1// Copyright 2021 Peter Dimov
2// Distributed under the Boost Software License, Version 1.0.
3// https://www.boost.org/LICENSE_1_0.txt
4
5#include <boost/core/detail/string_view.hpp>
6#include <boost/core/lightweight_test.hpp>
7#include <cstddef>
8
9int main()
10{
11 std::size_t const npos = boost::core::string_view::npos;
12
13 {
14 boost::core::string_view sv( "" );
15
16 BOOST_TEST_EQ( sv.rfind( boost::core::string_view() ), 0 );
17 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 1 ), 0 );
18 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 0 ), 0 );
19
20 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ) ), 0 );
21 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 1 ), 0 );
22 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 0 ), 0 );
23
24 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ) ), npos );
25 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 1 ), npos );
26 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 0 ), npos );
27
28 BOOST_TEST_EQ( sv.rfind( '1' ), npos );
29 BOOST_TEST_EQ( sv.rfind( '1', 1 ), npos );
30 BOOST_TEST_EQ( sv.rfind( '1', 0 ), npos );
31
32 BOOST_TEST_EQ( sv.rfind( "" ), 0 );
33 BOOST_TEST_EQ( sv.rfind( "", 1 ), 0 );
34 BOOST_TEST_EQ( sv.rfind( "", 0 ), 0 );
35
36 BOOST_TEST_EQ( sv.rfind( "1" ), npos );
37 BOOST_TEST_EQ( sv.rfind( "1", 1 ), npos );
38 BOOST_TEST_EQ( sv.rfind( "1", 0 ), npos );
39
40 BOOST_TEST_EQ( sv.rfind( "1", npos, 0 ), 0 );
41 BOOST_TEST_EQ( sv.rfind( "1", 1, 0 ), 0 );
42 BOOST_TEST_EQ( sv.rfind( "1", 0, 0 ), 0 );
43
44 BOOST_TEST_EQ( sv.rfind( "1", npos, 1 ), npos );
45 BOOST_TEST_EQ( sv.rfind( "1", 1, 1 ), npos );
46 BOOST_TEST_EQ( sv.rfind( "1", 0, 1 ), npos );
47 }
48
49 {
50 boost::core::string_view sv( "123123" );
51
52 BOOST_TEST_EQ( sv.rfind( boost::core::string_view() ), 6 );
53 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 7 ), 6 );
54 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 6 ), 6 );
55 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 5 ), 5 );
56 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 1 ), 1 );
57 BOOST_TEST_EQ( sv.rfind( boost::core::string_view(), 0 ), 0 );
58
59 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ) ), 6 );
60 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 7 ), 6 );
61 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 6 ), 6 );
62 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 5 ), 5 );
63 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 1 ), 1 );
64 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "" ), 0 ), 0 );
65
66 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ) ), 3 );
67 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 7 ), 3 );
68 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 6 ), 3 );
69 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 5 ), 3 );
70 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 4 ), 3 );
71 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 3 ), 3 );
72 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 2 ), 0 );
73 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 1 ), 0 );
74 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "1" ), 0 ), 0 );
75
76 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ) ), 4 );
77 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 7 ), 4 );
78 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 6 ), 4 );
79 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 5 ), 4 );
80 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 4 ), 4 );
81 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 3 ), 1 );
82 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 2 ), 1 );
83 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 1 ), 1 );
84 BOOST_TEST_EQ( sv.rfind( boost::core::string_view( "23" ), 0 ), npos );
85
86 BOOST_TEST_EQ( sv.rfind( '1' ), 3 );
87 BOOST_TEST_EQ( sv.rfind( '1', 7 ), 3 );
88 BOOST_TEST_EQ( sv.rfind( '1', 6 ), 3 );
89 BOOST_TEST_EQ( sv.rfind( '1', 5 ), 3 );
90 BOOST_TEST_EQ( sv.rfind( '1', 4 ), 3 );
91 BOOST_TEST_EQ( sv.rfind( '1', 3 ), 3 );
92 BOOST_TEST_EQ( sv.rfind( '1', 2 ), 0 );
93 BOOST_TEST_EQ( sv.rfind( '1', 1 ), 0 );
94 BOOST_TEST_EQ( sv.rfind( '1', 0 ), 0 );
95
96 BOOST_TEST_EQ( sv.rfind( '3' ), 5 );
97 BOOST_TEST_EQ( sv.rfind( '3', 7 ), 5 );
98 BOOST_TEST_EQ( sv.rfind( '3', 6 ), 5 );
99 BOOST_TEST_EQ( sv.rfind( '3', 5 ), 5 );
100 BOOST_TEST_EQ( sv.rfind( '3', 4 ), 2 );
101 BOOST_TEST_EQ( sv.rfind( '3', 3 ), 2 );
102 BOOST_TEST_EQ( sv.rfind( '3', 2 ), 2 );
103 BOOST_TEST_EQ( sv.rfind( '3', 1 ), npos );
104 BOOST_TEST_EQ( sv.rfind( '3', 0 ), npos );
105
106 BOOST_TEST_EQ( sv.rfind( '9' ), npos );
107 BOOST_TEST_EQ( sv.rfind( '9', 7 ), npos );
108 BOOST_TEST_EQ( sv.rfind( '9', 6 ), npos );
109
110 BOOST_TEST_EQ( sv.rfind( "" ), 6 );
111 BOOST_TEST_EQ( sv.rfind( "", 7 ), 6 );
112 BOOST_TEST_EQ( sv.rfind( "", 6 ), 6 );
113 BOOST_TEST_EQ( sv.rfind( "", 5 ), 5 );
114 BOOST_TEST_EQ( sv.rfind( "", 1 ), 1 );
115 BOOST_TEST_EQ( sv.rfind( "", 0 ), 0 );
116
117 BOOST_TEST_EQ( sv.rfind( "1" ), 3 );
118 BOOST_TEST_EQ( sv.rfind( "1", 7 ), 3 );
119 BOOST_TEST_EQ( sv.rfind( "1", 6 ), 3 );
120 BOOST_TEST_EQ( sv.rfind( "1", 5 ), 3 );
121 BOOST_TEST_EQ( sv.rfind( "1", 4 ), 3 );
122 BOOST_TEST_EQ( sv.rfind( "1", 3 ), 3 );
123 BOOST_TEST_EQ( sv.rfind( "1", 2 ), 0 );
124 BOOST_TEST_EQ( sv.rfind( "1", 1 ), 0 );
125 BOOST_TEST_EQ( sv.rfind( "1", 0 ), 0 );
126
127 BOOST_TEST_EQ( sv.rfind( "23" ), 4 );
128 BOOST_TEST_EQ( sv.rfind( "23", 7 ), 4 );
129 BOOST_TEST_EQ( sv.rfind( "23", 6 ), 4 );
130 BOOST_TEST_EQ( sv.rfind( "23", 5 ), 4 );
131 BOOST_TEST_EQ( sv.rfind( "23", 4 ), 4 );
132 BOOST_TEST_EQ( sv.rfind( "23", 3 ), 1 );
133 BOOST_TEST_EQ( sv.rfind( "23", 2 ), 1 );
134 BOOST_TEST_EQ( sv.rfind( "23", 1 ), 1 );
135 BOOST_TEST_EQ( sv.rfind( "23", 0 ), npos );
136
137 BOOST_TEST_EQ( sv.rfind( "123", npos, 0 ), 6 );
138 BOOST_TEST_EQ( sv.rfind( "123", 7, 0 ), 6 );
139 BOOST_TEST_EQ( sv.rfind( "123", 6, 0 ), 6 );
140 BOOST_TEST_EQ( sv.rfind( "123", 5, 0 ), 5 );
141 BOOST_TEST_EQ( sv.rfind( "123", 1, 0 ), 1 );
142 BOOST_TEST_EQ( sv.rfind( "123", 0, 0 ), 0 );
143
144 BOOST_TEST_EQ( sv.rfind( "123", npos, 1 ), 3 );
145 BOOST_TEST_EQ( sv.rfind( "123", 7, 1 ), 3 );
146 BOOST_TEST_EQ( sv.rfind( "123", 6, 1 ), 3 );
147 BOOST_TEST_EQ( sv.rfind( "123", 5, 1 ), 3 );
148 BOOST_TEST_EQ( sv.rfind( "123", 4, 1 ), 3 );
149 BOOST_TEST_EQ( sv.rfind( "123", 3, 1 ), 3 );
150 BOOST_TEST_EQ( sv.rfind( "123", 2, 1 ), 0 );
151 BOOST_TEST_EQ( sv.rfind( "123", 1, 1 ), 0 );
152 BOOST_TEST_EQ( sv.rfind( "123", 0, 1 ), 0 );
153
154 BOOST_TEST_EQ( sv.rfind( "123", npos, 3 ), 3 );
155 BOOST_TEST_EQ( sv.rfind( "123", 7, 3 ), 3 );
156 BOOST_TEST_EQ( sv.rfind( "123", 6, 3 ), 3 );
157 BOOST_TEST_EQ( sv.rfind( "123", 5, 3 ), 3 );
158 BOOST_TEST_EQ( sv.rfind( "123", 4, 3 ), 3 );
159 BOOST_TEST_EQ( sv.rfind( "123", 3, 3 ), 3 );
160 BOOST_TEST_EQ( sv.rfind( "123", 2, 3 ), 0 );
161 BOOST_TEST_EQ( sv.rfind( "123", 1, 3 ), 0 );
162 BOOST_TEST_EQ( sv.rfind( "123", 0, 3 ), 0 );
163
164 BOOST_TEST_EQ( sv.rfind( "123123" ), 0 );
165 BOOST_TEST_EQ( sv.rfind( "1231231" ), npos );
166 }
167
168 return boost::report_errors();
169}
170

source code of boost/libs/core/test/sv_rfind_test.cpp