| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ |
| #define BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ |
| |
| #include <stddef.h> |
| |
| #include "base/memory/discardable_memory_allocator.h" |
| |
| namespace base { |
| |
| // TestDiscardableMemoryAllocator is a simple DiscardableMemoryAllocator |
| // implementation that can be used for testing. It allocates one-shot |
| // DiscardableMemory instances backed by heap memory. |
| class TestDiscardableMemoryAllocator : public DiscardableMemoryAllocator { |
| public: |
| TestDiscardableMemoryAllocator() = default; |
| |
| TestDiscardableMemoryAllocator(const TestDiscardableMemoryAllocator&) = |
| delete; |
| TestDiscardableMemoryAllocator& operator=( |
| const TestDiscardableMemoryAllocator&) = delete; |
| |
| // Overridden from DiscardableMemoryAllocator: |
| std::unique_ptr<DiscardableMemory> AllocateLockedDiscardableMemory( |
| size_t size) override; |
| |
| size_t GetBytesAllocated() const override; |
| |
| void ReleaseFreeMemory() override { |
| // Do nothing since it is backed by heap memory. |
| } |
| }; |
| |
| } // namespace base |
| |
| #endif // BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_ |