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