| <!DOCTYPE html> |
| <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> |
| <html> |
| <head> |
| <title>Test that the HTMLMediaElement preload 'none' attribute value is ignored for MediaStream used as srcObject and MediaStream object URLs used as src.</title>> |
| <link rel="author" title="Matthew Wolenetz" href="mailto:wolenetz@chromium.org"/> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <p class="instructions">When prompted, accept to share your audio and video streams.</p> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that the HTMLMediaElement preload 'none' attribute value is ignored for MediaStream used as srcObject and MediaStream object URLs used as src.</p> |
| |
| <audio preload="none"></audio> |
| <video preload="none"></video> |
| |
| <script> |
| function testPreloadNone(t, mediaElement, setSourceStreamFunc) |
| { |
| // The optional deferred load steps (for preload none) for MediaStream resources should be skipped. |
| mediaElement.addEventListener("suspend", t.unreached_func("'suspend' should not be fired.")); |
| mediaElement.addEventListener("error", t.step_func(function() { |
| assert_unreached("'error' should not be fired, code=" + mediaElement.error.code); |
| })); |
| |
| mediaElement.addEventListener("loadeddata", t.step_func(function() |
| { |
| assert_equals(mediaElement.networkState, mediaElement.NETWORK_LOADING); |
| t.done(); |
| })); |
| |
| setSourceStreamFunc(); |
| assert_equals(mediaElement.networkState, mediaElement.NETWORK_NO_SOURCE); // Resource selection is active. |
| } |
| |
| async_test(function(t) |
| { |
| var aud = document.querySelector("audio"); |
| navigator.mediaDevices.getUserMedia({audio:true}) |
| .then(t.step_func(function(stream) |
| { |
| testPreloadNone(t, aud, t.step_func(function() |
| { |
| aud.src = URL.createObjectURL(stream); |
| t.add_cleanup(function() { URL.revokeObjectURL(aud.src); }); |
| })); |
| }), |
| t.unreached_func("getUserMedia error callback was invoked.")); |
| }, "Test that preload 'none' is ignored for MediaStream object URL used as src"); |
| |
| async_test(function(t) |
| { |
| var vid = document.querySelector("video"); |
| navigator.mediaDevices.getUserMedia({video:true}) |
| .then(t.step_func(function(stream) |
| { |
| testPreloadNone(t, vid, t.step_func(function() { vid.srcObject = stream; })); |
| }), t.unreached_func("getUserMedia error callback was invoked.")); |
| }, "Test that preload 'none' is ignored for MediaStream used as srcObject"); |
| </script> |
| </body> |
| </html> |
