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Issue 11630004: DevTools: rename debugger/ to devtools/, move DevTools files into content/renderer/devtools. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: For landing Created 8 years ago
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1 <html>
2 <head>
3 <title>Heap Profiler: heap snapshots comparison test</title>
4 <script type="text/javascript">
5 var aHolder = [], bHolder = [], cHolder = [], dHolder = [];
6
7 function A(x) {
8 this.x = x;
9 }
10
11 function B(x) {
12 this.x = x;
13 }
14
15 function C() {}
16
17 var i;
18 for (i = 0; i < 100; ++i) {
19 var b = new B('hello');
20 bHolder.push(b);
21 aHolder.push(new A(b));
22 b = null;
23 }
24 for (i = 0; i < 25; ++i) {
25 cHolder.push(new C());
26 }
27
28 function D() {}
29
30 function changeStuff() {
31 if (aHolder.length > 0) {
32 aHolder.splice(aHolder.length - 25, 25);
33 }
34 for (i = 0; i < 25; ++i) {
35 bHolder.push(new B('hello'));
36 }
37 cHolder = [];
38 for (i = 0; i < 25; ++i) {
39 dHolder.push(new D());
40 }
41 }
42 </script>
43 </head>
44 <body>
45 This is the test for heap snapshot comparison functionality.
46 <br>
47 <br>
48 To use this test:
49 <ul>
50 <li>load file in the browser;
51 <li>open DevTools (Ctrl+Shift+I on Win/Linux, Command+Option+I on Mac);
52 <li>go to 'Profiles' page;
53 <li>press 'Take heap snapshot' button
54 (eye icon on the left side of the status bar);
55 <li>press
56 <input type="button" name="changeStuff" value="this button" onclick="cha ngeStuff()" />;
57 <li>press 'Take heap snapshot' button again;
58 </ul>
59 <br>
60 On the left pane under 'Heap snapshots' section, items called
61 'Snapshot 1' and 'Snapshot 2' must appear. Select 'Snapshot 2'.
62 Ensure that absolute values are shown (not percents).
63 <br>
64 <br>
65 TEST 1. Verify the following:
66 <ul>
67 <li>the value in '+/- Count' column for 'A' must be '-25';
68 <li>after expanding 'A' item, the value in '+/- Count' column
69 for 'Array' child entry must also be '-25';
70 <li>the value in '+/- Count' column for 'B' must be '+25';
71 <li>after expanding 'B' item, the value in '+/- Count' column
72 for 'Array' child entry must also be '+25'; the value for 'A'
73 child must be '-25';
74 </ul>
75 <br>
76 TEST 2. Change display to percent view (using the percent button on the
77 status bar). Verify the following:
78 <ul>
79 <li>values in '+/- Count' and '+/- Size' columns for 'C' must be 'deleted' ;
80 <li>values in '+/- Count' and '+/- Size' columns for 'D' must be 'new';
81 </ul>
82 </body>
83 </html>
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