDocumentType("html", "", "");
|
||||
getNonDocumentParentNodes().forEach(function (parent) {
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
});
|
||||
}, "Should check whether 'child' is a child of 'parent' before checking whether 'node' is of a type that can have a parent of the type that 'parent' is.");
|
||||
|
||||
// Step 3 happens before step 6.
|
||||
test(function() {
|
||||
var child = document.createElement("div");
|
||||
var parent = document.implementation.createDocument(null, null, null);
|
||||
|
||||
var node = document.createDocumentFragment();
|
||||
node.appendChild(document.createElement("div"));
|
||||
node.appendChild(document.createElement("div"));
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
|
||||
node = document.createElement("div");
|
||||
parent.appendChild(document.createElement("div"));
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
|
||||
parent.firstChild.remove();
|
||||
parent.appendChild(document.implementation.createDocumentType("html", "", ""));
|
||||
node = document.implementation.createDocumentType("html", "", "")
|
||||
assert_throws_dom("NotFoundError", function() {
|
||||
insertFunc.call(parent, node, child);
|
||||
});
|
||||
}, "Should check whether 'child' is a child of 'parent' before checking whether 'node' can be inserted into the document given the kids the document has right now.");
|
||||
Loading…
Reference in a new issue