String result = normalizer.normalize("abc123", "field");

        assertEquals("abc123", result);
    }

    @Test
    public void test_mixedWithOtherCharacters() throws Exception {
        FullWidthToHalfWidthAlphabetNormalizer normalizer = new FullWidthToHalfWidthAlphabetNormalizer();

        String result = normalizer.normalize("ａｂｃ あいう 123", "field");

        String result = normalizer.normalize("ｦ", "field");

        assertEquals("ヲ", result);
    }

    @Test
    public void test_mixedWithOtherCharacters() throws Exception {
        HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();

        String result = normalizer.normalize("abc ｱｲｳ 123", "field");