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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html')
-rw-r--r-- | dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html b/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html new file mode 100644 index 000000000..43cd13912 --- /dev/null +++ b/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html @@ -0,0 +1,52 @@ +<!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(); + +var context = new AudioContext(); +const delay = 0.1; + +function doTest() { + const processorBufferLength = 256; + // |currentTime| may include double precision floating point + // rounding errors, so round to nearest integer sample to ignore these. + var minimumPlaybackSample = + Math.round(context.currentTime * context.sampleRate) + + processorBufferLength; + var sp = context.createScriptProcessor(processorBufferLength); + sp.connect(context.destination); + sp.onaudioprocess = + function(e) { + is(e.inputBuffer.length, processorBufferLength, + "expected buffer length"); + var playbackSample = Math.round(e.playbackTime * context.sampleRate) + ok(playbackSample >= minimumPlaybackSample, + "playbackSample " + playbackSample + + " beyond expected minimum " + minimumPlaybackSample); + sp.onaudioprocess = null; + SimpleTest.finish(); + }; +} + +// Wait until AudioDestinationNode has accumulated enough 'extra' time so that +// a failure would be easily detected. +(function waitForExtraTime() { + if (context.currentTime < delay) { + SimpleTest.executeSoon(waitForExtraTime); + } else { + doTest(); + } +})(); + +</script> +</pre> +</body> +</html> |