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

source code of boost/libs/spirit/test/x3/repeat.cpp