EXPECT_EQ(mem->size, 2 * sizeof(int));
    free(mem->opaque);
    mem->opaque = nullptr;
    mem->size = 0;
  };
  StreamExecutor* executor = GetExecutor(0);
  DeviceMemory<int> mem = executor->AllocateArray<int>(2);
  ASSERT_NE(mem.opaque(), nullptr);
  ASSERT_EQ(mem.size(), 2 * sizeof(int));
  executor->Deallocate(&mem);
}

TEST_F(StreamExecutorTest, HostMemoryAllocate) {