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1 | // { dg-options "-std=gnu++17" } |
2 | ||
42a4f53d | 3 | // Copyright (C) 2013-2019 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | // basic_string_view find_first_of | |
21 | ||
c9638d26 | 22 | namespace operations_find_2 { |
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23 | |
24 | void | |
25 | test02() | |
26 | { | |
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27 | typedef gdb::string_view::size_type csize_type; |
28 | csize_type npos = gdb::string_view::npos; | |
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29 | csize_type csz01, csz02; |
30 | ||
31 | const char str_lit01[] = "mave"; | |
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32 | const gdb::string_view str01("mavericks, santa cruz"); |
33 | gdb::string_view str02(str_lit01); | |
34 | gdb::string_view str03("s, s"); | |
35 | gdb::string_view str04; | |
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36 | |
37 | // size_type find_first_of(const string_view&, size_type pos = 0) const; | |
c9638d26 | 38 | gdb::string_view str05("xena rulez"); |
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39 | csz01 = str01.find_first_of(str01); |
40 | VERIFY( csz01 == 0 ); | |
41 | csz01 = str01.find_first_of(str01, 4); | |
42 | VERIFY( csz01 == 4 ); | |
43 | csz01 = str01.find_first_of(str02, 0); | |
44 | VERIFY( csz01 == 0 ); | |
45 | csz01 = str01.find_first_of(str02, 3); | |
46 | VERIFY( csz01 == 3 ); | |
47 | csz01 = str01.find_first_of(str03, 0); | |
48 | VERIFY( csz01 == 8 ); | |
49 | csz01 = str01.find_first_of(str03, 3); | |
50 | VERIFY( csz01 == 8 ); | |
51 | csz01 = str01.find_first_of(str03, 12); | |
52 | VERIFY( csz01 == 16 ); | |
53 | csz01 = str01.find_first_of(str05, 0); | |
54 | VERIFY( csz01 == 1 ); | |
55 | csz01 = str01.find_first_of(str05, 4); | |
56 | VERIFY( csz01 == 4 ); | |
57 | ||
58 | // An empty string_view consists of no characters | |
59 | // therefore it should be found at every point in a string_view, | |
60 | // except beyond the end | |
61 | // However, str1.find_first_of(str2,pos) finds the first character in | |
62 | // str1 (starting at pos) that exists in str2, which is none for empty str2 | |
63 | csz01 = str01.find_first_of(str04, 0); | |
64 | VERIFY( csz01 == npos ); | |
65 | csz01 = str01.find_first_of(str04, 5); | |
66 | VERIFY( csz01 == npos ); | |
67 | ||
68 | // size_type find_first_of(const char* s, size_type pos, size_type n) const; | |
69 | csz01 = str01.find_first_of(str_lit01, 0, 3); | |
70 | VERIFY( csz01 == 0 ); | |
71 | csz01 = str01.find_first_of(str_lit01, 3, 0); | |
72 | VERIFY( csz01 == npos ); | |
73 | ||
74 | // size_type find_first_of(const char* s, size_type pos = 0) const; | |
75 | csz01 = str01.find_first_of(str_lit01); | |
76 | VERIFY( csz01 == 0 ); | |
77 | csz01 = str01.find_first_of(str_lit01, 3); | |
78 | VERIFY( csz01 == 3 ); | |
79 | ||
80 | // size_type find_first_of(char c, size_type pos = 0) const; | |
81 | csz01 = str01.find_first_of('z'); | |
82 | csz02 = str01.size() - 1; | |
83 | VERIFY( csz01 == csz02 ); | |
84 | } | |
85 | ||
c9638d26 | 86 | #ifndef GDB_STRING_VIEW |
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87 | constexpr bool |
88 | test03() | |
89 | { | |
90 | typedef std::string_view::size_type csize_type; | |
91 | csize_type npos = std::string_view::npos; | |
92 | csize_type csz01 = 0, csz02 = 0; | |
93 | ||
94 | const char str_lit01[] = "mave"; | |
95 | const std::string_view str01("mavericks, santa cruz"); | |
96 | std::string_view str02(str_lit01); | |
97 | std::string_view str03("s, s"); | |
98 | std::string_view str04; | |
99 | ||
100 | #undef VERIFY | |
101 | #define VERIFY(x) if(!(x)) return false | |
102 | ||
103 | // size_type find_first_of(const string_view&, size_type pos = 0) const; | |
104 | std::string_view str05("xena rulez"); | |
105 | csz01 = str01.find_first_of(str01); | |
106 | VERIFY( csz01 == 0 ); | |
107 | csz01 = str01.find_first_of(str01, 4); | |
108 | VERIFY( csz01 == 4 ); | |
109 | csz01 = str01.find_first_of(str02, 0); | |
110 | VERIFY( csz01 == 0 ); | |
111 | csz01 = str01.find_first_of(str02, 3); | |
112 | VERIFY( csz01 == 3 ); | |
113 | csz01 = str01.find_first_of(str03, 0); | |
114 | VERIFY( csz01 == 8 ); | |
115 | csz01 = str01.find_first_of(str03, 3); | |
116 | VERIFY( csz01 == 8 ); | |
117 | csz01 = str01.find_first_of(str03, 12); | |
118 | VERIFY( csz01 == 16 ); | |
119 | csz01 = str01.find_first_of(str05, 0); | |
120 | VERIFY( csz01 == 1 ); | |
121 | csz01 = str01.find_first_of(str05, 4); | |
122 | VERIFY( csz01 == 4 ); | |
123 | ||
124 | // An empty string_view consists of no characters | |
125 | // therefore it should be found at every point in a string_view, | |
126 | // except beyond the end | |
127 | // However, str1.find_first_of(str2,pos) finds the first character in | |
128 | // str1 (starting at pos) that exists in str2, which is none for empty str2 | |
129 | csz01 = str01.find_first_of(str04, 0); | |
130 | VERIFY( csz01 == npos ); | |
131 | csz01 = str01.find_first_of(str04, 5); | |
132 | VERIFY( csz01 == npos ); | |
133 | ||
134 | // size_type find_first_of(const char* s, size_type pos, size_type n) const; | |
135 | csz01 = str01.find_first_of(str_lit01, 0, 3); | |
136 | VERIFY( csz01 == 0 ); | |
137 | csz01 = str01.find_first_of(str_lit01, 3, 0); | |
138 | VERIFY( csz01 == npos ); | |
139 | ||
140 | // size_type find_first_of(const char* s, size_type pos = 0) const; | |
141 | csz01 = str01.find_first_of(str_lit01); | |
142 | VERIFY( csz01 == 0 ); | |
143 | csz01 = str01.find_first_of(str_lit01, 3); | |
144 | VERIFY( csz01 == 3 ); | |
145 | ||
146 | // size_type find_first_of(char c, size_type pos = 0) const; | |
147 | csz01 = str01.find_first_of('z'); | |
148 | csz02 = str01.size() - 1; | |
149 | VERIFY( csz01 == csz02 ); | |
150 | ||
151 | return true; | |
152 | } | |
c9638d26 | 153 | #endif |
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154 | |
155 | int | |
156 | main() | |
157 | { | |
158 | test02(); | |
c9638d26 | 159 | #ifndef GDB_STRING_VIEW |
fdc11678 | 160 | static_assert( test03() ); |
c9638d26 | 161 | #endif |
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162 | |
163 | return 0; | |
164 | } | |
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165 | |
166 | } // namespace operations_find_2 { |