62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/memory/discardable_memory.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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#if defined(OS_ANDROID) || defined(OS_MACOSX)
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// Test Lock() and Unlock() functionalities.
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TEST(DiscardableMemoryTest, LockAndUnLock) {
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ASSERT_TRUE(DiscardableMemory::Supported());
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const size_t size = 1024;
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DiscardableMemory memory;
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ASSERT_TRUE(memory.InitializeAndLock(size));
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void* addr = memory.Memory();
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ASSERT_NE(static_cast<void*>(NULL), addr);
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memory.Unlock();
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// The system should have no reason to purge discardable blocks in this brief
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// interval, though technically speaking this might flake.
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EXPECT_EQ(DISCARDABLE_MEMORY_SUCCESS, memory.Lock());
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addr = memory.Memory();
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ASSERT_NE(static_cast<void*>(NULL), addr);
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memory.Unlock();
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}
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// Test delete a discardable memory while it is locked.
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TEST(DiscardableMemoryTest, DeleteWhileLocked) {
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ASSERT_TRUE(DiscardableMemory::Supported());
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const size_t size = 1024;
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DiscardableMemory memory;
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ASSERT_TRUE(memory.InitializeAndLock(size));
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}
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#if defined(OS_MACOSX)
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// Test forced purging.
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TEST(DiscardableMemoryTest, Purge) {
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ASSERT_TRUE(DiscardableMemory::Supported());
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ASSERT_TRUE(DiscardableMemory::PurgeForTestingSupported());
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const size_t size = 1024;
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DiscardableMemory memory;
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ASSERT_TRUE(memory.InitializeAndLock(size));
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memory.Unlock();
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DiscardableMemory::PurgeForTesting();
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EXPECT_EQ(DISCARDABLE_MEMORY_PURGED, memory.Lock());
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}
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#endif // OS_MACOSX
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#endif // OS_*
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}
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