| Index: LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html
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| 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
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..a34fe89fd6f216449e7ce4f4185ed7d34c89cf05
|
| --- /dev/null
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| +++ b/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-candidate-insert-before.html
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| @@ -0,0 +1,29 @@
|
| +<!doctype html>
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| +<title>inserting another source before the candidate</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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| +<div id=log></div>
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| +<script>
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| +var v;
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| +function createSource(src) {
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| + var source = document.createElement('source');
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| + source.src = src;
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| + return source;
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| +}
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| +var t = async_test(function(t) {
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| + v = document.createElement('video');
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| + v.addEventListener('loadstart', t.step_func(function() {
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| + assert_equals(v.currentSrc.substr(v.currentSrc.lastIndexOf('#')), '#a');
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| + t.done();
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| + }), false);
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| + v.appendChild(createSource('#a')); // invokes resource selection
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| +});
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| +</script>
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| +<!-- now resource selection algorithm will continue its sync section (the </script> tag below provides a stable state) -->
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| +<!-- #a is candidate -->
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| +<!-- pointer is between #a and the end of the list -->
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| +<script>
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| +t.step(function() {
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| + v.insertBefore(createSource('#b'), v.firstChild); // pointer is unchanged, #a is still candidate
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| +});
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| +</script>
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|
|