]>
Commit | Line | Data |
---|---|---|
83ffe9cd | 1 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
a0e4d7b4 TR |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
be08d573 | 18 | // C++20 29.8.3.2 basic_istringstream constructors [istringstream.cons] |
a0e4d7b4 TR |
19 | |
20 | // { dg-options "-std=gnu++2a" } | |
21 | // { dg-do run { target c++2a } } | |
a04b73e1 | 22 | // { dg-require-effective-target cxx11_abi } |
a0e4d7b4 TR |
23 | |
24 | #include <sstream> | |
25 | #include <string> | |
26 | #include <testsuite_allocator.h> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void | |
30 | test01() | |
31 | { | |
32 | std::wistringstream::allocator_type a; | |
33 | std::wistringstream stm(std::ios_base::in, a); | |
34 | } | |
35 | ||
36 | auto const cstr = L"This is a test"; | |
37 | ||
38 | void | |
39 | test02() | |
40 | { | |
41 | std::wstring s1(cstr); | |
42 | std::wistringstream stm(std::move(s1)); | |
43 | VERIFY( s1.empty() ); | |
44 | ||
45 | std::wstring s2(cstr); | |
46 | VERIFY( stm.str() == s2 ); | |
47 | } | |
48 | ||
49 | void | |
50 | test03() | |
51 | { | |
be08d573 JW |
52 | using C = wchar_t; |
53 | using alloc_type = __gnu_test::uneq_allocator<C>; | |
54 | using traits_type = std::char_traits<C>; | |
55 | using string = std::basic_string<C, traits_type, alloc_type>; | |
56 | using istringstream = std::basic_istringstream<C, traits_type, alloc_type>; | |
a0e4d7b4 TR |
57 | |
58 | auto const mode = std::ios_base::in; | |
be08d573 JW |
59 | alloc_type a1(1); |
60 | const string s1(cstr, a1); | |
a0e4d7b4 | 61 | |
be08d573 | 62 | // basic_istringstream() |
a0e4d7b4 | 63 | { |
be08d573 JW |
64 | alloc_type a0; |
65 | istringstream ss; | |
66 | VERIFY( ss.str().empty() ); | |
67 | VERIFY( ss.rdbuf()->get_allocator() == a0 ); | |
68 | VERIFY( ss.str().get_allocator() == a0 ); | |
a0e4d7b4 TR |
69 | } |
70 | ||
be08d573 | 71 | // basic_istringstream(openmode) |
a0e4d7b4 | 72 | { |
be08d573 JW |
73 | alloc_type a0; |
74 | istringstream ss(mode); | |
75 | VERIFY( ss.str().empty() ); | |
76 | VERIFY( ss.rdbuf()->get_allocator() == a0 ); | |
77 | VERIFY( ss.str().get_allocator() == a0 ); | |
a0e4d7b4 TR |
78 | } |
79 | ||
be08d573 | 80 | // basic_istringstream(const basic_string<C,T,A>&, openmode = in) |
a0e4d7b4 | 81 | { |
be08d573 JW |
82 | istringstream ss(s1); |
83 | VERIFY( ss.str() == cstr ); | |
84 | VERIFY( ss.rdbuf()->get_allocator() == a1 ); | |
85 | VERIFY( ss.str().get_allocator() == a1 ); | |
86 | } | |
87 | ||
88 | // basic_istringstream(const basic_string<C,T,A>&, openmode = in) | |
89 | { | |
90 | istringstream ss(s1, mode); | |
91 | VERIFY( ss.str() == cstr ); | |
92 | VERIFY( ss.rdbuf()->get_allocator() == a1 ); | |
93 | VERIFY( ss.str().get_allocator() == a1 ); | |
94 | } | |
95 | ||
96 | // basic_istringstream(openmode, const A&) | |
97 | { | |
98 | istringstream ss(mode, a1); | |
99 | VERIFY( ss.str().empty() ); | |
100 | VERIFY( ss.rdbuf()->get_allocator() == a1 ); | |
101 | VERIFY( ss.str().get_allocator() == a1 ); | |
102 | } | |
103 | ||
104 | // basic_istringstream(basic_string<C,T,A>&&, openmode = in) | |
105 | { | |
106 | istringstream ss(string{s1}); | |
107 | VERIFY( ss.str() == s1 ); | |
108 | VERIFY( ss.rdbuf()->get_allocator() == a1 ); | |
109 | VERIFY( ss.str().get_allocator() == a1 ); | |
110 | } | |
111 | ||
112 | // basic_istringstream(basic_string<C,T,A>&&, openmode = in) | |
113 | { | |
114 | istringstream ss(string(s1), mode); | |
115 | VERIFY( ss.str() == s1 ); | |
116 | VERIFY( ss.rdbuf()->get_allocator() == a1 ); | |
117 | VERIFY( ss.str().get_allocator() == a1 ); | |
118 | } | |
119 | ||
120 | // basic_istringstream(const basic_string<C,T,SA>&, const A&) | |
121 | { | |
122 | alloc_type a2(2); | |
123 | istringstream ss(s1, a2); | |
124 | VERIFY( ss.str() == s1 ); | |
125 | VERIFY( ss.rdbuf()->get_allocator() == a2 ); | |
126 | VERIFY( ss.str().get_allocator() == a2 ); | |
127 | } | |
128 | ||
129 | // basic_istringstream(const basic_string<C,T,SA>&, const A&) | |
130 | { | |
131 | alloc_type a2(2); | |
132 | const std::wstring s2 = cstr; | |
133 | istringstream ss(s2, a2); | |
134 | VERIFY( ss.str() == cstr ); | |
135 | VERIFY( ss.rdbuf()->get_allocator() == a2 ); | |
136 | VERIFY( ss.str().get_allocator() == a2 ); | |
137 | } | |
138 | ||
139 | // basic_istringstream(const basic_string<C,T,SA>&, openmode, const A&) | |
140 | { | |
141 | alloc_type a2(2); | |
142 | istringstream ss(s1, mode, a2); | |
143 | VERIFY( ss.str() == s1 ); | |
144 | VERIFY( ss.rdbuf()->get_allocator() == a2 ); | |
145 | VERIFY( ss.str().get_allocator() == a2 ); | |
146 | } | |
147 | ||
148 | // basic_istringstream(const basic_string<C,T,SA>&, openmode, const A&) | |
149 | { | |
150 | alloc_type a2(2); | |
151 | const std::wstring s2 = cstr; | |
152 | istringstream ss(s2, mode, a2); | |
153 | VERIFY( ss.str() == cstr ); | |
154 | VERIFY( ss.rdbuf()->get_allocator() == a2 ); | |
155 | VERIFY( ss.str().get_allocator() == a2 ); | |
156 | } | |
157 | ||
158 | // basic_istringstream(const basic_string<C,T,SA>&, openmode = in) | |
159 | { | |
160 | alloc_type a0; | |
161 | const std::wstring s2 = cstr; | |
162 | istringstream ss(s2, mode); | |
163 | VERIFY( ss.str() == cstr ); | |
164 | VERIFY( ss.rdbuf()->get_allocator() == a0 ); | |
165 | VERIFY( ss.str().get_allocator() == a0 ); | |
a0e4d7b4 TR |
166 | } |
167 | } | |
168 | ||
169 | int | |
170 | main() | |
171 | { | |
172 | test01(); | |
173 | test02(); | |
174 | test03(); | |
175 | return 0; | |
176 | } |