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6458742a | 1 | // { dg-do run { target c++17 } } |
ca8f2cb1 | 2 | |
99dee823 | 3 | // Copyright (C) 2013-2021 Free Software Foundation, Inc. |
ca8f2cb1 VV |
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 | ||
22 | #include <string_view> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
118c8424 | 25 | void |
ca8f2cb1 VV |
26 | test02() |
27 | { | |
ca8f2cb1 VV |
28 | typedef std::wstring_view::size_type csize_type; |
29 | csize_type npos = std::wstring_view::npos; | |
30 | csize_type csz01, csz02; | |
31 | ||
32 | const wchar_t str_lit01[] = L"mave"; | |
33 | const std::wstring_view str01(L"mavericks, santa cruz"); | |
34 | std::wstring_view str02(str_lit01); | |
35 | std::wstring_view str03(L"s, s"); | |
36 | std::wstring_view str04; | |
37 | ||
38 | // size_type find_first_of(const wstring_view&, size_type pos = 0) const; | |
39 | std::wstring_view str05(L"xena rulez"); | |
40 | csz01 = str01.find_first_of(str01); | |
41 | VERIFY( csz01 == 0 ); | |
42 | csz01 = str01.find_first_of(str01, 4); | |
43 | VERIFY( csz01 == 4 ); | |
44 | csz01 = str01.find_first_of(str02, 0); | |
45 | VERIFY( csz01 == 0 ); | |
46 | csz01 = str01.find_first_of(str02, 3); | |
47 | VERIFY( csz01 == 3 ); | |
48 | csz01 = str01.find_first_of(str03, 0); | |
49 | VERIFY( csz01 == 8 ); | |
50 | csz01 = str01.find_first_of(str03, 3); | |
51 | VERIFY( csz01 == 8 ); | |
52 | csz01 = str01.find_first_of(str03, 12); | |
53 | VERIFY( csz01 == 16 ); | |
54 | csz01 = str01.find_first_of(str05, 0); | |
55 | VERIFY( csz01 == 1 ); | |
56 | csz01 = str01.find_first_of(str05, 4); | |
57 | VERIFY( csz01 == 4 ); | |
58 | ||
59 | // An empty string_view consists of no characters | |
60 | // therefore it should be found at every point in a string_view, | |
61 | // except beyond the end | |
c5ae1a27 | 62 | // However, str1.find_first_of(str2,pos) finds the first character in |
ca8f2cb1 VV |
63 | // str1 (starting at pos) that exists in str2, which is none for empty str2 |
64 | csz01 = str01.find_first_of(str04, 0); | |
65 | VERIFY( csz01 == npos ); | |
66 | csz01 = str01.find_first_of(str04, 5); | |
67 | VERIFY( csz01 == npos ); | |
c5ae1a27 JW |
68 | |
69 | // size_type find_first_of(const wchar_t* s, size_type pos, size_type n) const; | |
70 | csz01 = str01.find_first_of(str_lit01, 0, 3); | |
71 | VERIFY( csz01 == 0 ); | |
72 | csz01 = str01.find_first_of(str_lit01, 3, 0); | |
73 | VERIFY( csz01 == npos ); | |
74 | ||
75 | // size_type find_first_of(const wchar_t* s, size_type pos = 0) const; | |
76 | csz01 = str01.find_first_of(str_lit01); | |
77 | VERIFY( csz01 == 0 ); | |
78 | csz01 = str01.find_first_of(str_lit01, 3); | |
79 | VERIFY( csz01 == 3 ); | |
80 | ||
81 | // size_type find_first_of(wchar_t c, size_type pos = 0) const; | |
82 | csz01 = str01.find_first_of(L'z'); | |
83 | csz02 = str01.size() - 1; | |
84 | VERIFY( csz01 == csz02 ); | |
85 | } | |
86 | ||
87 | constexpr bool | |
88 | test04() | |
89 | { | |
90 | typedef std::wstring_view::size_type csize_type; | |
91 | csize_type npos = std::wstring_view::npos; | |
92 | csize_type csz01 = 0, csz02 = 0; | |
93 | ||
94 | const wchar_t str_lit01[] = L"mave"; | |
95 | const std::wstring_view str01(L"mavericks, santa cruz"); | |
96 | std::wstring_view str02(str_lit01); | |
97 | std::wstring_view str03(L"s, s"); | |
98 | std::wstring_view str04; | |
99 | ||
100 | #undef VERIFY | |
101 | #define VERIFY(x) if(!(x)) return false | |
102 | ||
103 | // size_type find_first_of(const wstring_view&, size_type pos = 0) const; | |
104 | std::wstring_view str05(L"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 | ||
ca8f2cb1 VV |
134 | // size_type find_first_of(const wchar_t* 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 wchar_t* 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(wchar_t c, size_type pos = 0) const; | |
147 | csz01 = str01.find_first_of(L'z'); | |
148 | csz02 = str01.size() - 1; | |
149 | VERIFY( csz01 == csz02 ); | |
c5ae1a27 JW |
150 | |
151 | return true; | |
ca8f2cb1 VV |
152 | } |
153 | ||
154 | int | |
155 | main() | |
c5ae1a27 | 156 | { |
ca8f2cb1 | 157 | test02(); |
c5ae1a27 | 158 | static_assert( test04() ); |
ca8f2cb1 VV |
159 | |
160 | return 0; | |
161 | } |