зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
1.5 KiB
HTML
75 строки
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test bug 1027864</title>
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<script src="/tests/SimpleTest/SimpleTest.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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function observer(subject, topic, data) {
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var id = parseInt(data);
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var index = ids.indexOf(id);
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if (index != -1) {
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ok(true, "Dropping id " + id + " at index " + index);
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ids.splice(index, 1);
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if (ids.length == 0) {
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SimpleTest.executeSoon(function() {
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SimpleTest.finish();
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});
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}
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}
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}
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function id(node) {
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return SpecialPowers.getPrivilegedProps(node, "id");
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}
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SpecialPowers.addAsyncObserver(observer, "webaudio-node-demise", false);
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SimpleTest.registerCleanupFunction(function() {
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SpecialPowers.removeAsyncObserver(observer, "webaudio-node-demise");
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});
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var ac = new AudioContext();
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var ids;
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(function() {
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var delay = ac.createDelay();
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delay.delayTime.value = 0.03;
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var gain = ac.createGain();
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gain.gain.value = 0.6;
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delay.connect(gain);
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gain.connect(delay);
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gain.connect(ac.destination);
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var source = ac.createOscillator();
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source.connect(gain);
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source.start(ac.currentTime);
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source.stop(ac.currentTime + 0.1);
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ids = [ id(delay), id(gain), id(source) ];
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})();
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setInterval(function() {
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forceCC();
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}, 200);
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function forceCC() {
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SpecialPowers.DOMWindowUtils.cycleCollect();
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SpecialPowers.DOMWindowUtils.garbageCollect();
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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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