skia2/tests/OverAlignedTest.cpp

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/*
* 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 = sk_malloc_throw(rand.nextRangeU(0,100));
REPORTER_ASSERT(r, SkIsAlign8((uintptr_t)p));
sk_free(p);
}
}