public void RoundTripMinValueTest()
{
var converter = new DoubleConverter();
var s = converter.ConvertToString(double.MinValue, null, new MemberMapData(null));
var d = converter.ConvertFromString(s, null, new MemberMapData(null));
Assert.AreEqual(double.MinValue, d);
}
public static Unit Parse(String str)
{
if (str == null)
{
return(Unit.Empty);
}
str = str.Trim().ToLower(CultureInfo.InvariantCulture);
int length = str.Length;
int digitLength = -1;
for (int i = 0; i < length; i++)
{
char ch = str[i];
if ((ch < '0' || ch > '9') && (ch != '-' && ch != '.' && ch != ','))
{
break;
}
digitLength = i;
}
if (digitLength == -1)
{
// No digits in the width, we ignore this style
return(str == "auto"? Unit.Auto : Unit.Empty);
}
UnitMetric type;
if (digitLength < length - 1)
{
type = ConverterUtility.ConvertToUnitMetric(str.Substring(digitLength + 1).Trim());
}
else
{
type = UnitMetric.Pixel;
}
string v = str.Substring(0, digitLength + 1);
double value;
try
{
TypeConverter converter = new DoubleConverter();
value = (double)converter.ConvertFromString(null, CultureInfo.InvariantCulture, v);
if (value < Int16.MinValue || value > Int16.MaxValue)
{
return(Unit.Empty);
}
}
catch (FormatException)
{
return(Unit.Empty);
}
catch (ArithmeticException)
{
return(Unit.Empty);
}
return(new Unit(type, value));
}