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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /devtools/server/tests/chrome/test_memory_allocations_04.html | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | devtools/server/tests/chrome/test_memory_allocations_04.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_memory_allocations_04.html b/devtools/server/tests/chrome/test_memory_allocations_04.html new file mode 100644 index 0000000000..8bb64c591c --- /dev/null +++ b/devtools/server/tests/chrome/test_memory_allocations_04.html @@ -0,0 +1,62 @@ +<!DOCTYPE HTML> +<html> +<!-- +Bug 1068171 - Test controlling the memory actor's allocation sampling probability. +--> +<head> + <meta charset="utf-8"> + <title>Memory monitoring actor test</title> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> +</head> +<body> +<pre id="test"> +<script src="memory-helpers.js" type="application/javascript"></script> +<script> +"use strict"; + +window.onload = function() { + SimpleTest.waitForExplicitFinish(); + + (async function() { + const { memory, target } = await startServerAndGetSelectedTabMemory(); + await memory.attach(); + + const allocs = []; + function allocator() { + for (let i = 0; i < 100; i++) { + allocs.push({}); + } + } + + const testProbability = async function(p, expected) { + info("probability = " + p); + await memory.startRecordingAllocations({ + probability: p, + }); + allocator(); + const response = await memory.getAllocations(); + await memory.stopRecordingAllocations(); + return response.allocations.length; + }; + + is((await testProbability(0.0)), 0, + "With probability = 0.0, we shouldn't get any allocations."); + + ok((await testProbability(1.0)) >= 100, + "With probability = 1.0, we should get all 100 allocations (plus " + + "whatever allocations the actor and SpiderMonkey make)."); + + // We don't test any other probabilities because the test would be + // non-deterministic. We don't have a way to control the PRNG like we do in + // jit-tests + // (js/src/jit-test/tests/debug/Memory-allocationsSamplingProbability-*.js). + + await memory.detach(); + destroyServerAndFinish(target); + })(); +}; +</script> +</pre> +</body> +</html> |