* <p>
     * Usage example:
     * </p>
     *
     * <pre>
     * StringUtil.decapitalize("UserId")  = "userId"
     * StringUtil.decapitalize("ABC")     = "ABC"
     * </pre>
     *
     * @param name
     *            the string to decapitalize
     * @return the decapitalized string
     */
    public static String decapitalize(final String name) {

        assertEquals("", StringUtil.substringToLast("abc", "c"));
        assertEquals("c", StringUtil.substringToLast("abc", "b"));
        assertEquals("c", StringUtil.substringToLast("abcbc", "b"));
        assertEquals("abc", StringUtil.substringToLast("abc", ""));
        assertEquals("abc", StringUtil.substringToLast("abc", null));
        assertEquals("abc", StringUtil.substringToLast("abc", "dddd"));
    }

    /**

        FullWidthToHalfWidthAlphabetNormalizer normalizer = new FullWidthToHalfWidthAlphabetNormalizer();

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

        assertEquals("abc あいう 123", result);
    }

    @Test
    public void test_fullWidthSpacePreserved() throws Exception {

        assertEquals("", StringConversionUtil.fromWindowsMapping(""));
        assertEquals("abc 123", StringConversionUtil.fromWindowsMapping("abc 123"));
        assertEquals("abc\uFF5E\u2225\uFF0D\uFFE0\uFFE1\uFFE2",
                StringConversionUtil.fromWindowsMapping("abc\u301C\u2016\u2212\u00A2\u00A3\u00AC"));
    }

    /**
     * @throws Exception
     */

        assertEquals("aaa bbb", normalizeText("aaa \u00a0 bbb", 100, -1, -1, false));
        assertEquals("123 abc", normalizeText(" 123 abc ", 100, -1, -1, false));
        assertEquals("１２３ あいう", normalizeText("　１２３　あいう　", 100, -1, -1, false));
        assertEquals("123 abc", normalizeText(" 123\nabc ", 100, -1, -1, false));
        assertEquals("1234567890 1234567890", normalizeText("1234567890 1234567890", 100, -1, -1, false));

        String result = chain.normalize("ａｂｃ", "field");

        assertEquals("abc", result);
    }

    @Test
    public void test_multipleNormalizers() throws Exception {
        NormalizerChain chain = new NormalizerChain();
        chain.add(new FullWidthToHalfWidthAlphabetNormalizer());
        chain.add(new HankakuKanaToZenkakuKana());

        String result = chain.normalize("ａｂｃ ｶﾞ", "field");

        assertFalse(request.isHiraganaQuery("こ犬"));
        assertFalse(request.isHiraganaQuery("abc"));
        assertFalse(request.isHiraganaQuery("カキク"));
        assertFalse(request.isHiraganaQuery("あカ"));
        assertFalse(request.isHiraganaQuery("アか"));
        assertFalse(request.isHiraganaQuery("abcあ"));
    }

        assertEquals(resultFile, file);
        FileUtil.writeBytes(file.getAbsolutePath(), "abc".getBytes());

        path = "foo1/hoge.html";
        file = fileTransformer.createFile(path);
        resultFile = new File(fileTransformer.baseDir, path);
        assertEquals(resultFile, file);
        FileUtil.writeBytes(file.getAbsolutePath(), "abc".getBytes());

        path = "foo1/foo2/hoge.html";

    @Test
    public void test_normalize() throws Exception {
        Normalizer normalizer = SuggestUtil.createDefaultNormalizer(runner.client(), suggester.settings());
        assertEquals("12345,.*[]「」abcケンサクabcdけんさくガギグゲゴ", normalizer.normalize("１２３４５,.*[]「」ＡBCｹﾝｻｸabcdけんさくｶﾞｷﾞｸﾞｹﾞｺﾞ", null));
    }

    /**
     * @throws Exception
     */
    @Test
    public void pend_testDot() throws Exception {
        final Tokenizer tokenizer = new Tokenizer("abc.hoge");
        assertThat(tokenizer.nextToken(), is(Tokenizer.TT_WORD));
        assertThat(tokenizer.getStringValue(), is("abc.hoge"));
        assertThat(tokenizer.nextToken(), is(Tokenizer.TT_EOF));
    }