{`.(.)`, "abcd", build(2, 0, 2, 1, 2, 2, 4, 3, 4)},
	{`ab*`, "abbaab", build(3, 0, 3, 3, 4, 4, 6)},
	{`a(b*)`, "abbaab", build(3, 0, 3, 1, 3, 3, 4, 4, 4, 4, 6, 5, 6)},

	// fixed bugs
	{`ab$`, "cab", build(1, 1, 3)},
	{`axxb$`, "axxcb", nil},
	{`data`, "daXY data", build(1, 5, 9)},
	{`da(.)a$`, "daXY data", build(1, 5, 9, 7, 8)},
	{`zx+`, "zzx", build(1, 1, 3)},
	{`ab$`, "abcab", build(1, 3, 5)},
	{`(aa)*$`, "a", build(1, 1, 1, -1, -1)},

E3	((((((((((((((((((((((((((((((x))))))))))))))))))))))))))))))*	xx	(0,2)(1,2)(1,2)
E	a?(ab|ba)*	ababababababababababababababababababababababababababababababababababababababababa	(0,81)(79,81)
E	abaa|abbaa|abbbaa|abbbbaa	ababbabbbabbbabbbbabbbbaa	(18,25)
E	abaa|abbaa|abbbaa|abbbbaa	ababbabbbabbbabbbbabaa	(18,22)
E	aaac|aabc|abac|abbc|baac|babc|bbac|bbbc	baaabbbabac	(7,11)
BE$	.*			\x01\xff	(0,2)

E	SAME		aaaaaab		(0,6)(0,6)
E	([ab]*)*	a		(0,1)(0,1)
E	SAME		aaaaaa		(0,6)(0,6)
E	SAME		ababab		(0,6)(0,6)
E	SAME		bababa		(0,6)(0,6)
E	SAME		b		(0,1)(0,1)
E	SAME		bbbbbb		(0,6)(0,6)
E	SAME		aaaabcde	(0,5)(0,5)
E	([^a]*)*	b		(0,1)(0,1)
E	SAME		bbbbbb		(0,6)(0,6)
E	SAME		aaaaaa		(0,0)(0,0)
E	([^ab]*)*	ccccxx		(0,6)(0,6)
E	SAME		ababab		(0,0)(0,0)

E	((z)+|a)*	zabcde		(0,2)(1,2)

bfbfbf bebebe bdbdbd bcbcbc bbbbbb bababa b9b9b9 b8b8b8 b7b7b7 b6b6b6 b5b5b5 b4b4b4 b3b3b3 b2b2b2 b1b1b1 b0b0b0 afafaf aeaeae adadad acacac ababab aaaaaa a9a9a9 a8a8a8 a7a7a7 a6a6a6 a5a5a5 a4a4a4 a3a3a3 a2a2a2 a1a1a1 a0a0a0 

		testCase{htmlEscaper, "&&&", "&&&"},
		testCase{htmlEscaper, "", ""},

		testCase{repeat, "brad", "bbrrrrrrrrrrrrrrrrrradddd"},
		testCase{repeat, "abba", "abbbba"},
		testCase{repeat, "", ""},

		testCase{NewReplacer("a", "11", "a", "22"), "brad", "br11d"},
	)

	// The remaining test cases have variable length old strings.

	testCases = append(testCases,

a
ahogy
ahol
aki
akik
akkor
alatt
által
általában
amely
amelyek
amelyekben
amelyeket
amelyet
amelynek
ami
amit
amolyan
amíg
amikor
át
abban
ahhoz
annak
arra
arról
az
azok
azon
azt
azzal
azért
aztán
azután
azonban
bár
be
belül
benne
cikk
cikkek
cikkeket
csak
de
e
eddig
egész
egy

		expectedIsLatest    bool
	}{
		{
			fis:            getNFInfo(16, 16, 1603863445, "36a21454-a2ca-11eb-bbaa-93a81c686f21", nil, nil),
			modTime:        time.Unix(1603863445, 0),
			expectedErr:    nil,
			expectedQuorum: 8,
		},
		{
			fis:            getNFInfo(16, 7, 1603863445, "36a21454-a2ca-11eb-bbaa-93a81c686f21", nil, nil),
			modTime:        time.Unix(1603863445, 0),
			expectedErr:    InsufficientReadQuorum{},

	{"foo:and:bar", "foo", -1, []string{"", ":and:bar"}},
	{"foo:and:bar", "bar", -1, []string{"foo:and:", ""}},
	{"foo:and:bar", "baz", -1, []string{"foo:and:bar"}},
	{"baabaab", "a", -1, []string{"b", "", "b", "", "b"}},
	{"baabaab", "a*", -1, []string{"b", "b", "b"}},
	{"baabaab", "ba*", -1, []string{"", "", "", ""}},
	{"foobar", "f*b*", -1, []string{"", "o", "o", "a", "r"}},
	{"foobar", "f+.*b+", -1, []string{"", "ar"}},

    }

    def "can find prefix match"() {
        def trie = Trie.from("aaa", "bbb")
        expect:
        !trie.find("a")
        !trie.find("aa")
        trie.find("aaaa")
        trie.find("aaab")
    }

		}
		return out
	})
}

// test tests an arbitrary suffix array construction function.
// Generates many inputs, builds and checks suffix arrays.
func test(t *testing.T, build func([]byte) []int) {
	t.Run("ababab...", func(t *testing.T) {
		// Very repetitive input has numLMS = len(x)/2-1
		// at top level, the largest it can be.
		// But maxID is only two (aba and ab$).
		size := 100000
		if testing.Short() {