garbage-collect-after-string-appends.js-disabled revision cfb0617749a64f2e177386b030d46007b8c4b179
1description(
2"This test checks whether the GC collects after string appends."
3);
4
5// FIXME: This test appears to be highly tied to the details of how JS strings report memory
6// cost to the garbage collector.  It should be improved to be less tied to these implementation details.
7// <https://bugs.webkit.org/show_bug.cgi?id=20871>
8
9if (window.layoutTestController)
10    layoutTestController.dumpAsText();
11
12if (window.GCController)
13    GCController.collect();
14
15
16// str has 150 chars in it (which is greater than the limit of the GC to ignore which I believe is at 128).
17var str = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
18var count = 500;
19for (var i = 0; i < count; ++i) {
20    str += "b";
21}
22
23// str has 128 chars in it.
24str = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
25count = 10;
26for (var i = 0; i < count; ++i) {
27    str += str;
28}
29
30var jsObjCount = 0;
31if (window.GCController)
32    jsObjCount = GCController.getJSObjectCount();
33
34if (jsObjCount <= 500 && jsObjCount > 0)
35    testPassed("Garbage Collector triggered")
36else
37    testFailed("Garbage Collector NOT triggered. Number of JSObjects: " + jsObjCount);
38
39var successfullyParsed = true;
40