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Unified Diff: LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/load-removes-queued-error-event.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/load-removes-queued-error-event.html
diff --git a/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/load-removes-queued-error-event.html b/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/load-removes-queued-error-event.html
new file mode 100644
index 0000000000000000000000000000000000000000..44fc4130f9f41ba061835b23aa21568ff60f32ee
--- /dev/null
+++ b/LayoutTests/imported/web-platform-tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/load-removes-queued-error-event.html
@@ -0,0 +1,44 @@
+<!doctype html>
+<title>load() removes queued error event</title>
+<script src="../../../../../../../resources/testharness.js"></script>
+<script src="../../../../../../../resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+// The loadstart and error event firing tasks are queued in the synchronous
+// section of the resource selection algorithm, so no tasks can come between
+// them. Calling load() in the loadstart event handler removes the queued error
+// event task at very latest opportunity, failing any implementation that fires
+// the events in the same task.
+
+async_test(function(t) {
+ var v = document.createElement('video');
+ var events = [];
+ v.onloadstart = v.onerror = t.step_func(function(e) {
+ events.push(e.type);
+ if (events.length == 1) {
+ v.load();
+ } else if (events.length == 3) {
+ assert_array_equals(events, ['loadstart', 'loadstart', 'error']);
+ t.done();
+ }
+ });
+ v.src = '';
+}, 'video error event');
+
+async_test(function(t) {
+ var v = document.createElement('video');
+ var s = document.createElement('source');
+ var events = [];
+ v.onloadstart = s.onerror = t.step_func(function(e) {
+ events.push(e.type);
+ if (events.length == 1) {
+ v.load();
+ } else if (events.length == 3) {
+ assert_array_equals(events, ['loadstart', 'loadstart', 'error']);
+ t.done();
+ }
+ });
+ v.onerror = t.step_func(function() { assert_unreached(); });
+ v.appendChild(s);
+}, 'source error event');
+</script>

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