1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 =============================================================================*/
7 #include <string>
8 #include <vector>
9
10 #include <boost/detail/lightweight_test.hpp>
11 #include <boost/utility/enable_if.hpp>
12
13 #if defined(__GNUC__) && (__GNUC__ >= 8)
14 // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92539
15 # pragma GCC diagnostic ignored "-Warray-bounds"
16 #endif
17 #include <boost/spirit/home/x3.hpp>
18 #include <string>
19 #include <iostream>
20 #include "test.hpp"
21 #include "utils.hpp"
22
23 int
main()24 main()
25 {
26 using spirit_test::test_attr;
27 using spirit_test::test;
28
29 using namespace boost::spirit::x3::ascii;
30 using boost::spirit::x3::repeat;
31 using boost::spirit::x3::inf;
32 using boost::spirit::x3::omit;
33 using boost::spirit::x3::int_;
34 using boost::spirit::x3::lexeme;
35 using boost::spirit::x3::char_;
36
37 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(repeat['x']);
38 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(repeat(3)['x']);
39 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(repeat(3, 5)['x']);
40 BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(repeat(3, inf)['x']);
41
42 {
43 BOOST_TEST(test("aaaaaaaa", repeat[char_])); // kleene synonym
44 BOOST_TEST(test("aaaaaaaa", repeat(8)[char_]));
45 BOOST_TEST(!test("aa", repeat(3)[char_]));
46 BOOST_TEST(test("aaa", repeat(3, 5)[char_]));
47 BOOST_TEST(test("aaaaa", repeat(3, 5)[char_]));
48 BOOST_TEST(!test("aaaaaa", repeat(3, 5)[char_]));
49 BOOST_TEST(!test("aa", repeat(3, 5)[char_]));
50
51 BOOST_TEST(test("aaa", repeat(3, inf)[char_]));
52 BOOST_TEST(test("aaaaa", repeat(3, inf)[char_]));
53 BOOST_TEST(test("aaaaaa", repeat(3, inf)[char_]));
54 BOOST_TEST(!test("aa", repeat(3, inf)[char_]));
55 }
56 {
57 std::string s;
58 BOOST_TEST(test_attr("aaaaaaaa", repeat[char_ >> char_], s)); // kleene synonym
59 BOOST_TEST(s == "aaaaaaaa");
60
61 s.clear();
62 BOOST_TEST(test_attr("aaaaaaaa", repeat(4)[char_ >> char_], s));
63 BOOST_TEST(s == "aaaaaaaa");
64
65 BOOST_TEST(!test("aa", repeat(3)[char_ >> char_]));
66 BOOST_TEST(!test("a", repeat(1)[char_ >> char_]));
67
68 s.clear();
69 BOOST_TEST(test_attr("aa", repeat(1, 3)[char_ >> char_], s));
70 BOOST_TEST(s == "aa");
71
72 s.clear();
73 BOOST_TEST(test_attr("aaaaaa", repeat(1, 3)[char_ >> char_], s));
74 BOOST_TEST(s == "aaaaaa");
75
76 BOOST_TEST(!test("aaaaaaa", repeat(1, 3)[char_ >> char_]));
77 BOOST_TEST(!test("a", repeat(1, 3)[char_ >> char_]));
78
79 s.clear();
80 BOOST_TEST(test_attr("aaaa", repeat(2, inf)[char_ >> char_], s));
81 BOOST_TEST(s == "aaaa");
82
83 s.clear();
84 BOOST_TEST(test_attr("aaaaaa", repeat(2, inf)[char_ >> char_], s));
85 BOOST_TEST(s == "aaaaaa");
86
87 BOOST_TEST(!test("aa", repeat(2, inf)[char_ >> char_]));
88 }
89
90 { // from classic spirit tests
91 BOOST_TEST(test("", repeat(0, inf)['x']));
92
93 // repeat exact 8
94 #define rep8 repeat(8)[alpha] >> 'X'
95 BOOST_TEST(!test("abcdefgX", rep8, false));
96 BOOST_TEST(test("abcdefghX", rep8));
97 BOOST_TEST(!test("abcdefghiX", rep8, false));
98 BOOST_TEST(!test("abcdefgX", rep8, false));
99 BOOST_TEST(!test("aX", rep8, false));
100
101 // repeat 2 to 8
102 #define rep28 repeat(2, 8)[alpha] >> '*'
103 BOOST_TEST(test("abcdefg*", rep28));
104 BOOST_TEST(test("abcdefgh*", rep28));
105 BOOST_TEST(!test("abcdefghi*", rep28, false));
106 BOOST_TEST(!test("a*", rep28, false));
107
108 // repeat 2 or more
109 #define rep2_ repeat(2, inf)[alpha] >> '+'
110 BOOST_TEST(test("abcdefg+", rep2_));
111 BOOST_TEST(test("abcdefgh+", rep2_));
112 BOOST_TEST(test("abcdefghi+", rep2_));
113 BOOST_TEST(test("abcdefg+", rep2_));
114 BOOST_TEST(!test("a+", rep2_, false));
115
116 // repeat 0
117 #define rep0 repeat(0)[alpha] >> '/'
118 BOOST_TEST(test("/", rep0));
119 BOOST_TEST(!test("a/", rep0, false));
120
121 // repeat 0 or 1
122 #define rep01 repeat(0, 1)[alpha >> digit] >> '?'
123 BOOST_TEST(!test("abcdefg?", rep01, false));
124 BOOST_TEST(!test("a?", rep01, false));
125 BOOST_TEST(!test("1?", rep01, false));
126 BOOST_TEST(!test("11?", rep01, false));
127 BOOST_TEST(!test("aa?", rep01, false));
128 BOOST_TEST(test("?", rep01));
129 BOOST_TEST(test("a1?", rep01));
130 }
131
132 {
133 BOOST_TEST(test(" a a aaa aa", repeat(7)[char_], space));
134 BOOST_TEST(test("12345 678 9", repeat(9)[digit], space));
135 }
136
137 {
138 std::vector<std::string> v;
139 BOOST_TEST(test_attr("a b c d", repeat(4)[lexeme[+alpha]], v, space) && 4 == v.size() &&
140 v[0] == "a" && v[1] == "b" && v[2] == "c" && v[3] == "d");
141 }
142 {
143 BOOST_TEST(test("1 2 3", int_ >> repeat(2)[int_], space));
144 BOOST_TEST(!test("1 2", int_ >> repeat(2)[int_], space));
145 }
146
147 {
148 std::vector<char> v;
149 BOOST_TEST(test_attr("1 2 3", int_ >> repeat(2)[int_], v, space));
150 BOOST_TEST(v.size() == 3 && v[0] == 1 && v[1] == 2 && v[2] == 3);
151
152 BOOST_TEST(!test("1 2", int_ >> repeat(2)[int_], space));
153 }
154
155 { // test move only types
156 std::vector<move_only> v;
157 BOOST_TEST(test_attr("sss", repeat(3)[synth_move_only], v));
158 BOOST_TEST_EQ(v.size(), 3);
159 }
160
161 return boost::report_errors();
162 }
163