public void FindAssignedEditPositionFrom() { var maskedTextProvider = new MaskedTextProvider(TestSimpleDigitMask); Assert.Equal(-1, maskedTextProvider.FindAssignedEditPositionFrom(0, true)); maskedTextProvider.Add("12"); Assert.Equal(0, maskedTextProvider.FindAssignedEditPositionFrom(0, true)); Assert.Equal(2, maskedTextProvider.FindAssignedEditPositionFrom(5, false)); }