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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webaudio/test/test_ScriptProcessorCollected1.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_ScriptProcessorCollected1.html')
-rw-r--r-- | dom/media/webaudio/test/test_ScriptProcessorCollected1.html | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_ScriptProcessorCollected1.html b/dom/media/webaudio/test/test_ScriptProcessorCollected1.html new file mode 100644 index 0000000000..8f05889d26 --- /dev/null +++ b/dom/media/webaudio/test/test_ScriptProcessorCollected1.html @@ -0,0 +1,77 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test ScriptProcessorNode in cycle with no listener is collected</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<script class="testbody" type="text/javascript"> + +SimpleTest.waitForExplicitFinish(); + +var observer = function(subject, topic, data) { + var id = parseInt(data); + var index = ids.indexOf(id); + if (index != -1) { + ok(true, "Collected AudioNode id " + id + " at index " + index); + ids.splice(index, 1); + } +} + +SpecialPowers.addObserver(observer, "webaudio-node-demise"); + +SimpleTest.registerCleanupFunction(function() { + if (observer) { + SpecialPowers.removeObserver(observer, "webaudio-node-demise"); + } +}); + +var ac = new AudioContext(); + +var testProcessor = ac.createScriptProcessor(256, 1, 0); +var delay = ac.createDelay(); +testProcessor.connect(delay); +delay.connect(testProcessor); + +var referenceProcessor = ac.createScriptProcessor(256, 1, 0); +var gain = ac.createGain(); +gain.connect(referenceProcessor); + +var processCount = 0; +testProcessor.onaudioprocess = function(event) { + ++processCount; + switch (processCount) { + case 1: + // Switch to listening to referenceProcessor; + referenceProcessor.onaudioprocess = event.target.onaudioprocess; + referenceProcessor = null; + event.target.onaudioprocess = null; + break; + case 2: + // There are no references to testProcessor and so GC can begin. + SpecialPowers.exactGC(function() { + SpecialPowers.removeObserver(observer, "webaudio-node-demise"); + observer = null; + event.target.onaudioprocess = null; + ok(!ids.length, "All expected nodes should be collected"); + SimpleTest.finish(); + }); + break; + } +}; + +function id(node) { + return SpecialPowers.getPrivilegedProps(node, "id"); +} + +// Nodes with these ids should be collected. +var ids = [ id(testProcessor), id(delay), id(gain) ]; +testProcessor = null; +delay = null; +gain = null; + +</script> +</pre> +</body> +</html> |