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61 lines
1.7 KiB
HTML
61 lines
1.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test the OscillatorNode interface</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="webaudio.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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var context = new AudioContext();
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var osc = context.createOscillator();
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is(osc.channelCount, 2, "Oscillator node has 2 input channels by default");
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is(osc.channelCountMode, "max", "Correct channelCountMode for the Oscillator node");
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is(osc.channelInterpretation, "speakers", "Correct channelCountInterpretation for the Oscillator node");
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is(osc.type, "sine", "Correct default type");
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expectException(function() {
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osc.type = "custom";
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}, DOMException.INVALID_STATE_ERR);
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is(osc.type, "sine", "Cannot set the type to custom");
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is(osc.frequency.value, 440, "Correct default frequency value");
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is(osc.detune.value, 0, "Correct default detine value");
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// Make sure that we can set all of the valid type values
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var types = [
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"sine",
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"square",
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"sawtooth",
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"triangle",
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];
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for (var i = 0; i < types.length; ++i) {
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osc.type = types[i];
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}
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// Verify setPeriodicWave()
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var real = new Float32Array([1.0, 0.5, 0.25, 0.125]);
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var imag = new Float32Array([1.0, 0.7, -1.0, 0.5]);
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osc.setPeriodicWave(context.createPeriodicWave(real, imag));
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is(osc.type, "custom", "Failed to set custom waveform");
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expectNoException(function() {
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osc.start();
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});
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expectNoException(function() {
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osc.stop();
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});
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SimpleTest.finish();
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});
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</script>
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</pre>
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</body>
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</html>
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