59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Test that the HeapAnalyses{Client,Worker} can get a HeapSnapshot's
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// creation time.
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function waitForThirtyMilliseconds() {
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const start = Date.now();
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while (Date.now() - start < 30) ;
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}
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function run_test() {
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run_next_test();
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}
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const BREAKDOWN = {
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by: "internalType",
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then: { by: "count", count: true, bytes: true }
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};
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add_task(function* () {
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const client = new HeapAnalysesClient();
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const start = Date.now() * 1000;
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// Because Date.now() is less precise than the snapshot's time stamp, give it
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// a little bit of head room. Additionally, WinXP's timers have a granularity
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// of only +/-15 ms.
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waitForThirtyMilliseconds();
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const snapshotFilePath = saveNewHeapSnapshot();
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waitForThirtyMilliseconds();
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const end = Date.now() * 1000;
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yield client.readHeapSnapshot(snapshotFilePath);
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ok(true, "Should have read the heap snapshot");
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let threw = false;
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try {
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yield client.getCreationTime("/not/a/real/path", {
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breakdown: BREAKDOWN
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});
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} catch (_) {
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threw = true;
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}
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ok(threw, "getCreationTime should throw when snapshot does not exist");
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let time = yield client.getCreationTime(snapshotFilePath, {
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breakdown: BREAKDOWN
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});
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dumpn("Start = " + start);
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dumpn("End = " + end);
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dumpn("Time = " + time);
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ok(time >= start, "creation time occurred after start");
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ok(time <= end, "creation time occurred before end");
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client.destroy();
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});
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