1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* 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();
});
|
