public void AppendRule()
        {
            var rule = ReadModifyWriteRules.Append("cf", "c1", "abc");

            Assert.Equal("cf", rule.FamilyName);
            Assert.Equal("c1", rule.ColumnQualifier.ToStringUtf8());
            Assert.Equal("abc", rule.AppendValue.ToStringUtf8());
        }
 public void AppendRule_Validations(string familyName)
 {
     Assert.Throws <ArgumentException>(
         () => ReadModifyWriteRules.Append(familyName, "c1", "abc"));
 }