public void CalculateMethodShouldReturnExpectedResults() { Percent.CalculatePercentAmountFromValue(TestInt, Percent.Ten).Should().Be(TenPercentTestInt); Percent.CalculatePercentAmountFromValue(TestNegativeInt, Percent.Ten).Should().Be(-TenPercentTestInt); Percent.CalculatePercentAmountFromValue(TestLong, Percent.Ten).Should().Be(TenPercentTestInt); Percent.CalculatePercentAmountFromValue(TestNegativeLong, Percent.Ten).Should().Be(-TenPercentTestInt); Percent.CalculatePercentAmountFromValue(TestDecimal, Percent.Ten).Should().Be(TenPercentTestDecimal); Percent.CalculatePercentAmountFromValue(TestNegativeDecimal, Percent.Ten).Should().Be(-TenPercentTestDecimal); }