<!DOCTYPE html> <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> <meta charset="utf-8"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="mediasource-util.js"></script> <script> function mediasource_detach_test(testFunction, description) { mediasource_test(function(test, mediaElement, mediaSource) { var segmentInfo = MediaSourceUtil.SEGMENT_INFO; var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type); assert_equals(mediaElement.readyState, HTMLMediaElement.HAVE_NOTHING); assert_equals(mediaSource.readyState, 'open'); mediaSource.addEventListener('sourceclose', test.step_func(function (event) { assert_equals(mediaSource.sourceBuffers.length, 0, 'sourceBuffers is empty'); assert_equals(mediaSource.activeSourceBuffers.length, 0, 'activeSourceBuffers is empty'); assert_equals(mediaSource.readyState, 'closed', 'readyState is "closed"'); assert_true(Number.isNaN(mediaSource.duration), 'duration is NaN'); test.done(); })); MediaSourceUtil.loadBinaryData(test, segmentInfo.url, function(mediaData) { testFunction(test, mediaElement, mediaSource, sourceBuffer, mediaData); }); }, description); } mediasource_detach_test(function(test, mediaElement, mediaSource, sourceBuffer, mediaData) { mediaElement.load(); }, 'Test media.load() before appending data will trigger MediaSource detaching from a media element.'); mediasource_detach_test(function(test, mediaElement, mediaSource, sourceBuffer, mediaData) { sourceBuffer.addEventListener('updateend', test.step_func(function (event) { assert_greater_than(mediaElement.readyState, HTMLMediaElement.HAVE_NOTHING, 'media readyState is greater than "HAVE_NOTHING"') assert_false(sourceBuffer.updating, 'updating attribute is false'); mediaElement.load(); })); sourceBuffer.appendBuffer(mediaData); }, 'Test media.load() after appending data will trigger MediaSource detaching from a media element.'); </script>