public void TestFaultyStringToDoubleConversion()
 {
     DoubleStringConverter conv = new DoubleStringConverter();
       object output = conv.ConvertBack((object)"4d2", null, 42d, null);
       Assert.IsNotNull(output);
       Assert.IsTrue(output is double);
       Assert.Equals((double)output, 42d);
 }
 public void TestDoubleToStringConversion()
 {
     DoubleStringConverter conv = new DoubleStringConverter();
       object output = conv.Convert((object)4.2d, null, null, null);
       Assert.IsNotNull(output);
       Assert.IsTrue(output is string);
       Assert.Equals((string)output, "4.2");
 }