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

        assertEquals("AbCdEf", result);
    }

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

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

        String result = normalizer.normalize("ｱｲｳｴｵｶﾞｷﾞﾊﾟﾋﾟ", "field");

        assertEquals("アイウエオガギパピ", result);
    }

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

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

        assertEquals("", result);
    }

        QueryLog queryLog = new QueryLog("query", "field:value");

        assertEquals("field:value", queryLog.getFilterQueryString());
    }

    @Test
    public void test_emptyStrings() throws Exception {
        QueryLog queryLog = new QueryLog("", "");

        assertEquals("", queryLog.getQueryString());
        assertEquals("", queryLog.getFilterQueryString());
    }

    @Test

    }

    /**
     * Test with an empty string for both constructors.
     */
    @Test
    void testEmptyString() {
        String emptyString = "";
        AvTargetName avTargetNameFromString = new AvTargetName(emptyString);
        assertEquals(emptyString, avTargetNameFromString.getTargetName(),

        assertThat(cipher1.decryptText(encrypted1), is(original));
        assertThat(cipher2.decryptText(encrypted2), is(original));
    }

    @Test
    public void testEmptyString() {
        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final String original = "";
        final String encrypted = cipher.encryptText(original);