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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that the HeapAnalyses{Client,Worker} can get a HeapSnapshot's
// creation time.
function waitForThirtyMilliseconds() {
const start = Date.now();
while (Date.now() - start < 30) {
// do nothing
}
}
const BREAKDOWN = {
by: "internalType",
then: { by: "count", count: true, bytes: true },
};
add_task(async function() {
const client = new HeapAnalysesClient();
const start = Date.now() * 1000;
// Because Date.now() is less precise than the snapshot's time stamp, give it
// a little bit of head room. Additionally, WinXP's timers have a granularity
// of only +/-15 ms.
waitForThirtyMilliseconds();
const snapshotFilePath = saveNewHeapSnapshot();
waitForThirtyMilliseconds();
const end = Date.now() * 1000;
await client.readHeapSnapshot(snapshotFilePath);
ok(true, "Should have read the heap snapshot");
let threw = false;
try {
await client.getCreationTime("/not/a/real/path", {
breakdown: BREAKDOWN,
});
} catch (_) {
threw = true;
}
ok(threw, "getCreationTime should throw when snapshot does not exist");
const time = await client.getCreationTime(snapshotFilePath, {
breakdown: BREAKDOWN,
});
dumpn("Start = " + start);
dumpn("End = " + end);
dumpn("Time = " + time);
ok(time >= start, "creation time occurred after start");
ok(time <= end, "creation time occurred before end");
client.destroy();
});
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