gecko-dev/dom/media/webaudio/test/test_setValueCurveWithNonFi...

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<title>Bug 1308437 - setValueCurve should throw on non-finite elements</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function testInfiniteElement(audioContext, audioParam) {
// create value curve with infinite element
var arr = new Float32Array(5);
arr[0] = 0.5;
arr[1] = 1;
arr[2] = Infinity;
arr[3] = 1;
arr[4] = 0.5;
try {
audioParam.setValueCurveAtTime(arr, audioContext.currentTime(), 2);
ok(false, "We shouldn't be able to call setValueCurve with Infinity but we can");
} catch(e) {
ok(e instanceof TypeError, "TypeError is thrown");
}
};
function testNanElement(audioContext, audioParam) {
// create value curve with infinite element
var arr = new Float32Array(5);
arr[0] = 0.5;
arr[1] = 1;
arr[2] = NaN;
arr[3] = 1;
arr[4] = 0.5;
try {
audioParam.setValueCurveAtTime(arr, audioContext.currentTime(), 2);
ok(false, "We shouldn't be able to call setValueCurve with NaN but we can");
} catch(e) {
ok(e instanceof TypeError, "TypeError is thrown");
}
};
addLoadEvent(function() {
var audioContext = new AudioContext();
var gainNode = audioContext.createGain();
testInfiniteElement(audioContext, gainNode.gain);
testNanElement(audioContext, gainNode.gain);
SimpleTest.finish();
});
</script>
</pre>
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