chromium/third_party/dawn/src/dawn/tests/unittests/BuddyMemoryAllocatorTests.cpp

// Copyright 2019 The Dawn & Tint Authors
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#include <memory>
#include <set>
#include <utility>
#include <vector>

#include "dawn/native/BuddyMemoryAllocator.h"
#include "dawn/native/PooledResourceMemoryAllocator.h"
#include "dawn/native/ResourceHeapAllocator.h"
#include "gtest/gtest.h"

namespace dawn::native {

class PlaceholderResourceHeapAllocator : public ResourceHeapAllocator { … };

class PlaceholderBuddyResourceAllocator { … };

// Verify a single resource allocation in a single heap.
TEST(BuddyMemoryAllocatorTests, SingleHeap) { … }

// Verify that multiple allocation are created in separate heaps.
TEST(BuddyMemoryAllocatorTests, MultipleHeaps) { … }

// Verify multiple sub-allocations can re-use heaps.
TEST(BuddyMemoryAllocatorTests, MultipleSplitHeaps) { … }

// Verify resource sub-allocation of various sizes over multiple heaps.
TEST(BuddyMemoryAllocatorTests, MultiplSplitHeapsVariableSizes) { … }

// Verify resource sub-allocation of same sizes with various alignments.
TEST(BuddyMemoryAllocatorTests, SameSizeVariousAlignment) { … }

// Verify resource sub-allocation of various sizes with same alignments.
TEST(BuddyMemoryAllocatorTests, VariousSizeSameAlignment) { … }

// Verify allocating a very large resource does not overflow.
TEST(BuddyMemoryAllocatorTests, AllocationOverflow) { … }

// Verify resource heaps will be reused from a pool.
TEST(BuddyMemoryAllocatorTests, ReuseFreedHeaps) { … }

// Verify resource heaps that were reused from a pool can be destroyed.
TEST(BuddyMemoryAllocatorTests, DestroyHeaps) { … }

}  // namespace dawn::native