public void VoidEntityVoidIndicatorComparisonReturnsTrue()
        {
            AccountingTransactionLine          a = null;
            AccountingTransactionLineIndicator b = null;
            var actual         = a == b;
            var actualReversed = b == a;

            Assert.AreEqual(true, actual);
            Assert.AreEqual(true, actualReversed);
        }
        public void EqualsOperatorComparesEntityNotIndicatorToNull()
        {
            var line = new AccountingTransactionLine()
            {
            };
            var actual         = line == null;
            var actualReversed = null == line;

            Assert.AreEqual(false, actual);
            Assert.AreEqual(false, actualReversed);
        }