/
heap-snapshot-loader.html
160 lines (135 loc) · 5.36 KB
/
heap-snapshot-loader.html
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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
<html>
<head>
<script src="../../http/tests/inspector/inspector-test.js"></script>
<script src="heap-snapshot-test.js"></script>
<script>
function test()
{
InspectorTest.assertSnapshotEquals = function(reference, actual)
{
InspectorTest.assertEquals(JSON.stringify(reference), JSON.stringify(actual));
}
WebInspector.showPanel("profiles");
var source = InspectorTest.createHeapSnapshotMockRaw();
var sourceStringified = JSON.stringify(source);
var partSize = sourceStringified.length >> 3;
function injectMockProfile(overrideGetProfile, callback) {
var dispatcher = InspectorBackend._domainDispatchers["HeapProfiler"];
var panel = WebInspector.panels.profiles;
panel._reset();
dispatcher.addProfileHeader({
typeId: WebInspector.HeapSnapshotProfileType.TypeId,
title: "heapSnapshotSaveToFileTest",
uid: 42,
maxJSObjectId: 6
});
var profileHeader = panel._profiles[0];
function getHeapSnapshotMock(uid) {
for (var i = 0, l = sourceStringified.length; i < l; i += partSize)
dispatcher.addHeapSnapshotChunk(uid, sourceStringified.slice(i, i + partSize));
dispatcher.finishHeapSnapshot(uid);
}
function snapshotLoaded()
{
if (overrideGetProfile)
InspectorTest.override(HeapProfilerAgent, "getHeapSnapshot", getHeapSnapshotMock);
callback(profileHeader);
}
InspectorTest.addSniffer(profileHeader, "_snapshotReceived", snapshotLoaded);
InspectorTest.override(HeapProfilerAgent, "getHeapSnapshot", getHeapSnapshotMock);
panel.showProfile(profileHeader);
}
InspectorTest.runTestSuite([
function heapSnapshotLoaderTest(next)
{
var loader = new WebInspector.HeapSnapshotLoader();
for (var i = 0, l = sourceStringified.length; i < l; i += partSize)
loader.write(sourceStringified.slice(i, i + partSize));
loader.close();
var result = loader.buildSnapshot("JSHeapSnapshot");
result._nodes = new Uint32Array(result._nodes);
result._containmentEdges = new Uint32Array(result._containmentEdges);
InspectorTest.assertSnapshotEquals(new WebInspector.JSHeapSnapshot(InspectorTest.createHeapSnapshotMock()), result);
next();
},
function heapSnapshotSaveToFileTest(next)
{
function snapshotLoaded(profileHeader)
{
var savedSnapshotData;
function saveMock(url, data)
{
savedSnapshotData = data;
WebInspector.fileManager.savedURL(url);
}
InspectorTest.override(InspectorFrontendHost, "save", saveMock);
var oldAppend = InspectorFrontendHost.append;
InspectorFrontendHost.append = function appendMock(url, data)
{
savedSnapshotData += data;
WebInspector.fileManager.appendedToURL(url);
}
profileHeader.saveToFile();
InspectorTest.assertEquals(sourceStringified, savedSnapshotData, "Saved snapshot data");
InspectorFrontendHost.append = oldAppend;
next();
}
injectMockProfile(true, snapshotLoaded);
},
function heapSnapshotLoadFromFileTest(next)
{
var panel = WebInspector.panels.profiles;
var fileMock = {
name: "mock.heapsnapshot",
size: sourceStringified.length
};
InspectorTest.override(WebInspector.HeapProfileHeader.prototype, '_createFileReader', function(fileMock, delegate) {
return {
start: function(receiver) {
delegate.onTransferStarted(this);
receiver.write(sourceStringified);
delegate.onChunkTransferred(this);
receiver.close();
delegate.onTransferFinished(this);
},
loadedSize: function()
{
return fileMock.size;
},
fileSize: function()
{
return fileMock.size;
},
fileName: function()
{
return fileMock.name;
}
};
});
InspectorTest.addSniffer(WebInspector.HeapProfileHeader.prototype, "_snapshotReceived", function() { next(); });
panel._loadFromFile(fileMock);
},
function heapSnapshotRejectToSaveToFileTest(next)
{
function snapshotLoaded(profileHeader)
{
function saveMock(url, data)
{
InspectorTest.assertTrue(profileHeader.canSaveToFile());
next();
}
InspectorTest.override(InspectorFrontendHost, "save", saveMock);
profileHeader.saveToFile();
}
injectMockProfile(false, snapshotLoaded);
}
]);
}
</script>
</head>
<body onload="runTest()">
<p>
This test checks HeapSnapshots loader.
</p>
</body>
</html>