public void ReceivesExceptionIfParameterBandsAreInappropriate()
{
try
{
var propertyDecoder = new ResisterPropertyDecoder();
propertyDecoder.CalculateOhmValue("PK", "RD", "WH", "OG");
Assert.Fail();
}
catch (Exception exc)
{
}
try
{
//Tolerance value fault
var propertyDecoder = new ResisterPropertyDecoder();
propertyDecoder.CalculateOhmValue("WH", "VT", "BK", "PK");
Assert.Fail();
}
catch (Exception exc)
{
}
try
{
//Multiplier value fault
var propertyDecoder = new ResisterPropertyDecoder();
propertyDecoder.CalculateOhmValue("BK", "BN", "None", "RD");
Assert.Fail();
}
catch (Exception exc)
{
}
}
public void ReceivesExceptionIfParameterNamesAreInvalid()
{
try
{
var propertyDecoder = new ResisterPropertyDecoder();
propertyDecoder.CalculateOhmValue("", "asdfasdf", "brandBColor", "White");
Assert.Fail();
}
catch (Exception exc)
{
}
}
public void WillNotOverflowOnCalcuation()
{
try
{
var propertyDecoder = new ResisterPropertyDecoder();
propertyDecoder.CalculateOhmValue("WH", "WH", "WH", "M");
}
catch (ArithmeticException exc)
{
Assert.Fail(exc.Message);
}
catch (Exception exc)
{
Assert.Fail(exc.Message);
}
}
public void ProducesNumericResultForCorrectBandConfiguration()
{
var propertyDecoder = new ResisterPropertyDecoder();
Assert.AreEqual(propertyDecoder.CalculateOhmValue("GN", "BU", "BN", "BN"), 565); //560 ohms + 1% truncating the decimal per Json's feedback.
}