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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /devtools/server/tests/mochitest/test_memory_allocations_05.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'devtools/server/tests/mochitest/test_memory_allocations_05.html')
| -rw-r--r-- | devtools/server/tests/mochitest/test_memory_allocations_05.html | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/server/tests/mochitest/test_memory_allocations_05.html b/devtools/server/tests/mochitest/test_memory_allocations_05.html new file mode 100644 index 000000000..0eeb7bd16 --- /dev/null +++ b/devtools/server/tests/mochitest/test_memory_allocations_05.html @@ -0,0 +1,87 @@ +<!DOCTYPE HTML> +<html> +<!-- +Bug 1068144 - Test getting the timestamps for allocations. +--> +<head> + <meta charset="utf-8"> + <title>Memory monitoring actor test</title> + <script type="application/javascript" 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;version=1.8"></script> +<script> +window.onload = function() { + SimpleTest.waitForExplicitFinish(); + + Task.spawn(function* () { + var { memory, client } = yield startServerAndGetSelectedTabMemory(); + yield memory.attach(); + + var allocs = []; + function allocator() { + allocs.push(new Object); + } + + // Using setTimeout results in wildly varying delays that make it hard to + // test our timestamps and results in intermittent failures. Instead, we + // actually spin an empty loop for a whole millisecond. + function actuallyWaitOneWholeMillisecond() { + var start = window.performance.now(); + while (window.performance.now() - start < 1.000) ; + } + + yield memory.startRecordingAllocations(); + + allocator(); + actuallyWaitOneWholeMillisecond(); + allocator(); + actuallyWaitOneWholeMillisecond(); + allocator(); + + var response = yield memory.getAllocations(); + yield memory.stopRecordingAllocations(); + + ok(response.allocationsTimestamps, "The response should have timestamps."); + is(response.allocationsTimestamps.length, response.allocations.length, + "There should be a timestamp for every allocation."); + + var allocatorIndices = response.allocations + .map(function (a, idx) { + var frame = response.frames[a]; + if (frame && frame.functionDisplayName === "allocator") { + return idx; + } + }) + .filter(function (idx) { + return idx !== undefined; + }); + + is(allocatorIndices.length, 3, "Should have our 3 allocations from the `allocator` timeouts."); + + var lastTimestamp; + for (var i = 0; i < 3; i++) { + var timestamp = response.allocationsTimestamps[allocatorIndices[i]]; + info("timestamp", timestamp); + ok(timestamp, "We should have a timestamp for the `allocator` allocation."); + + if (lastTimestamp) { + var delta = timestamp - lastTimestamp; + info("delta since last timestamp", delta); + ok(delta >= 1 /* ms */, + "The timestamp should be about 1 ms after the last timestamp."); + } + + lastTimestamp = timestamp; + } + + yield memory.detach(); + destroyServerAndFinish(client); + }); +}; +</script> +</pre> +</body> +</html> |