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Try to unflake AllocatorTest.TestAlignmentPastSlab

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217331 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hans Wennborg 2014-09-07 05:14:29 +00:00
parent 4f240010fd
commit 3f09227292
1 changed files with 4 additions and 3 deletions

7
unittests/Support/AllocatorTest.cpp

@ -118,10 +118,11 @@ TEST(AllocatorTest, TestSmallSlabSize) {
// Test requesting alignment that goes past the end of the current slab.
TEST(AllocatorTest, TestAlignmentPastSlab) {
BumpPtrAllocator Alloc;
Alloc.Allocate(1234, 1);
Alloc.Allocate(4095, 1);
// Any attempt to align the pointer in the current slab would move it beyond
// the end of that slab.
// Aligning the current slab pointer is likely to move it past the end of the
// slab, which would confuse any unsigned comparisons with the difference of
// the the end pointer and the aligned pointer.
Alloc.Allocate(1024, 8192);
EXPECT_EQ(2U, Alloc.GetNumSlabs());