diff options
author | mtklein <mtklein@chromium.org> | 2014-08-28 14:10:05 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2014-08-28 14:10:05 -0700 |
commit | 0209e95cc2625a445c1cb6c4213d2182e5c832d7 (patch) | |
tree | 08c2a5c26bddb05543628e7509a75d00490c1558 /tests/RecordTest.cpp | |
parent | 23b406cc040d55b45acc96e63db5c2d5c934a53c (diff) |
Align all SkRecord::alloc() calls up to at least a pointer size.
This should make the LSAN bots able to see all our pointers.
BUG=skia:
R=reed@google.com, robertphillips@google.com, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/517073002
Diffstat (limited to 'tests/RecordTest.cpp')
-rw-r--r-- | tests/RecordTest.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/RecordTest.cpp b/tests/RecordTest.cpp index 2240ae9858..2a0e615516 100644 --- a/tests/RecordTest.cpp +++ b/tests/RecordTest.cpp @@ -78,3 +78,28 @@ DEF_TEST(Record, r) { #undef APPEND +template <typename T> +static bool is_aligned(const T* p) { + return (((uintptr_t)p) & (sizeof(T) - 1)) == 0; +} + +DEF_TEST(Record_Alignment, r) { + SkRecord record; + + // Of course a byte's always aligned. + REPORTER_ASSERT(r, is_aligned(record.alloc<uint8_t>())); + + // (If packed tightly, the rest below here would be off by one.) + + // It happens that the first implementation always aligned to 4 bytes, + // so these two were always correct. + REPORTER_ASSERT(r, is_aligned(record.alloc<uint16_t>())); + REPORTER_ASSERT(r, is_aligned(record.alloc<uint32_t>())); + + // These two are regression tests (void* only on 64-bit machines). + REPORTER_ASSERT(r, is_aligned(record.alloc<uint64_t>())); + REPORTER_ASSERT(r, is_aligned(record.alloc<void*>())); + + // We're not testing beyond sizeof(void*), which is where the current implementation will break. +} + |