79 lines
2.2 KiB
HTML
79 lines
2.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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Bug 1067491 - Test that frames keep the same index while we are recording.
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-->
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<head>
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<meta charset="utf-8">
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<title>Memory monitoring actor test</title>
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<script type="application/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 src="memory-helpers.js" type="application/javascript;version=1.8"></script>
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<script>
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window.onload = function() {
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SimpleTest.waitForExplicitFinish();
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Task.spawn(function* () {
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var { memory, client } = yield startServerAndGetSelectedTabMemory();
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yield memory.attach();
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yield memory.startRecordingAllocations();
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// Allocate twice with the exact same stack (hence setTimeout rather than
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// allocating directly in the generator), but with getAllocations() calls in
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// between.
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var allocs = [];
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function allocator() {
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allocs.push({});
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}
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setTimeout(allocator, 1);
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yield waitForTime(2);
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var first = yield memory.getAllocations();
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setTimeout(allocator, 1);
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yield waitForTime(2);
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var second = yield memory.getAllocations();
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yield memory.stopRecordingAllocations();
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// Assert that each frame in the first response has the same index in the
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// second response. This isn't commutative, so we don't check that all
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// of the second response's frames are the same in the first response,
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// because there might be new allocations that happen after the first query
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// but before the second.
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function assertSameFrame(a, b) {
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info("Checking frames at index " + i + ":");
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info(" First frame = " + JSON.stringify(a, null, 4));
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info(" Second frame = " + JSON.stringify(b, null, 4));
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is(!!a, !!b);
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if (!a || !b) {
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return;
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}
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is(a.source, b.source);
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is(a.line, b.line);
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is(a.column, b.column);
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is(a.functionDisplayName, b.functionDisplayName);
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is(a.parent, b.parent);
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}
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for (var i = 0; i < first.frames.length; i++) {
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assertSameFrame(first.frames[i], second.frames[i]);
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}
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yield memory.detach();
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destroyServerAndFinish(client);
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});
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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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