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