Method TestReallocate

cpp/src/arrow/memory_pool_test.h:69–91

  }

  void TestReallocate() {
    auto pool = memory_pool();

    uint8_t* data;
    ASSERT_OK(pool->Allocate(10, &data));
    ASSERT_EQ(10, pool->bytes_allocated());
    data[0] = 35;
    data[9] = 12;

    // Expand
    ASSERT_OK(pool->Reallocate(10, 20, &data));
    ASSERT_EQ(data[9], 12);
    ASSERT_EQ(20, pool->bytes_allocated());

    // Shrink
    ASSERT_OK(pool->Reallocate(20, 5, &data));
    ASSERT_EQ(data[0], 35);
    ASSERT_EQ(5, pool->bytes_allocated());

    // Free
    pool->Free(data, 5);
    ASSERT_EQ(0, pool->bytes_allocated());
  }

  void TestAlignment() {
    auto pool = memory_pool();