public void ConversionTest()
{
var f = new FormattableFormatter <UserDefinedFormattable>();
IFormatterEx <UserDefinedDrivedFormattable> fobj = f;
Assert.AreEqual("Hello world!", fobj.Format(new UserDefinedDrivedFormattable()));
}
/// <summary>
/// Returns a humanize string with a formatter that represents the current object.
/// </summary>
/// <typeparam name="T">The type of the object.</typeparam>
/// <param name="obj">The current object.</param>
/// <param name="formatter">The formatter.</param>
/// <returns>A humanize string.</returns>
/// <exception cref="ArgumentNullException">When <paramref name="obj"/> is <see langword="null"/> (<see langword="Nothing"/> in Visual Basic).</exception>
public static string ToStringEx <T>(this T obj, IFormatterEx <T> formatter)
{
if (formatter == null || !formatter.TargetType.IsAssignableFrom(typeof(T)))
{
return(obj.ToStringEx());
}
else
{
return(formatter.Format(obj));
}
}
/// <summary>
/// Returns a humanize string with a formatter that represents the current object.
/// </summary>
/// <param name="obj">The current object.</param>
/// <param name="formatter">The formatter.</param>
/// <returns>A humanize string.</returns>
/// <exception cref="ArgumentNullException">When <paramref name="obj"/> is <see langword="null"/> (<see langword="Nothing"/> in Visual Basic).</exception>
public static string ToStringEx(this object obj, IFormatterEx formatter)
{
if (formatter == null)
{
return(obj.ToStringEx());
}
else
{
return(formatter.Format(obj));
}
}