/// <summary>
/// Extends ConvertTo so that methods that return a specific type object given a Type parameter can be
/// used as generic method and casting is not required.
/// <example>
/// multilinestringconverter.ConvertTo<int>(context, culture, value);
/// </example>
/// </summary>
public static T ConvertTo <T>(this MultilineStringConverter multilinestringconverter, ITypeDescriptorContext context, System.Globalization.CultureInfo culture, Object value)
{
if (multilinestringconverter == null)
{
throw new ArgumentNullException("multilinestringconverter");
}
return((T)multilinestringconverter.ConvertTo(context, culture, value, typeof(T)));
}
/// <summary>
/// Extends ConvertTo so that methods that return a specific type object given a Type parameter can be
/// used as generic method and casting is not required.
/// <example>
/// typeconverter.ConvertTo<int>(value);
/// </example>
/// </summary>
public static T ConvertTo <T>(this MultilineStringConverter typeconverter, Object value)
{
if (typeconverter == null)
{
throw new ArgumentNullException("typeconverter");
}
return((T)typeconverter.ConvertTo(value, typeof(T)));
}
public void ConvertTo()
{
var cvt = new MultilineStringConverter();
AssertThrows <ArgumentNullException> (() =>
{
cvt.ConvertTo(null, null, "string", null);
}, "#A1-1");
AssertThrows <NotSupportedException> (() =>
{
cvt.ConvertTo(null, null, "string", typeof(int));
}, "#A1-2");
AssertThrows <NotSupportedException> (() =>
{
cvt.ConvertTo(null, null, "string", typeof(double));
}, "#A1-3");
object result = cvt.ConvertTo(null, null, "string", typeof(string));
Assert.IsNotNull(result, "#A2-1");
Assert.IsTrue(result.GetType() == typeof(string), "#A2-2");
Assert.AreEqual("(Text)", (string)result, "#A2-3");
string orig = @"This
is
a
multiline
string";
result = cvt.ConvertTo(null, null, orig, typeof(string));
Assert.IsNotNull(result, "#A3-1");
Assert.IsTrue(result.GetType() == typeof(string), "#A3-2");
Assert.AreEqual("(Text)", (string)result, "#A3-3");
result = cvt.ConvertTo(null, null, 1234, typeof(string));
Assert.IsNotNull(result, "#A4-1");
Assert.IsTrue(result.GetType() == typeof(string), "#A4-2");
Assert.AreEqual("1234", (string)result, "#A4-3");
}