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49 lines
2.3 KiB
HTML
49 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
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<title>Tests that MediaSource attachment stops delaying the load event.</title>
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<link rel="author" title="Matthew Wolenetz" href="mailto:wolenetz@chromium.org"/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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async_test(function(test)
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{
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var receivedLoadEvent = false;
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var receivedSourceOpenEvent = false;
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window.addEventListener("load", test.step_func(function() {
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assert_false(receivedLoadEvent, "window should not receive multiple load events");
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receivedLoadEvent = true;
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assert_equals(document.readyState, "complete", "document should be complete");
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if (receivedLoadEvent && receivedSourceOpenEvent) {
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test.done();
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}
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}));
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assert_equals(document.readyState, "loading", "document should not be complete yet");
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var video = document.createElement("video");
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var mediaSource = new MediaSource();
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// |video| should stop delaying the load event long and complete the MediaSource attachment
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// before either a "progress", "stalled" or "suspend" event are enqueued.
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video.addEventListener("suspend", test.unreached_func("unexpected 'suspend' event"));
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video.addEventListener("stalled", test.unreached_func("unexpected 'stalled' event"));
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video.addEventListener("progress", test.unreached_func("unexpected 'progress' event"));
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// No error is expected.
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video.addEventListener("error", test.unreached_func("unexpected 'error' event"));
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mediaSource.addEventListener("sourceopen", test.step_func(function() {
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assert_false(receivedSourceOpenEvent, "only one sourceopen event should occur in this test");
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receivedSourceOpenEvent = true;
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assert_equals(video.networkState, video.NETWORK_LOADING);
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assert_equals(video.readyState, video.HAVE_NOTHING);
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if (receivedLoadEvent && receivedSourceOpenEvent) {
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test.done();
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}
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}));
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var mediaSourceURL = URL.createObjectURL(mediaSource);
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video.src = mediaSourceURL;
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test.add_cleanup(function() { URL.revokeObjectURL(mediaSourceURL); });
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}, "MediaSource attachment should immediately stop delaying the load event");
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</script>
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