32 lines
1.7 KiB
HTML
32 lines
1.7 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>getUserMedia({audio:true}) creates a stream with at least an audio track</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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<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-kind">
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</head>
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<body>
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<p class="instructions">When prompted, accept to share your audio stream.</p>
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<h1 class="instructions">Description</h1>
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<p class="instructions">This test checks that the MediaStream object returned by
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the success callback in getUserMedia has exactly one audio track.</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 src=/resources/testdriver.js></script>
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<script src=/resources/testdriver-vendor.js></script>
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<script src=permission-helper.js></script>
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<script>
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promise_test(async () => {
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await setMediaPermission();
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const stream = await navigator.mediaDevices.getUserMedia({audio:true});
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assert_true(stream instanceof MediaStream, "getUserMedia success callback comes with a MediaStream object");
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assert_equals(stream.getAudioTracks().length, 1, "the media stream has exactly one audio track");
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assert_equals(stream.getAudioTracks()[0].kind, "audio", "getAudioTracks() returns a sequence of tracks whose kind is 'audio'");
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assert_equals(stream.getVideoTracks().length, 0, "the media stream has zero video track");
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}, "Tests that a MediaStream with exactly one audio track is returned");
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</script>
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</body>
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</html>
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