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base / test / test_discardable_memory_allocator.h [blame]
// 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_