chromium/base/allocator/partition_allocator/src/partition_alloc/memory_reclaimer_unittest.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "partition_alloc/memory_reclaimer.h"

#include <memory>
#include <utility>

#include "partition_alloc/build_config.h"
#include "partition_alloc/buildflags.h"
#include "partition_alloc/partition_alloc_base/compiler_specific.h"
#include "partition_alloc/partition_alloc_base/logging.h"
#include "partition_alloc/partition_alloc_config.h"
#include "partition_alloc/partition_alloc_for_testing.h"
#include "partition_alloc/shim/allocator_shim_default_dispatch_to_partition_alloc.h"
#include "testing/gtest/include/gtest/gtest.h"

#if PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && \
    PA_CONFIG(THREAD_CACHE_SUPPORTED)
#include "partition_alloc/extended_api.h"
#include "partition_alloc/thread_cache.h"
#endif

// Otherwise, PartitionAlloc doesn't allocate any memory, and the tests are
// meaningless.
#if !defined(MEMORY_TOOL_REPLACES_ALLOCATOR)

namespace partition_alloc {

namespace {

void HandleOOM(size_t unused_size) { … }

}  // namespace

class MemoryReclaimerTest : public ::testing::Test { … };

TEST_F(MemoryReclaimerTest, FreesMemory) { … }

TEST_F(MemoryReclaimerTest, Reclaim) { … }

#if PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && \
    PA_CONFIG(THREAD_CACHE_SUPPORTED)

namespace {
// malloc() / free() pairs can be removed by the compiler, this is enough (for
// now) to prevent that.
PA_NOINLINE void FreeForTest(void* data) { … }
}  // namespace

TEST_F(MemoryReclaimerTest, DoNotAlwaysPurgeThreadCache) { … }

#endif  // PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && \
        // PA_CONFIG(THREAD_CACHE_SUPPORTED)

}  // namespace partition_alloc

#endif  // !defined(MEMORY_TOOL_REPLACES_ALLOCATOR)