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