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| 1 <!DOCTYPE html> |
| 2 <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachu
setts Institute of Technology, ERCIM, Keio University, Beihang). --> |
| 3 <html> |
| 4 <head> |
| 5 <title>Test that the HTMLMediaElement preload 'none' attribute value is
ignored for MediaStream used as srcObject and MediaStream object URLs used as sr
c.</title>> |
| 6 <link rel="author" title="Matthew Wolenetz" href="mailto:wolenetz@chromi
um.org"/> |
| 7 <script src="../../../resources/testharness.js"></script> |
| 8 <script src="../../../resources/testharnessreport.js"></script> |
| 9 <script src="../../../resources/vendor-prefix.js" data-prefixed-objects=
'[{"ancestors":["navigator"], "name":"getUserMedia"}, {"ancestors":["window"], "
name":"MediaStream"}]'></script> |
| 10 </head> |
| 11 <body> |
| 12 <p class="instructions" style="display:none">When prompted, accept to sh
are your audio and video streams.</p> |
| 13 <h1 class="instructions" style="display:none">Description</h1> |
| 14 <p class="instructions" style="display:none">This test checks that the H
TMLMediaElement preload 'none' attribute value is ignored for MediaStream used a
s srcObject and MediaStream object URLs used as src.</p> |
| 15 |
| 16 <audio preload="none"></audio> |
| 17 <video preload="none"></video> |
| 18 |
| 19 <script> |
| 20 function testPreloadNone(t, mediaElement, setSourceStreamFunc) |
| 21 { |
| 22 // The optional deferred load steps (for preload none) for Media
Stream resources should be skipped. |
| 23 mediaElement.addEventListener("suspend", t.unreached_func("'susp
end' should not be fired.")); |
| 24 |
| 25 mediaElement.addEventListener("loadeddata", t.step_func(function
() |
| 26 { |
| 27 assert_equals(mediaElement.networkState, mediaElement.NETWOR
K_LOADING); |
| 28 t.done(); |
| 29 })); |
| 30 |
| 31 setSourceStreamFunc(); |
| 32 assert_equals(mediaElement.networkState, mediaElement.NETWORK_NO
_SOURCE); // Resource selection is active. |
| 33 } |
| 34 |
| 35 async_test(function(t) |
| 36 { |
| 37 var aud = document.querySelector("audio"); |
| 38 navigator.getUserMedia({audio:true}, t.step_func(function(stream
) |
| 39 { |
| 40 testPreloadNone(t, aud, t.step_func(function() |
| 41 { |
| 42 aud.src = URL.createObjectURL(stream); |
| 43 t.add_cleanup(function() { URL.revokeObjectURL(aud.src);
}); |
| 44 })); |
| 45 }), t.unreached_func("getUserMedia error callback was invoked.")
); |
| 46 }, "Test that preload 'none' is ignored for MediaStream object URL u
sed as src"); |
| 47 |
| 48 async_test(function(t) |
| 49 { |
| 50 var vid = document.querySelector("video"); |
| 51 navigator.getUserMedia({video:true}, t.step_func(function(stream
) |
| 52 { |
| 53 testPreloadNone(t, vid, t.step_func(function() { vid.srcObje
ct = stream; })); |
| 54 }), t.unreached_func("getUserMedia error callback was invoked.")
); |
| 55 }, "Test that preload 'none' is ignored for MediaStream used as srcO
bject"); |
| 56 </script> |
| 57 </body> |
| 58 </html> |
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