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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test the HeapAnalyses{Client,Worker} "getImmediatelyDominated" request.
const breakdown = {
by: "coarseType",
objects: { by: "count", count: true, bytes: true },
scripts: { by: "count", count: true, bytes: true },
strings: { by: "count", count: true, bytes: true },
other: { by: "count", count: true, bytes: true },
domNode: { by: "count", count: true, bytes: true },
};
add_task(async function() {
const client = new HeapAnalysesClient();
const snapshotFilePath = saveNewHeapSnapshot();
await client.readHeapSnapshot(snapshotFilePath);
const dominatorTreeId = await client.computeDominatorTree(snapshotFilePath);
const partialTree = await client.getDominatorTree({
dominatorTreeId,
breakdown,
});
ok(
!!partialTree.children.length,
"root should immediately dominate some nodes"
);
// First, test getting a subset of children available.
const response = await client.getImmediatelyDominated({
dominatorTreeId,
breakdown,
nodeId: partialTree.nodeId,
startIndex: 0,
maxCount: partialTree.children.length - 1,
});
ok(Array.isArray(response.nodes));
ok(response.nodes.every(node => node.parentId === partialTree.nodeId));
ok(response.moreChildrenAvailable);
equal(response.path.length, 1);
equal(response.path[0], partialTree.nodeId);
for (const node of response.nodes) {
equal(typeof node.shortestPaths, "object", "Should have shortest paths");
equal(
typeof node.shortestPaths.nodes,
"object",
"Should have shortest paths' nodes"
);
equal(
typeof node.shortestPaths.edges,
"object",
"Should have shortest paths' edges"
);
}
// Next, test getting a subset of children available.
const secondResponse = await client.getImmediatelyDominated({
dominatorTreeId,
breakdown,
nodeId: partialTree.nodeId,
startIndex: 0,
maxCount: Infinity,
});
ok(Array.isArray(secondResponse.nodes));
ok(secondResponse.nodes.every(node => node.parentId === partialTree.nodeId));
ok(!secondResponse.moreChildrenAvailable);
equal(secondResponse.path.length, 1);
equal(secondResponse.path[0], partialTree.nodeId);
for (const node of secondResponse.nodes) {
equal(typeof node.shortestPaths, "object", "Should have shortest paths");
equal(
typeof node.shortestPaths.nodes,
"object",
"Should have shortest paths' nodes"
);
equal(
typeof node.shortestPaths.edges,
"object",
"Should have shortest paths' edges"
);
}
client.destroy();
});
|