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mochitest for bug 970773

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--HG--
extra : rebase_source : d79239ebc2473a95ac0dde796515c935f3ac3ab2
This commit is contained in:
Karl Tomlinson 2014-08-13 18:00:25 +12:00
parent bbd7c42a51
commit a37ebe5a53
2 changed files with 42 additions and 0 deletions
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1
content/media/webaudio/test/mochitest.ini
View File

@ -117,6 +117,7 @@ skip-if = (toolkit == 'gonk' && !debug)
[test_periodicWave.html]
[test_scriptProcessorNode.html]
[test_scriptProcessorNodeChannelCount.html]
[test_scriptProcessorNode_playbackTime1.html]
[test_scriptProcessorNodeZeroInputOutput.html]
[test_scriptProcessorNodeNotConnected.html]
[test_singleSourceDest.html]

41
content/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html Normal file
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@ -0,0 +1,41 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Test ScriptProcessorNode playbackTime for bug 970773</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
addLoadEvent(
function() {
const delay = 0.1;
var context = new AudioContext();
SimpleTest.executeSoon( // to ensure that AudioContext has started
function() {
setTimeout( // wait for |delay|
function() {
var sp = context.createScriptProcessor(256);
sp.connect(context.destination);
sp.onaudioprocess =
function(e) {
var minimum =
(delay + e.inputBuffer.length/context.sampleRate) *
(1.0 - 1.0/Math.pow(2.0,52.0)); // double precision
ok(e.playbackTime >= minimum,
"playbackTime " + e.playbackTime +
" beyond expected minimum " + minimum);
sp.onaudioprocess = null;
SimpleTest.finish();
};
}, 1000 * delay);
});
});
</script>
</pre>
</body>
</html>