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Unified Diff: LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html

Issue 1144143009: W3C Test: Import web-platform-tests/html/semantics (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 6 months ago
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Index: LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html
diff --git a/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html b/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html
new file mode 100644
index 0000000000000000000000000000000000000000..a34fe89fd6f216449e7ce4f4185ed7d34c89cf05
--- /dev/null
+++ b/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html
@@ -0,0 +1,29 @@
+<!doctype html>
+<title>inserting another source before the candidate</title>
+<script src="../../../../../../../resources/testharness.js"></script>
+<script src="../../../../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+var v;
+function createSource(src) {
+ var source = document.createElement('source');
+ source.src = src;
+ return source;
+}
+var t = async_test(function(t) {
+ v = document.createElement('video');
+ v.addEventListener('loadstart', t.step_func(function() {
+ assert_equals(v.currentSrc.substr(v.currentSrc.lastIndexOf('#')), '#a');
+ t.done();
+ }), false);
+ v.appendChild(createSource('#a')); // invokes resource selection
+});
+</script>
+<!-- now resource selection algorithm will continue its sync section (the </script> tag below provides a stable state) -->
+<!-- #a is candidate -->
+<!-- pointer is between #a and the end of the list -->
+<script>
+t.step(function() {
+ v.insertBefore(createSource('#b'), v.firstChild); // pointer is unchanged, #a is still candidate
+});
+</script>

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