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Add regression test for issue 507979.

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Regression test for CL 3eb91e8aec.

BUG=chromium:507979
LOG=N

Review URL: https://codereview.chromium.org/1255173002

Cr-Commit-Position: refs/heads/master@{#29873}
This commit is contained in:
mlippautz 2015-07-27 06:29:14 -07:00 committed by Commit bot
parent 607ef7c600
commit 05aedb7738
1 changed files with 25 additions and 0 deletions
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25
test/cctest/test-heap.cc
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@ -5282,6 +5282,31 @@ TEST(Regress357137) {
}
TEST(Regress507979) {
const int kFixedArrayLen = 10;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
Heap* heap = isolate->heap();
HandleScope handle_scope(isolate);
Handle<FixedArray> o1 = isolate->factory()->NewFixedArray(kFixedArrayLen);
Handle<FixedArray> o2 = isolate->factory()->NewFixedArray(kFixedArrayLen);
CHECK(heap->InNewSpace(o1->address()));
CHECK(heap->InNewSpace(o2->address()));
HeapIterator it(heap, i::HeapIterator::kFilterUnreachable);
// Replace parts of an object placed before a live object with a filler. This
// way the filler object shares the mark bits with the following live object.
o1->Shrink(kFixedArrayLen - 1);
for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
// Let's not optimize the loop away.
CHECK(obj->address() != nullptr);
}
}
TEST(ArrayShiftSweeping) {
i::FLAG_expose_gc = true;
CcTest::InitializeVM();