skia2/tests/OverAlignedTest.cpp
Mike Klein ed924ceffb Focus -Wno-over-aligned to just 32-bit x86 Android.
I've even found the code that's making this happen, just don't know why.
I've added a test to assert that it's safe to assume malloc() is 8-byte aligned.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2662

CQ_INCLUDE_TRYBOTS=master.client.skia.android:Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-GN_Android-Trybot

Change-Id: If8a2898ab3a77571622eb125c97f676e029b902c
Reviewed-on: https://skia-review.googlesource.com/2662
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2016-09-27 10:33:03 +00:00

23 lines
701 B
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkRandom.h"
// Clang seems to think only 32-bit alignment is guaranteed on 32-bit x86 Android.
// See https://reviews.llvm.org/D8357
// This is why we have disabled -Wover-aligned there (we allocate 8-byte aligned structs in Ganesh).
DEF_TEST(OverAligned, r) {
SkRandom rand;
// Let's test that assertion. We think it really should be providing 8-byte alignment.
for (int i = 0; i < 1000; i++) {
void* p = malloc(rand.nextRangeU(0,100));
REPORTER_ASSERT(r, SkIsAlign8(p));
free(p);
}
}