SuggestResponse response2 = suggester.suggest().setQuery("-a").setSuggestDetail(true).execute().getResponse();
        assertEquals(2, response2.getNum());

        SuggestResponse response3 = suggester.suggest().setQuery("-aa-").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response3.getNum());
    }

    @Test
    public void test_getNum() throws Exception {
        SuggestItem[] items = getItemSet1();

    }

    @Test
    public void testRecursiveExpressionCycleNPE() throws Exception {
        Map<String, String> props = new HashMap<>();
        props.put("aa", "${bb}");
        props.put("bb", "${aa}");
        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();

        Model model = Model.newBuilder().properties(props).build();

		" ", "a ", " a", "a b", "1 ", " 1", "1 2",
		"A.a", "aB.a", "ab.A", "A1.a", "a1.A",
		"A.1", "aB.1", "A1.1", "1A.1",
		"0.A", "01.A", "012.A", "1A.a", "1a.A",
		"A.B.C.D.E", "AA.BB.CC.DD.EE", "a.B.c.d.e", "aa.bB.cc.dd.ee",
		"a@b", "a,b", "a_b", "a;b",
		"a:b", "a%b", "a?b", "a$b",
		strings.Repeat("a", 254),
	}
	for _, val := range badValues {
		if msgs := IsDNS1123Subdomain(val); len(msgs) == 0 {

00000090  66 06 c4 39 42 8f 68 fb  3a 07 9e e7 74 41 0d 10  |f..9B.h.:...tA..|
000000a0  97 17 03 03 00 42 42 b2  84 94 a6 18 c6 b6 21 77  |.....BB.......!w|
000000b0  1e 02 57 4a 14 2d c4 84  17 f1 fa b4 63 0f aa d7  |..WJ.-......c...|
000000c0  4a d5 ae 75 f1 da 14 ec  51 09 93 6b 62 6f 8f 7e  |J..u....Q..kbo.~|
000000d0  fe 0c 7f 63 ef 1b 87 d8  43 42 d0 f4 2d 6d 0f cc  |...c....CB..-m..|

			"a*",
		},
	},

	{
		"all a's",
		"aaaaaaaaaa", // 10 a's
		[]string{
			"",
			"a",
			"aa",
			"aaa",
			"aaaa",
			"aaaaa",
			"aaaaaa",
			"aaaaaaa",
			"aaaaaaaa",
			"aaaaaaaaa",
			"aaaaaaaaaa",
			"aaaaaaaaaaa", // 11 a's
			".",
			".*",
			"a+",
			"aa+",
			"aaaa[b]?",
			"aaa*",
		},
	},

	{
		"abc",
		"abc",
		[]string{
			"a",
			"b",

                  @Override
                  public SampleElements<Entry<String, Integer>> samples() {
                    return new SampleElements<>(
                        mapEntry("a", 1),
                        mapEntry("aa", 2),
                        mapEntry("aba", 3),
                        mapEntry("bbbb", 4),
                        mapEntry("ccccc", 5));
                  }

                  @Override

// forms a cell but that cell is not part of an aligned column.
// For instance, in this example (where | stands for a horizontal tab):
//
//	aaaa|bbb|d
//	aa  |b  |dd
//	a   |
//	aa  |cccc|eee
//
// the b and c are in distinct columns (the b column is not contiguous
// all the way). The d and e are not in a column at all (there's no
// terminating tab, nor would the column be contiguous).

        assertTrue(StringUtil.endsWithIgnoreCase("aaa_hoge", "HOge"));
        assertFalse(StringUtil.endsWithIgnoreCase("setHogeaa", "Aaa"));
        assertFalse(StringUtil.endsWithIgnoreCase("aa", "Aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testStartsWithIgnoreCase() throws Exception {
        assertTrue(StringUtil.startsWithIgnoreCase("isHoge", "is"));

	                       b9:af:ce:05:9d:82:a2:98:a9:15:40:8b:ff:a2:5c:
	                       72:53:e8:d0:af:73:c6:76:4d:c7:6a:6e:9f:5d:a7:
	                       e2:f6:aa:6a:18:2b:c3:ee:3b:64:19:16:5d:94:0b:
	                       f2:f7:90:43:9a:5d:ce:7e:07:4d:b9:df:be:f0:39:
	                       98:a4:41:eb:d3:17:90:12:d9:bc:d7:7f:a4:66:98:

	fmt.Println(re.FindAllString("paranormal", 2))
	fmt.Println(re.FindAllString("graal", -1))
	fmt.Println(re.FindAllString("none", -1))
	// Output:
	// [ar an al]
	// [ar an]
	// [aa]
	// []
}

func ExampleRegexp_FindAllStringSubmatch() {
	re := regexp.MustCompile(`a(x*)b`)
	fmt.Printf("%q\n", re.FindAllStringSubmatch("-ab-", -1))
	fmt.Printf("%q\n", re.FindAllStringSubmatch("-axxb-", -1))