base/test/test_discardable_memory_allocator.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_
   6 #define BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_
   7
   8 #include "base/memory/discardable_memory_allocator.h"
   9
  10 namespace base {
  11
  12 // TestDiscardableMemoryAllocator is a simple DiscardableMemoryAllocator
  13 // implementation that can be used for testing. It allocates one-shot
  14 // DiscardableMemory instances backed by heap memory.
  15 class TestDiscardableMemoryAllocator : public DiscardableMemoryAllocator {
  16  public:
  17   TestDiscardableMemoryAllocator();
  18   ~TestDiscardableMemoryAllocator() override;
  19
  20   // Overridden from DiscardableMemoryAllocator:
  21   scoped_ptr<DiscardableMemory> AllocateLockedDiscardableMemory(
  22       size_t size) override;
  23
  24  private:
  25   DISALLOW_COPY_AND_ASSIGN(TestDiscardableMemoryAllocator);
  26 };
  27
  28 }  // namespace base
  29
  30 #endif  // BASE_TEST_TEST_DISCARDABLE_MEMORY_ALLOCATOR_H_