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