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30 lines
1.4 KiB
HTML
30 lines
1.4 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Optional constraint recognized as optional in getUserMedia</title>
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<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
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<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-NavigatorUserMedia-getUserMedia-void-MediaStreamConstraints-constraints-NavigatorUserMediaSuccessCallback-successCallback-NavigatorUserMediaErrorCallback-errorCallback">
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</head>
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<body>
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<p class="instructions">When prompted, accept to share your video stream.</p>
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<h1 class="instructions">Description</h1>
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<p class="instructions">This test checks that setting an optional constraint in
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getUserMedia is handled as optional</p>
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<div id='log'></div>
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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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var t = async_test("Tests that setting an optional constraint in getUserMedia is handled as optional", {timeout:10000});
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t.step(function() {
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navigator.mediaDevices.getUserMedia({video: {advanced: [{width: {min:1024, max: 800}}]}})
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.then(t.step_func(function (stream) {
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assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track");
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t.done();
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}), t.step_func(function(error) {
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assert_unreached("an optional constraint can't stop us from obtaining a video stream");
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}));
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});
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</script>
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</body>
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</html>
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