public void TestNullColorConverter3()
 {
     NullColorConverter conv = new NullColorConverter();
       object output = conv.Convert(this, null, null, null);
       Assert.IsNotNull(output);
       Assert.IsTrue(output is Brush);
       Assert.Equals(output, Application.Current.Resources["PhoneTextBoxForegroundColor"]);
 }
 public void TestNullColorConverter1()
 {
     NullColorConverter conv = new NullColorConverter();
       object output = conv.ConvertBack(null, null, null, null);
       Assert.IsNull(output);
 }
 public void TestNullColorConverter2()
 {
     NullColorConverter conv = new NullColorConverter();
       object output = conv.Convert(null, null, null, null);
       Assert.IsNotNull(output);
       Assert.IsTrue(output is Brush);
       Assert.Equals(output, Application.Current.Resources["PhoneAccentBrush"]);
 }