8 ay önce · d8511e39c9
--- a/Libraries/LibWeb/Bindings/MainThreadVM.cpp
+++ b/Libraries/LibWeb/Bindings/MainThreadVM.cpp
@@ -736,7 +736,7 @@ void queue_mutation_observer_microtask(DOM::Document const& document)
 
				                 }
			
 
				             }
			
 
				 
			
 
				-            // 4. If records is not empty, then invoke mo’s callback with « records, mo », and mo. If this throws an exception, catch it, and report the exception.
			
 
				+            // 4. If records is not empty, then invoke mo’s callback with « records, mo » and "report", and with callback this value mo.
			
 
				             if (!records.is_empty()) {
			
 
				                 auto& callback = mutation_observer->callback();
			
 
				                 auto& realm = callback.callback_context;
			
@@ -748,9 +748,7 @@ void queue_mutation_observer_microtask(DOM::Document const& document)
 
				                     MUST(wrapped_records->create_data_property(property_index, record.ptr()));
			
 
				                 }
			
 
				 
			
 
				-                auto result = WebIDL::invoke_callback(callback, mutation_observer, wrapped_records, mutation_observer);
			
 
				-                if (result.is_abrupt())
			
 
				-                    HTML::report_exception(result, realm);
			
 
				+                (void)WebIDL::invoke_callback(callback, mutation_observer, WebIDL::ExceptionBehavior::Report, wrapped_records, mutation_observer);
			
 
				             }
			
 
				         }
			
 
				 
			
--- a/Tests/LibWeb/Text/expected/wpt-import/dom/nodes/MutationObserver-cross-realm-callback-report-exception.txt
+++ b/Tests/LibWeb/Text/expected/wpt-import/dom/nodes/MutationObserver-cross-realm-callback-report-exception.txt
@@ -0,0 +1,6 @@
 
				+Harness status: OK
			
 
				+
			
 
				+Found 1 tests
			
 
				+
			
 
				+1 Pass
			
 
				+Pass	MutationObserver reports the exception from its callback in the callback's global object
			
--- a/Tests/LibWeb/Text/input/wpt-import/dom/nodes/MutationObserver-cross-realm-callback-report-exception.html
+++ b/Tests/LibWeb/Text/input/wpt-import/dom/nodes/MutationObserver-cross-realm-callback-report-exception.html
@@ -0,0 +1,32 @@
 
				+<!doctype html>
			
 
				+<meta charset=utf-8>
			
 
				+<title>MutationObserver reports the exception from its callback in the callback's global object</title>
			
 
				+<script src=../../resources/testharness.js></script>
			
 
				+<script src=../../resources/testharnessreport.js></script>
			
 
				+<iframe></iframe>
			
 
				+<iframe></iframe>
			
 
				+<iframe></iframe>
			
 
				+<script>
			
 
				+setup({ allow_uncaught_exception: true });
			
 
				+
			
 
				+const onerrorCalls = [];
			
 
				+window.onerror = () => { onerrorCalls.push("top"); };
			
 
				+frames[0].onerror = () => { onerrorCalls.push("frame0"); };
			
 
				+frames[1].onerror = () => { onerrorCalls.push("frame1"); };
			
 
				+frames[2].onerror = () => { onerrorCalls.push("frame2"); };
			
 
				+
			
 
				+async_test(t => {
			
 
				+  window.onload = t.step_func(() => {
			
 
				+    const target = frames[0].document.body;
			
 
				+    const mo = new frames[0].MutationObserver(new frames[1].Function(`throw new parent.frames[2].Error("PASS");`));
			
 
				+
			
 
				+    mo.observe(target, { childList: true, subtree: true });
			
 
				+    target.append("foo");
			
 
				+
			
 
				+    t.step_timeout(() => {
			
 
				+      assert_array_equals(onerrorCalls, ["frame1"]);
			
 
				+      t.done();
			
 
				+    }, 4);
			
 
				+  });
			
 
				+});
			
 
				+</script>