LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html - Issue 560893005: First checked-in import of the W3C's test suites.

Unified Diff: LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html

Issue 560893005: First checked-in import of the W3C's test suites. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: add new expectations for newly failing w3c tests Created 6 years, 3 months ago

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Index: LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html

diff --git a/LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html b/LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html

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index 0000000000000000000000000000000000000000..37fc9f3bba48f28abeb8e6e01a5a3b1a696ed82c

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+++ b/LayoutTests/imported/web-platform-tests/mediacapture-streams/stream-api/introduction/disabled-audio-silence.html

@@ -0,0 +1,56 @@

+<!doctype html>

+<html>

+<head>

+<title>A disabled audio track is rendered as silence</title>

+<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>

+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#introduction">

+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastreams-as-media-elements">

+<link rel='stylesheet' href='../../../../../resources/testharness.css' media='all'/>

+</head>

+<body>

+<p class="instructions" style="display:none">When prompted, accept to share your audio stream.</p>

+<h1 class="instructions" style="display:none">Description</h1>

+<p class="instructions" style="display:none">This test checks that a disabled audio track in a

+MediaStream is rendered as silence. It relies on the

+<a href="https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html">

+Web Audio API</a>.</p>

+<div id='log'></div>

+<script src=../../../../../resources/testharness.js></script>

+<script src=../../../../../resources/testharnessreport.js></script>

+<script src="../../../../../resources/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}, {"ancestors":["window"], "name":"AudioContext"}]'></script>

+<script>

+var t = async_test("Tests that a disabled audio track in a MediaStream is rendered as silence", {timeout: 200000});

+var aud = document.getElementById("aud");

+t.step(function() {

+ navigator.getUserMedia({audio: true}, t.step_func(function (stream) {

+ var ctx = new AudioContext();

+ var streamSource = ctx.createMediaStreamSource(stream);

+ var silenceDetector = ctx.createScriptProcessor(1024);

+ var count = 10;

+ silenceDetector.onaudioprocess = t.step_func(function (e) {

+ var buffer1 = e.inputBuffer.getChannelData(0);

+ var buffer2 = e.inputBuffer.getChannelData(1);

+ var out = e.outputBuffer.getChannelData(0);

+ out = new Float32Array(buffer1);

+ for (var i = 0; i < buffer1.length; i++) {

+ assert_equals(buffer1[i], 0, "Audio buffer entry #" + i + " in channel 0 is silent");

+ }

+ for (var i = 0; i < buffer2.length; i++) {

+ assert_equals(buffer2[i], 0, "Audio buffer entry #" + i + " in channel 1 is silent");

+ }

+ count--;

+ if (count === 0) {

+ silenceDetector.onaudioprocess = null;

+ t.done();

+ }

+ });

+ stream.getAudioTracks()[0].enabled = false;

+ streamSource.connect(silenceDetector);

+ silenceDetector.connect(ctx.destination);

+ }), function(error) {});

+});

+</script>

+</body>

+</html>