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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_bug1118372.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/test/test_bug1118372.html')
| -rw-r--r-- | dom/media/webaudio/test/test_bug1118372.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_bug1118372.html b/dom/media/webaudio/test/test_bug1118372.html new file mode 100644 index 000000000..ca3fc6b0d --- /dev/null +++ b/dom/media/webaudio/test/test_bug1118372.html @@ -0,0 +1,46 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test WaveShaperNode with no curve</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="webaudio.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() { + var context = new OfflineAudioContext(1, 2048, 44100); + + var osc=context.createOscillator(); + var gain=context.createGain(); + var shaper=context.createWaveShaper(); + gain.gain.value=0.1; + shaper.curve=new Float32Array([-0.5,-0.5,1,1]); + + osc.connect(gain); + gain.connect(shaper); + shaper.connect(context.destination); + osc.start(0); + + context.startRendering().then(function(buffer) { + var samples = buffer.getChannelData(0); + // the signal should be scaled + var failures = 0; + for (var i = 0; i < 2048; ++i) { + if (samples[i] > 0.5) { + failures = failures + 1; + } + } + ok(failures == 0, "signal should have been rescaled by gain: found " + failures + " points too loud."); + SimpleTest.finish(); + }); +}); + +</script> +</pre> +</body> +</html> |