public void ForbidRanges() { // Arrange var filter = new TextEncoderSettings(new OddTextEncoderSettings()); filter.ForbidRanges(UnicodeRanges.BasicLatin, UnicodeRanges.Specials); // Assert for (int i = 0; i <= 0x007F; i++) { Assert.False(filter.IsCharacterAllowed((char)i)); } for (int i = 0x0080; i <= 0xFFEF; i++) { Assert.Equal((i % 2) == 1, filter.IsCharacterAllowed((char)i)); } for (int i = 0xFFF0; i <= Char.MaxValue; i++) { Assert.False(filter.IsCharacterAllowed((char)i)); } }