public void ConvertsEmptyStringToZeroWhenAllowed()
{
CustomNumberConverter verter = new CustomNumberConverter(typeof(int), null, true);
int actual = (int)verter.ConvertFrom(null, CultureInfo.CurrentUICulture, string.Empty);
Assert.AreEqual(0, actual);
}
public void ConvertFromSupportedNumericType()
{
Type[] numTypes = new Type[]
{
typeof(int),
typeof(uint),
typeof(short),
typeof(ushort),
typeof(long),
typeof(ulong),
typeof(float),
typeof(double),
};
int expected = 12;
foreach (Type numType in numTypes)
{
try
{
CustomNumberConverter verter = new CustomNumberConverter(numType, null, true);
object actual = verter.ConvertFrom(null, CultureInfo.CurrentUICulture, expected.ToString());
Assert.AreEqual(expected, actual);
}
catch (Exception ex)
{
Assert.Fail("Bailed when converting type '" + numType + "' : " + ex);
}
}
}
public void CanConvertFromString()
{
CustomNumberConverter verter = new CustomNumberConverter(typeof(int), null, true);
Assert.IsTrue(verter.CanConvertFrom(typeof(string)));
Assert.IsFalse(verter.CanConvertFrom(null));
}
public void ConvertFromNonSupportedNumericTypeOptionBails()
{
CustomNumberConverter verter
= new CustomNumberConverter(typeof(char), null, false);
Assert.Throws <NotSupportedException>(() => verter.ConvertFrom("12"));
}
public void BailsOnEmptyStringWhenNotAllowed()
{
CustomNumberConverter verter
= new CustomNumberConverter(typeof(int), null, false);
Assert.Throws <FormatException>(() => verter.ConvertFrom(null, CultureInfo.CurrentUICulture, string.Empty));
}
public void Instantiation()
{
CustomNumberConverter verter
= new CustomNumberConverter(typeof(int), null, true);
// mmm, this should still pass... it aint a number though
verter
= new CustomNumberConverter(typeof(bool), null, true);
}
public void ConvertFromNonSupportedOptionBails()
{
CustomNumberConverter verter = new CustomNumberConverter(typeof(int), null, false);
Assert.Throws <NotSupportedException>(() => verter.ConvertFrom(12));
}
