Method TestReleaseUnused

cpp/src/arrow/memory_pool_test.h:110–116

  }

  void TestReleaseUnused() {
    auto pool = memory_pool();
    const int64_t nbytes = pool->bytes_allocated();
    pool->ReleaseUnused();
    // Unfortunately there's not much that we can assert here
    ASSERT_EQ(nbytes, pool->bytes_allocated());
  }
};

}  // namespace arrow