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58 lines
1.7 KiB
HTML
58 lines
1.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test the devtool AudioNode API</title>
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<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/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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Components.utils.import('resource://gre/modules/Services.jsm');
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SimpleTest.waitForExplicitFinish();
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var ac = new AudioContext();
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var ids;
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var weak;
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(function() {
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var src1 = ac.createBufferSource();
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var src2 = ac.createBufferSource();
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ok(src2.id > src1.id, "The ID should be monotonic");
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ok(src1.id > ac.destination.id, "The ID of the destination node should be the lowest");
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ids = [src1.id, src2.id];
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weak = Components.utils.getWeakReference(src1);
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is(weak.get(), src1, "The node should support a weak reference");
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})();
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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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info("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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is(weak.get(), null, "The weak reference must be dropped now");
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Services.obs.removeObserver(observer, "webaudio-node-demise");
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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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Services.obs.addObserver(observer, "webaudio-node-demise", false);
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forceCC();
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forceCC();
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function forceCC() {
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SpecialPowers.DOMWindowUtils.cycleCollect();
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SpecialPowers.DOMWindowUtils.garbageCollect();
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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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