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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/webaudio/test/test_bug1118372.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream/115.8.0esr.tar.xz firefox-esr-upstream/115.8.0esr.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 0000000000..f049b221e8 --- /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 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> |