public void BinaryValue_SumInDecimal_inputOne_1111111111111111111111111111111_inputTwo_1_should_return_valid_decimal() { // Arrange var inputOne = new BinaryValue("1111111111111111111111111111111"); var inputTwo = new BinaryValue("1"); var expectedDecimal = 2147483648; // Act var actualDecimal = BinaryValue.SumInDecimal(inputOne, inputTwo); // Assert Assert.AreEqual(expectedDecimal, actualDecimal, "converting addition to decimal: 2147483648"); }