public void H5Aexists_by_nameTest1()
        {
            htri_t check = H5A.exists_by_name(m_v0_class_file, ".", ".");

            Assert.IsTrue(check >= 0);
            check = H5A.exists_by_name(m_v0_class_file, ".", "NAC");
            Assert.IsTrue(check >= 0);
            check = H5A.exists_by_name(m_v2_class_file, ".", "A");
            Assert.IsTrue(check >= 0);
        }