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a945c346 | 1 | // Copyright (C) 2017-2024 Free Software Foundation, Inc. |
d951e75d JW |
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 | ||
18 | // { dg-do run { target c++11 } } | |
19 | ||
20 | #include <locale> | |
21 | #include <codecvt> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | using std::codecvt_base; | |
25 | using std::codecvt_mode; | |
26 | using std::codecvt_utf16; | |
27 | using std::wstring_convert; | |
28 | using std::mbstate_t; | |
29 | ||
30 | constexpr codecvt_mode | |
31 | operator|(codecvt_mode m1, codecvt_mode m2) | |
32 | { | |
33 | using underlying = std::underlying_type<codecvt_mode>::type; | |
34 | return static_cast<codecvt_mode>(static_cast<underlying>(m1) | m2); | |
35 | } | |
36 | ||
37 | // Read/write UTF-16 code units from data not correctly aligned for char16_t | |
38 | ||
39 | void | |
40 | test01() | |
41 | { | |
42 | mbstate_t st; | |
43 | constexpr codecvt_mode m = std::consume_header|std::generate_header; | |
44 | codecvt_utf16<char16_t, 0x10FFFF, m> conv; | |
45 | const char src[] = "-\xFE\xFF\0\x61\xAB\xCD"; | |
46 | const char* const src_end = src + 7; | |
47 | ||
48 | int len = conv.length(st, src + 1, src_end, 1); | |
49 | VERIFY( len == 4 ); | |
50 | len = conv.length(st, src + 1, src_end, 2); | |
51 | VERIFY( len == 6 ); | |
52 | ||
53 | char16_t dst[2]; | |
54 | char16_t* const dst_end = dst + 2; | |
55 | char16_t* dst_next; | |
56 | const char* src_cnext; | |
57 | auto res = conv.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
58 | VERIFY( res == codecvt_base::ok ); | |
59 | VERIFY( dst[0] == 0x0061 ); | |
60 | VERIFY( dst[1] == 0xabcd ); | |
61 | VERIFY( src_cnext == src_end ); | |
62 | VERIFY( dst_next == dst_end ); | |
63 | ||
64 | char out[sizeof(src)] = { src[0] }; | |
65 | char* const out_end = out + 7; | |
66 | char* out_next; | |
67 | const char16_t* dst_cnext; | |
68 | res = conv.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
69 | VERIFY( res == codecvt_base::ok ); | |
70 | VERIFY( out_next == out_end ); | |
71 | VERIFY( dst_cnext == dst_end ); | |
72 | VERIFY( out[1] == src[1] ); | |
73 | VERIFY( out[2] == src[2] ); | |
74 | VERIFY( out[3] == src[3] ); | |
75 | VERIFY( out[4] == src[4] ); | |
76 | VERIFY( out[5] == src[5] ); | |
77 | VERIFY( out[6] == src[6] ); | |
78 | ||
79 | codecvt_utf16<char16_t, 0x10FFFF, m|std::little_endian> conv_le; | |
80 | ||
81 | len = conv_le.length(st, src + 1, src_end, 1); | |
82 | VERIFY( len == 4 ); | |
83 | len = conv_le.length(st, src + 1, src_end, 2); | |
84 | VERIFY( len == 6 ); | |
85 | ||
86 | res = conv_le.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
87 | VERIFY( res == codecvt_base::ok ); | |
88 | VERIFY( dst[0] == 0x0061 ); | |
89 | VERIFY( dst[1] == 0xabcd ); | |
90 | VERIFY( src_cnext == src_end ); | |
91 | VERIFY( dst_next == dst_end ); | |
92 | ||
93 | res = conv_le.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
94 | VERIFY( res == codecvt_base::ok ); | |
95 | VERIFY( out_next == out_end ); | |
96 | VERIFY( dst_cnext == dst_end ); | |
97 | VERIFY( out[1] == src[2] ); | |
98 | VERIFY( out[2] == src[1] ); | |
99 | VERIFY( out[3] == src[4] ); | |
100 | VERIFY( out[4] == src[3] ); | |
101 | VERIFY( out[5] == src[6] ); | |
102 | VERIFY( out[6] == src[5] ); | |
103 | } | |
104 | ||
105 | void | |
106 | test02() | |
107 | { | |
108 | mbstate_t st; | |
109 | constexpr codecvt_mode m = std::consume_header|std::generate_header; | |
110 | codecvt_utf16<char32_t, 0x10FFFF, m> conv; | |
111 | const char src[] = "-\xFE\xFF\0\x61\xAB\xCD\xD8\x08\xDF\x45"; | |
112 | const char* const src_end = src + 11; | |
113 | ||
114 | int len = conv.length(st, src + 1, src_end, 1); | |
115 | VERIFY( len == 4 ); | |
116 | len = conv.length(st, src + 1, src_end, 2); | |
117 | VERIFY( len == 6 ); | |
118 | len = conv.length(st, src + 1, src_end, -1ul); | |
119 | VERIFY( len == 10 ); | |
120 | ||
121 | char32_t dst[3]; | |
122 | char32_t* const dst_end = dst + 3; | |
123 | char32_t* dst_next; | |
124 | const char* src_cnext; | |
125 | auto res = conv.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
126 | VERIFY( res == codecvt_base::ok ); | |
127 | VERIFY( dst[0] == 0x0061 ); | |
128 | VERIFY( dst[1] == 0xabcd ); | |
129 | VERIFY( dst[2] == 0x012345 ); | |
130 | VERIFY( src_cnext == src_end ); | |
131 | VERIFY( dst_next == dst_end ); | |
132 | ||
133 | char out[sizeof(src)] = { src[0] }; | |
134 | char* const out_end = out + 11; | |
135 | char* out_next; | |
136 | const char32_t* dst_cnext; | |
137 | res = conv.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
138 | VERIFY( res == codecvt_base::ok ); | |
139 | VERIFY( out_next == out_end ); | |
140 | VERIFY( dst_cnext == dst_end ); | |
141 | VERIFY( out[1] == src[1] ); | |
142 | VERIFY( out[2] == src[2] ); | |
143 | VERIFY( out[3] == src[3] ); | |
144 | VERIFY( out[4] == src[4] ); | |
145 | VERIFY( out[5] == src[5] ); | |
146 | VERIFY( out[6] == src[6] ); | |
147 | VERIFY( out[7] == src[7] ); | |
148 | VERIFY( out[8] == src[8] ); | |
149 | VERIFY( out[9] == src[9] ); | |
150 | VERIFY( out[10] == src[10] ); | |
151 | ||
152 | codecvt_utf16<char32_t, 0x10FFFF, m|std::little_endian> conv_le; | |
153 | ||
154 | len = conv_le.length(st, src + 1, src_end, 1); | |
155 | VERIFY( len == 4 ); | |
156 | len = conv_le.length(st, src + 1, src_end, 2); | |
157 | VERIFY( len == 6 ); | |
158 | len = conv.length(st, src + 1, src_end, -1ul); | |
159 | VERIFY( len == 10 ); | |
160 | ||
161 | res = conv_le.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
162 | VERIFY( res == codecvt_base::ok ); | |
163 | VERIFY( dst[0] == 0x0061 ); | |
164 | VERIFY( dst[1] == 0xabcd ); | |
165 | VERIFY( dst[2] == 0x012345 ); | |
166 | VERIFY( src_cnext == src_end ); | |
167 | VERIFY( dst_next == dst_end ); | |
168 | ||
169 | res = conv_le.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
170 | VERIFY( res == codecvt_base::ok ); | |
171 | VERIFY( out_next == out_end ); | |
172 | VERIFY( dst_cnext == dst_end ); | |
173 | VERIFY( out[1] == src[2] ); | |
174 | VERIFY( out[2] == src[1] ); | |
175 | VERIFY( out[3] == src[4] ); | |
176 | VERIFY( out[4] == src[3] ); | |
177 | VERIFY( out[5] == src[6] ); | |
178 | VERIFY( out[6] == src[5] ); | |
179 | VERIFY( out[7] == src[8] ); | |
180 | VERIFY( out[8] == src[7] ); | |
181 | VERIFY( out[9] == src[10] ); | |
182 | VERIFY( out[10] == src[9] ); | |
183 | } | |
184 | ||
185 | void | |
186 | test03() | |
187 | { | |
188 | #ifdef _GLIBCXX_USE_WCHAR_T | |
189 | mbstate_t st; | |
190 | constexpr codecvt_mode m = std::consume_header|std::generate_header; | |
191 | codecvt_utf16<wchar_t, 0x10FFFF, m> conv; | |
192 | const char src[] = "-\xFE\xFF\0\x61\xAB\xCD\xD8\x08\xDF\x45"; | |
193 | const size_t in_len = sizeof(wchar_t) == 4 ? 11 : 7; | |
194 | const size_t out_len = sizeof(wchar_t) == 4 ? 3 : 2; | |
195 | const char* const src_end = src + in_len; | |
196 | ||
197 | int len = conv.length(st, src + 1, src_end, 1); | |
198 | VERIFY( len == 4 ); | |
199 | len = conv.length(st, src + 1, src_end, 2); | |
200 | VERIFY( len == 6 ); | |
201 | if (sizeof(wchar_t) == 4) | |
202 | { | |
203 | len = conv.length(st, src + 1, src_end, -1ul); | |
204 | VERIFY( len == 10 ); | |
205 | } | |
206 | ||
207 | wchar_t dst[out_len]; | |
208 | wchar_t* const dst_end = dst + out_len; | |
209 | wchar_t* dst_next; | |
210 | const char* src_cnext; | |
211 | auto res = conv.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
212 | VERIFY( res == codecvt_base::ok ); | |
213 | VERIFY( dst[0] == 0x0061 ); | |
214 | VERIFY( dst[1] == 0xabcd ); | |
215 | if (sizeof(wchar_t) == 4) | |
216 | VERIFY( dst[2] == 0x012345 ); | |
217 | VERIFY( src_cnext == src_end ); | |
218 | VERIFY( dst_next == dst_end ); | |
219 | ||
220 | char out[sizeof(src)] = { src[0] }; | |
221 | char* const out_end = out + in_len; | |
222 | char* out_next; | |
223 | const wchar_t* dst_cnext; | |
224 | res = conv.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
225 | VERIFY( res == codecvt_base::ok ); | |
226 | VERIFY( out_next == out_end ); | |
227 | VERIFY( dst_cnext == dst_end ); | |
228 | VERIFY( out[1] == src[1] ); | |
229 | VERIFY( out[2] == src[2] ); | |
230 | VERIFY( out[3] == src[3] ); | |
231 | VERIFY( out[4] == src[4] ); | |
232 | VERIFY( out[5] == src[5] ); | |
233 | VERIFY( out[6] == src[6] ); | |
234 | if (sizeof(wchar_t) == 4) | |
235 | { | |
236 | VERIFY( out[7] == src[7] ); | |
237 | VERIFY( out[8] == src[8] ); | |
238 | VERIFY( out[9] == src[9] ); | |
239 | VERIFY( out[10] == src[10] ); | |
240 | } | |
241 | ||
242 | codecvt_utf16<wchar_t, 0x10FFFF, m|std::little_endian> conv_le; | |
243 | ||
244 | len = conv_le.length(st, src + 1, src_end, 1); | |
245 | VERIFY( len == 4 ); | |
246 | len = conv_le.length(st, src + 1, src_end, 2); | |
247 | VERIFY( len == 6 ); | |
248 | if (sizeof(wchar_t) == 4) | |
249 | { | |
250 | len = conv.length(st, src + 1, src_end, -1ul); | |
251 | VERIFY( len == 10 ); | |
252 | } | |
253 | ||
254 | res = conv_le.in(st, src + 1, src_end, src_cnext, dst, dst_end, dst_next); | |
255 | VERIFY( res == codecvt_base::ok ); | |
256 | VERIFY( dst[0] == 0x0061 ); | |
257 | VERIFY( dst[1] == 0xabcd ); | |
258 | if (sizeof(wchar_t) == 4) | |
259 | VERIFY( dst[2] == 0x012345 ); | |
260 | VERIFY( src_cnext == src_end ); | |
261 | VERIFY( dst_next == dst_end ); | |
262 | ||
263 | res = conv_le.out(st, dst, dst_end, dst_cnext, out + 1, out_end, out_next); | |
264 | VERIFY( res == codecvt_base::ok ); | |
265 | VERIFY( out_next == out_end ); | |
266 | VERIFY( dst_cnext == dst_end ); | |
267 | VERIFY( out[1] == src[2] ); | |
268 | VERIFY( out[2] == src[1] ); | |
269 | VERIFY( out[3] == src[4] ); | |
270 | VERIFY( out[4] == src[3] ); | |
271 | VERIFY( out[5] == src[6] ); | |
272 | VERIFY( out[6] == src[5] ); | |
273 | if (sizeof(wchar_t) == 4) | |
274 | { | |
275 | VERIFY( out[7] == src[8] ); | |
276 | VERIFY( out[8] == src[7] ); | |
277 | VERIFY( out[9] == src[10] ); | |
278 | VERIFY( out[10] == src[9] ); | |
279 | } | |
280 | #endif | |
281 | } | |
282 | ||
283 | int | |
284 | main() | |
285 | { | |
286 | test01(); | |
287 | test02(); | |
288 | test03(); | |
289 | } |