| Index: third_party/WebKit/LayoutTests/webaudio/internals/scriptprocessornode-premature-death.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/internals/scriptprocessornode-premature-death.html b/third_party/WebKit/LayoutTests/webaudio/internals/scriptprocessornode-premature-death.html
|
| index a63d7ca1584b5e8b01597628460f27f7d52f3e93..76d94e50e2192665e442aa2b81ea26df0176f217 100644
|
| --- a/third_party/WebKit/LayoutTests/webaudio/internals/scriptprocessornode-premature-death.html
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/internals/scriptprocessornode-premature-death.html
|
| @@ -1,87 +1,99 @@
|
| <!DOCTYPE html>
|
| -<script src="../../resources/js-test.js"></script>
|
| -<body>
|
| -<script>
|
| -description('Tests that a script processor node is not prematurely GCed');
|
| -window.jsTestIsAsync = true;
|
| -
|
| -if (!window.internals) {
|
| - testFailed('This test requires window.internals.');
|
| - finishJSTest();
|
| -}
|
| -
|
| -let wasCalled, wasCollectedPrematurely, savedNode, savedCallback;
|
| -
|
| -function test(saveReference, nextStep) {
|
| - debug('Testing ' + (saveReference ? 'with' : 'without') + ' explicitly ' +
|
| - 'keeping a reference to the script processor node alive.');
|
| -
|
| - // Create an audio context
|
| - let context = new OfflineAudioContext(
|
| - 2, // channels
|
| - 4096, // length (frames)
|
| - 44100.0); // sample rate
|
| -
|
| - // Set up a source, reading from an empty buffer
|
| - let source = context.createBufferSource();
|
| - source.buffer = context.createBuffer(
|
| - 2, // source channels
|
| - 4096, // length (frames)
|
| - 44100.0); // sample rate
|
| -
|
| - // Set up a script processor node to generate something
|
| - let node = context.createScriptProcessor(
|
| - 512, // buffer size
|
| - 0, // input channels
|
| - 2); // output channels
|
| -
|
| - // source -> script processor node -> destination
|
| - source.connect(node);
|
| - node.connect(context.destination);
|
| -
|
| - // Set up something which indicates whether we're called to
|
| - // generate anything
|
| -
|
| - wasCalled = false;
|
| - let callback = function () { wasCalled = true; };
|
| - node.onaudioprocess = callback;
|
| -
|
| - if (saveReference) {
|
| - savedNode = node;
|
| - savedCallback = callback;
|
| - }
|
| -
|
| - // Watch the callback; if it dies, we're obviously not generating anything
|
| -
|
| - let observation = internals.observeGC(callback);
|
| - node = callback = null;
|
| - gc();
|
| - wasCollectedPrematurely = observation.wasCollected;
|
| -
|
| - // Make some noise!
|
| -
|
| - source.start(0);
|
| - context.oncomplete = check(nextStep);
|
| - context.startRendering();
|
| -}
|
| -
|
| -function check(nextStep) {
|
| - return function () {
|
| - shouldBeFalse('wasCollectedPrematurely');
|
| - shouldBeTrue('wasCalled');
|
| - nextStep();
|
| - };
|
| -}
|
| -
|
| -function step1() {
|
| - test(true, step2);
|
| -}
|
| -
|
| -function step2() {
|
| - test(false, finishJSTest);
|
| -}
|
| -
|
| -step1();
|
| -
|
| -window.successfullyParsed = true;
|
| -</script>
|
| +<html>
|
| + <head>
|
| + <title>
|
| + scriptprocessornode-premature-death.html
|
| + </title>
|
| + <script src="../../resources/js-test.js"></script>
|
| + </head>
|
| + <body>
|
| + <script id="layout-test-code">
|
| + description('Tests that a script processor node is not prematurely GCed');
|
| + window.jsTestIsAsync = true;
|
| +
|
| + if (!window.internals) {
|
| + testFailed('This test requires window.internals.');
|
| + finishJSTest();
|
| + }
|
| +
|
| + let wasCalled, wasCollectedPrematurely, savedNode, savedCallback;
|
| +
|
| + function test(saveReference, nextStep) {
|
| + debug(
|
| + 'Testing ' + (saveReference ? 'with' : 'without') + ' explicitly ' +
|
| + 'keeping a reference to the script processor node alive.');
|
| +
|
| + // Create an audio context
|
| + let context = new OfflineAudioContext(
|
| + 2, // channels
|
| + 4096, // length (frames)
|
| + 44100.0); // sample rate
|
| +
|
| + // Set up a source, reading from an empty buffer
|
| + let source = context.createBufferSource();
|
| + source.buffer = context.createBuffer(
|
| + 2, // source channels
|
| + 4096, // length (frames)
|
| + 44100.0); // sample rate
|
| +
|
| + // Set up a script processor node to generate something
|
| + let node = context.createScriptProcessor(
|
| + 512, // buffer size
|
| + 0, // input channels
|
| + 2); // output channels
|
| +
|
| + // source -> script processor node -> destination
|
| + source.connect(node);
|
| + node.connect(context.destination);
|
| +
|
| + // Set up something which indicates whether we're called to
|
| + // generate anything
|
| +
|
| + wasCalled = false;
|
| + let callback = function() {
|
| + wasCalled = true;
|
| + };
|
| + node.onaudioprocess = callback;
|
| +
|
| + if (saveReference) {
|
| + savedNode = node;
|
| + savedCallback = callback;
|
| + }
|
| +
|
| + // Watch the callback; if it dies, we're obviously not generating
|
| + // anything
|
| +
|
| + let observation = internals.observeGC(callback);
|
| + node = callback = null;
|
| + gc();
|
| + wasCollectedPrematurely = observation.wasCollected;
|
| +
|
| + // Make some noise!
|
| +
|
| + source.start(0);
|
| + context.oncomplete = check(nextStep);
|
| + context.startRendering();
|
| + }
|
| +
|
| + function check(nextStep) {
|
| + return function() {
|
| + shouldBeFalse('wasCollectedPrematurely');
|
| + shouldBeTrue('wasCalled');
|
| + nextStep();
|
| + };
|
| + }
|
| +
|
| + function step1() {
|
| + test(true, step2);
|
| + }
|
| +
|
| + function step2() {
|
| + test(false, finishJSTest);
|
| + }
|
| +
|
| + step1();
|
| +
|
| + window.successfullyParsed = true;
|
| + </script>
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 2895963003:
Apply layout-test-tidy to LayoutTests/webaudio (Closed)
