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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 take diffs between censuses.
const BREAKDOWN = {
by: "objectClass",
then: { by: "count", count: true, bytes: false },
other: { by: "count", count: true, bytes: false },
};
add_task(async function () {
const client = new HeapAnalysesClient();
const markers = [allocationMarker()];
const firstSnapshotFilePath = saveNewHeapSnapshot();
// Allocate and hold an additional AllocationMarker object so we can see it in
// the next heap snapshot.
markers.push(allocationMarker());
const secondSnapshotFilePath = saveNewHeapSnapshot();
await client.readHeapSnapshot(firstSnapshotFilePath);
await client.readHeapSnapshot(secondSnapshotFilePath);
ok(true, "Should have read both heap snapshot files");
const { delta } = await client.takeCensusDiff(
firstSnapshotFilePath,
secondSnapshotFilePath,
{ breakdown: BREAKDOWN }
);
equal(
delta.AllocationMarker.count,
1,
"There exists one new AllocationMarker in the second heap snapshot"
);
const { delta: deltaTreeNode } = await client.takeCensusDiff(
firstSnapshotFilePath,
secondSnapshotFilePath,
{ breakdown: BREAKDOWN },
{ asTreeNode: true }
);
// Have to manually set these because symbol properties aren't structured
// cloned.
delta[CensusUtils.basisTotalBytes] = deltaTreeNode.totalBytes;
delta[CensusUtils.basisTotalCount] = deltaTreeNode.totalCount;
compareCensusViewData(
BREAKDOWN,
delta,
deltaTreeNode,
"Returning delta-census as a tree node represents same data as the report"
);
client.destroy();
});
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