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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_POD_ARENA_TEST_HELPERS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_POD_ARENA_TEST_HELPERS_H_
#include "third_party/blink/renderer/platform/wtf/pod_arena.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"
#include <gtest/gtest.h>
namespace WTF {
namespace arena_test_helpers {
// An allocator for the PODArena which tracks the regions which have
// been allocated.
class TrackedAllocator final : public PODArena::FastMallocAllocator {
public:
static scoped_refptr<TrackedAllocator> Create() {
return base::AdoptRef(new TrackedAllocator);
}
void* Allocate(size_t size) override {
void* result = PODArena::FastMallocAllocator::Allocate(size);
allocated_regions_.push_back(result);
return result;
}
void Free(void* ptr) override {
size_t slot = allocated_regions_.Find(ptr);
ASSERT_NE(slot, kNotFound);
allocated_regions_.EraseAt(slot);
PODArena::FastMallocAllocator::Free(ptr);
}
bool IsEmpty() const { return !NumRegions(); }
int NumRegions() const { return allocated_regions_.size(); }
private:
TrackedAllocator() = default;
Vector<void*> allocated_regions_;
};
} // namespace arena_test_helpers
} // namespace WTF
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_POD_ARENA_TEST_HELPERS_H_
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