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description(
"This test checks whether the GC collects after string appends."
);
// FIXME: This test appears to be highly tied to the details of how JS strings report memory
// cost to the garbage collector. It should be improved to be less tied to these implementation details.
// <https://bugs.webkit.org/show_bug.cgi?id=20871>
if (window.layoutTestController)
layoutTestController.dumpAsText();
if (window.GCController)
GCController.collect();
// str has 150 chars in it (which is greater than the limit of the GC to ignore which I believe is at 128).
var str = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
var count = 500;
for (var i = 0; i < count; ++i) {
str += "b";
}
// str has 128 chars in it.
str = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890";
count = 10;
for (var i = 0; i < count; ++i) {
str += str;
}
var jsObjCount = 0;
if (window.GCController)
jsObjCount = GCController.getJSObjectCount();
if (jsObjCount <= 500 && jsObjCount > 0)
testPassed("Garbage Collector triggered")
else
testFailed("Garbage Collector NOT triggered. Number of JSObjects: " + jsObjCount);
var successfullyParsed = true;
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