162 lines
4.2 KiB
HTML
162 lines
4.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test inactive AudioContext is garbage collected</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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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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let ids;
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const observer = (subject, topic, data) => {
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const id = parseInt(data);
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if (ids) {
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ok(ids.delete(id), "Collected AudioNode id " + id);
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}
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}
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SpecialPowers.addObserver(observer, "webaudio-node-demise");
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SimpleTest.registerCleanupFunction(function() {
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if (observer) {
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SpecialPowers.removeObserver(observer, "webaudio-node-demise");
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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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let tests = [{
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name: "Bare running AudioContext", setup: () => {
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const ac = new AudioContext();
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ids.add(id(ac.destination));
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// Await state change notification before collection.
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return new Promise((resolve) => {
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ac.onstatechange = () => {
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is(ac.state, "running", "ac.state");
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resolve();
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};
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});
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}
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}, {
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name: "Stopped source", setup: () => {
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const ac = new AudioContext();
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ids.add(id(ac.destination));
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const source = new ConstantSourceNode(ac);
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ids.add(id(source));
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source.start();
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source.stop();
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// Await ended notification before collection.
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return new Promise((resolve) => {
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source.onended = () => {
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is(ac.state, "running", "ac.state");
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resolve();
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};
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});
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}
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}, {
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name: "OfflineAudioContext not started", setup: () => {
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const ac = new OfflineAudioContext({
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numberOfChannels: 1, length: 1, sampleRate: 48000
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});
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ids.add(id(ac.destination));
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const source = new ConstantSourceNode(ac);
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ids.add(id(source));
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source.start();
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}
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}, {
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name: "Completed OfflineAudioContext", setup: async () => {
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const ac = new OfflineAudioContext({
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numberOfChannels: 1, length: 1, sampleRate: 48000
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});
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ids.add(id(ac.destination));
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const sourceBeforeStart = new ConstantSourceNode(ac);
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ids.add(id(sourceBeforeStart));
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sourceBeforeStart.start();
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ac.startRendering();
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await new Promise((resolve) => {
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ac.oncomplete = () => {
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resolve();
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};
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});
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const sourceAfterComplete = new ConstantSourceNode(ac);
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ids.add(id(sourceAfterComplete));
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sourceAfterComplete.start();
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}
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}, {
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name: "suspended AudioContext", setup: async () => {
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const ac = new AudioContext();
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ids.add(id(ac.destination));
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const sourceBeforeSuspend = new ConstantSourceNode(ac);
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ids.add(id(sourceBeforeSuspend));
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sourceBeforeSuspend.start();
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ac.suspend();
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const sourceAfterSuspend = new ConstantSourceNode(ac);
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ids.add(id(sourceAfterSuspend));
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sourceAfterSuspend.start();
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await new Promise((resolve) => {
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ac.onstatechange = () => {
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if (ac.state == "suspended") {
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resolve();
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}
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};
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});
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const sourceAfterSuspended = new ConstantSourceNode(ac);
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ids.add(id(sourceAfterSuspended));
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sourceAfterSuspended.start();
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}
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}, {
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name: "closed AudioContext", setup: async () => {
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const ac = new AudioContext();
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ids.add(id(ac.destination));
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const sourceBeforeClose = new ConstantSourceNode(ac);
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ids.add(id(sourceBeforeClose));
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sourceBeforeClose.start();
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ac.close();
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const sourceAfterClose = new ConstantSourceNode(ac);
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ids.add(id(sourceAfterClose));
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sourceAfterClose.start();
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await new Promise((resolve) => {
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ac.onstatechange = () => {
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if (ac.state == "closed") {
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resolve();
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}
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};
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});
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const sourceAfterClosed = new ConstantSourceNode(ac);
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ids.add(id(sourceAfterClosed));
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sourceAfterClosed.start();
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}
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}];
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const start_next_test = async () => {
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const test = tests.shift();
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if (!test) {
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SimpleTest.finish();
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return;
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}
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// Collect all audio nodes from previous tests.
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if (!ids) {
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await new Promise(resolve => {
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SpecialPowers.exactGC(resolve);
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});
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}
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ids = new Set();
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await test.setup();
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SpecialPowers.exactGC(() => {
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is(ids.size, 0,
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`All expected nodes for "${test.name}" should be collected`);
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start_next_test();
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});
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}
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start_next_test();
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</script>
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</pre>
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</body>
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</html>
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