public void FindUnassignedEditPositionInRange() { var maskedTextProvider = new MaskedTextProvider(TestSimpleDigitMask); maskedTextProvider.Set("12"); Assert.Equal(3, maskedTextProvider.FindUnassignedEditPositionInRange(0, 5, true)); Assert.Equal(5, maskedTextProvider.FindUnassignedEditPositionInRange(0, 5, false)); }