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a945c346 | 1 | // Copyright (C) 2017-2024 Free Software Foundation, Inc. |
804b7cc4 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 | ||
c104e8f1 | 18 | // { dg-do run { target c++14 } } |
e58683fb | 19 | // { dg-require-string-conversions "" } |
804b7cc4 JW |
20 | |
21 | #include <charconv> | |
c104e8f1 JW |
22 | #if __cplusplus >= 201703L |
23 | # include <string_view> | |
24 | using std::string_view; | |
25 | #else | |
26 | // <charconv> is supported in C++14 as a GNU extension | |
27 | # include <string> | |
28 | using string_view = std::string; | |
29 | #endif | |
804b7cc4 JW |
30 | |
31 | template<typename I> | |
32 | bool | |
c104e8f1 | 33 | check_to_chars(I val, string_view expected, int base = 0) |
804b7cc4 JW |
34 | { |
35 | // Space for minus sign, 64 binary digits, final '*', and null terminator: | |
36 | char buf[67] = "******************************************************************"; | |
37 | std::to_chars_result r = base == 0 | |
38 | ? std::to_chars(buf, buf+sizeof(buf), val) | |
39 | : std::to_chars(buf, buf+sizeof(buf), val, base); | |
c104e8f1 | 40 | return r.ec == std::errc{} && *r.ptr == '*' && string_view(buf, r.ptr - buf) == expected; |
804b7cc4 JW |
41 | } |
42 | ||
43 | #include <string> | |
44 | #include <climits> | |
45 | #include <testsuite_hooks.h> | |
46 | ||
47 | // Using default base 10 | |
48 | void | |
49 | test01() | |
50 | { | |
51 | VERIFY( check_to_chars<char>(0, "0") ); | |
52 | VERIFY( check_to_chars<signed char>(0, "0") ); | |
53 | VERIFY( check_to_chars<unsigned char>(0, "0") ); | |
54 | VERIFY( check_to_chars<signed short>(0, "0") ); | |
55 | VERIFY( check_to_chars<unsigned short>(0, "0") ); | |
56 | VERIFY( check_to_chars<signed int>(0, "0") ); | |
57 | VERIFY( check_to_chars<unsigned int>(0, "0") ); | |
58 | VERIFY( check_to_chars<signed long>(0, "0") ); | |
59 | VERIFY( check_to_chars<unsigned long>(0, "0") ); | |
60 | VERIFY( check_to_chars<signed long long>(0, "0") ); | |
61 | VERIFY( check_to_chars<unsigned long long>(0, "0") ); | |
62 | ||
63 | VERIFY( check_to_chars<char>(1, "1") ); | |
64 | VERIFY( check_to_chars<signed char>(1, "1") ); | |
65 | VERIFY( check_to_chars<unsigned char>(1, "1") ); | |
66 | VERIFY( check_to_chars<signed short>(1, "1") ); | |
67 | VERIFY( check_to_chars<unsigned short>(1, "1") ); | |
68 | VERIFY( check_to_chars<signed int>(1, "1") ); | |
69 | VERIFY( check_to_chars<unsigned int>(1, "1") ); | |
70 | VERIFY( check_to_chars<signed long>(1, "1") ); | |
71 | VERIFY( check_to_chars<unsigned long>(1, "1") ); | |
72 | VERIFY( check_to_chars<signed long long>(1, "1") ); | |
73 | VERIFY( check_to_chars<unsigned long long>(1, "1") ); | |
74 | ||
75 | VERIFY( check_to_chars<char>(123, "123") ); | |
76 | VERIFY( check_to_chars<signed char>(123, "123") ); | |
77 | VERIFY( check_to_chars<unsigned char>(123, "123") ); | |
78 | VERIFY( check_to_chars<signed short>(123, "123") ); | |
79 | VERIFY( check_to_chars<unsigned short>(123, "123") ); | |
80 | VERIFY( check_to_chars<signed int>(123, "123") ); | |
81 | VERIFY( check_to_chars<unsigned int>(123, "123") ); | |
82 | VERIFY( check_to_chars<signed long>(123, "123") ); | |
83 | VERIFY( check_to_chars<unsigned long>(123, "123") ); | |
84 | VERIFY( check_to_chars<signed long long>(123, "123") ); | |
85 | VERIFY( check_to_chars<unsigned long long>(123, "123") ); | |
86 | ||
c104e8f1 | 87 | if (std::is_signed<char>::value) |
804b7cc4 JW |
88 | VERIFY( check_to_chars<char>(-79, "-79") ); |
89 | VERIFY( check_to_chars<signed char>(-79, "-79") ); | |
90 | VERIFY( check_to_chars<signed short>(-79, "-79") ); | |
91 | VERIFY( check_to_chars<signed int>(-79, "-79") ); | |
92 | VERIFY( check_to_chars<signed long>(-79, "-79") ); | |
93 | VERIFY( check_to_chars<signed long long>(-79, "-79") ); | |
94 | ||
95 | using std::to_string; | |
96 | ||
97 | VERIFY( check_to_chars<char>(CHAR_MAX, to_string(CHAR_MAX)) ); | |
98 | VERIFY( check_to_chars<signed char>(SCHAR_MAX, to_string(SCHAR_MAX)) ); | |
99 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX, to_string(UCHAR_MAX)) ); | |
100 | VERIFY( check_to_chars<signed short>(SHRT_MAX, to_string(SHRT_MAX)) ); | |
101 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX, to_string(USHRT_MAX)) ); | |
102 | VERIFY( check_to_chars<signed int>(INT_MAX, to_string(INT_MAX)) ); | |
103 | VERIFY( check_to_chars<unsigned int>(UINT_MAX, to_string(UINT_MAX)) ); | |
104 | VERIFY( check_to_chars<signed long>(LONG_MAX, to_string(LONG_MAX)) ); | |
105 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX, to_string(ULONG_MAX)) ); | |
106 | VERIFY( check_to_chars<signed long long>(LLONG_MAX, to_string(LLONG_MAX)) ); | |
107 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX, to_string(ULLONG_MAX)) ); | |
108 | ||
109 | VERIFY( check_to_chars<char>(CHAR_MIN, to_string(CHAR_MIN)) ); | |
110 | VERIFY( check_to_chars<signed char>(SCHAR_MIN, to_string(SCHAR_MIN)) ); | |
111 | VERIFY( check_to_chars<signed short>(SHRT_MIN, to_string(SHRT_MIN)) ); | |
112 | VERIFY( check_to_chars<signed int>(INT_MIN, to_string(INT_MIN)) ); | |
113 | VERIFY( check_to_chars<signed long>(LONG_MIN, to_string(LONG_MIN)) ); | |
114 | VERIFY( check_to_chars<signed long long>(LLONG_MIN, to_string(LLONG_MIN)) ); | |
115 | ||
116 | VERIFY( check_to_chars<char>(CHAR_MAX/2, to_string(CHAR_MAX/2)) ); | |
117 | VERIFY( check_to_chars<signed char>(SCHAR_MAX/2, to_string(SCHAR_MAX/2)) ); | |
118 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX/2, to_string(UCHAR_MAX/2)) ); | |
119 | VERIFY( check_to_chars<signed short>(SHRT_MAX/2, to_string(SHRT_MAX/2)) ); | |
120 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX/2, to_string(USHRT_MAX/2)) ); | |
121 | VERIFY( check_to_chars<signed int>(INT_MAX/2, to_string(INT_MAX/2)) ); | |
122 | VERIFY( check_to_chars<unsigned int>(UINT_MAX/2, to_string(UINT_MAX/2)) ); | |
123 | VERIFY( check_to_chars<signed long>(LONG_MAX/2, to_string(LONG_MAX/2)) ); | |
124 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX/2, to_string(ULONG_MAX/2)) ); | |
125 | VERIFY( check_to_chars<signed long long>(LLONG_MAX/2, to_string(LLONG_MAX/2)) ); | |
126 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX/2, to_string(ULLONG_MAX/2)) ); | |
127 | } | |
128 | ||
129 | // Using explicit base 10 | |
130 | void | |
131 | test02() | |
132 | { | |
133 | VERIFY( check_to_chars<char>(0, "0", 10) ); | |
134 | VERIFY( check_to_chars<signed char>(0, "0", 10) ); | |
135 | VERIFY( check_to_chars<unsigned char>(0, "0", 10) ); | |
136 | VERIFY( check_to_chars<signed short>(0, "0", 10) ); | |
137 | VERIFY( check_to_chars<unsigned short>(0, "0", 10) ); | |
138 | VERIFY( check_to_chars<signed int>(0, "0", 10) ); | |
139 | VERIFY( check_to_chars<unsigned int>(0, "0", 10) ); | |
140 | VERIFY( check_to_chars<signed long>(0, "0", 10) ); | |
141 | VERIFY( check_to_chars<unsigned long>(0, "0", 10) ); | |
142 | VERIFY( check_to_chars<signed long long>(0, "0", 10) ); | |
143 | VERIFY( check_to_chars<unsigned long long>(0, "0", 10) ); | |
144 | ||
145 | VERIFY( check_to_chars<char>(1, "1", 10) ); | |
146 | VERIFY( check_to_chars<signed char>(1, "1", 10) ); | |
147 | VERIFY( check_to_chars<unsigned char>(1, "1", 10) ); | |
148 | VERIFY( check_to_chars<signed short>(1, "1", 10) ); | |
149 | VERIFY( check_to_chars<unsigned short>(1, "1", 10) ); | |
150 | VERIFY( check_to_chars<signed int>(1, "1", 10) ); | |
151 | VERIFY( check_to_chars<unsigned int>(1, "1", 10) ); | |
152 | VERIFY( check_to_chars<signed long>(1, "1", 10) ); | |
153 | VERIFY( check_to_chars<unsigned long>(1, "1", 10) ); | |
154 | VERIFY( check_to_chars<signed long long>(1, "1", 10) ); | |
155 | VERIFY( check_to_chars<unsigned long long>(1, "1", 10) ); | |
156 | ||
157 | VERIFY( check_to_chars<char>(123, "123", 10) ); | |
158 | VERIFY( check_to_chars<signed char>(123, "123", 10) ); | |
159 | VERIFY( check_to_chars<unsigned char>(123, "123", 10) ); | |
160 | VERIFY( check_to_chars<signed short>(123, "123", 10) ); | |
161 | VERIFY( check_to_chars<unsigned short>(123, "123", 10) ); | |
162 | VERIFY( check_to_chars<signed int>(123, "123", 10) ); | |
163 | VERIFY( check_to_chars<unsigned int>(123, "123", 10) ); | |
164 | VERIFY( check_to_chars<signed long>(123, "123", 10) ); | |
165 | VERIFY( check_to_chars<unsigned long>(123, "123", 10) ); | |
166 | VERIFY( check_to_chars<signed long long>(123, "123", 10) ); | |
167 | VERIFY( check_to_chars<unsigned long long>(123, "123", 10) ); | |
168 | ||
c104e8f1 | 169 | if (std::is_signed<char>::value) |
804b7cc4 JW |
170 | VERIFY( check_to_chars<char>(-79, "-79", 10) ); |
171 | VERIFY( check_to_chars<signed char>(-79, "-79", 10) ); | |
172 | VERIFY( check_to_chars<signed short>(-79, "-79", 10) ); | |
173 | VERIFY( check_to_chars<signed int>(-79, "-79", 10) ); | |
174 | VERIFY( check_to_chars<signed long>(-79, "-79", 10) ); | |
175 | VERIFY( check_to_chars<signed long long>(-79, "-79", 10) ); | |
176 | ||
177 | using std::to_string; | |
178 | ||
179 | VERIFY( check_to_chars<char>(CHAR_MAX, to_string(CHAR_MAX), 10) ); | |
180 | VERIFY( check_to_chars<signed char>(SCHAR_MAX, to_string(SCHAR_MAX), 10) ); | |
181 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX, to_string(UCHAR_MAX), 10) ); | |
182 | VERIFY( check_to_chars<signed short>(SHRT_MAX, to_string(SHRT_MAX), 10) ); | |
183 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX, to_string(USHRT_MAX), 10) ); | |
184 | VERIFY( check_to_chars<signed int>(INT_MAX, to_string(INT_MAX), 10) ); | |
185 | VERIFY( check_to_chars<unsigned int>(UINT_MAX, to_string(UINT_MAX), 10) ); | |
186 | VERIFY( check_to_chars<signed long>(LONG_MAX, to_string(LONG_MAX), 10) ); | |
187 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX, to_string(ULONG_MAX), 10) ); | |
188 | VERIFY( check_to_chars<signed long long>(LLONG_MAX, to_string(LLONG_MAX), 10) ); | |
189 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX, to_string(ULLONG_MAX), 10) ); | |
190 | ||
191 | VERIFY( check_to_chars<char>(CHAR_MIN, to_string(CHAR_MIN), 10) ); | |
192 | VERIFY( check_to_chars<signed char>(SCHAR_MIN, to_string(SCHAR_MIN), 10) ); | |
193 | VERIFY( check_to_chars<signed short>(SHRT_MIN, to_string(SHRT_MIN), 10) ); | |
194 | VERIFY( check_to_chars<signed int>(INT_MIN, to_string(INT_MIN), 10) ); | |
195 | VERIFY( check_to_chars<signed long>(LONG_MIN, to_string(LONG_MIN), 10) ); | |
196 | VERIFY( check_to_chars<signed long long>(LLONG_MIN, to_string(LLONG_MIN), 10) ); | |
197 | ||
198 | VERIFY( check_to_chars<char>(CHAR_MAX/2, to_string(CHAR_MAX/2), 10) ); | |
199 | VERIFY( check_to_chars<signed char>(SCHAR_MAX/2, to_string(SCHAR_MAX/2), 10) ); | |
200 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX/2, to_string(UCHAR_MAX/2), 10) ); | |
201 | VERIFY( check_to_chars<signed short>(SHRT_MAX/2, to_string(SHRT_MAX/2), 10) ); | |
202 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX/2, to_string(USHRT_MAX/2), 10) ); | |
203 | VERIFY( check_to_chars<signed int>(INT_MAX/2, to_string(INT_MAX/2), 10) ); | |
204 | VERIFY( check_to_chars<unsigned int>(UINT_MAX/2, to_string(UINT_MAX/2), 10) ); | |
205 | VERIFY( check_to_chars<signed long>(LONG_MAX/2, to_string(LONG_MAX/2), 10) ); | |
206 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX/2, to_string(ULONG_MAX/2), 10) ); | |
207 | VERIFY( check_to_chars<signed long long>(LLONG_MAX/2, to_string(LLONG_MAX/2), 10) ); | |
208 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX/2, to_string(ULLONG_MAX/2), 10) ); | |
209 | } | |
210 | ||
211 | // Using all bases | |
212 | void | |
213 | test03() | |
214 | { | |
215 | // -2017 in all bases from [2,36] | |
216 | const char* str2017[37] = { nullptr, nullptr, | |
217 | "-11111100001", | |
218 | "-2202201", | |
219 | "-133201", | |
220 | "-31032", | |
221 | "-13201", | |
222 | "-5611", | |
223 | "-3741", | |
224 | "-2681", | |
225 | "-2017", | |
226 | "-1574", | |
227 | "-1201", | |
228 | "-bc2", | |
229 | "-a41", | |
230 | "-8e7", | |
231 | "-7e1", | |
232 | "-6gb", | |
233 | "-641", | |
234 | "-5b3", | |
235 | "-50h", | |
236 | "-4c1", | |
237 | "-43f", | |
238 | "-3ig", | |
239 | "-3c1", | |
240 | "-35h", | |
241 | "-2pf", | |
242 | "-2kj", | |
243 | "-2g1", | |
244 | "-2bg", | |
245 | "-277", | |
246 | "-232", | |
247 | "-1v1", | |
248 | "-1s4", | |
249 | "-1pb", | |
250 | "-1mm", | |
251 | "-1k1" | |
252 | }; | |
253 | // -12345 in all bases from [2,36] | |
254 | const char* str12345[37] = { nullptr, nullptr, | |
255 | "-11000000111001", | |
256 | "-121221020", | |
257 | "-3000321", | |
258 | "-343340", | |
259 | "-133053", | |
260 | "-50664", | |
261 | "-30071", | |
262 | "-17836", | |
263 | "-12345", | |
264 | "-9303", | |
265 | "-7189", | |
266 | "-5808", | |
267 | "-46db", | |
268 | "-39d0", | |
269 | "-3039", | |
270 | "-28c3", | |
271 | "-221f", | |
272 | "-1f3e", | |
273 | "-1ah5", | |
274 | "-16ki", | |
275 | "-13b3", | |
276 | "-107h", | |
277 | "-la9", | |
278 | "-jik", | |
279 | "-i6l", | |
280 | "-gp6", | |
281 | "-fkp", | |
282 | "-ejk", | |
283 | "-dlf", | |
284 | "-cq7", | |
285 | "-c1p", | |
286 | "-bb3", | |
287 | "-an3", | |
288 | "-a2p", | |
289 | "-9ix" | |
290 | }; | |
291 | // -23456 in all bases from [2,36] | |
292 | const char* str23456[37] = { nullptr, nullptr, | |
293 | "-101101110100000", | |
294 | "-1012011202", | |
295 | "-11232200", | |
296 | "-1222311", | |
297 | "-300332", | |
298 | "-125246", | |
299 | "-55640", | |
300 | "-35152", | |
301 | "-23456", | |
302 | "-16694", | |
303 | "-116a8", | |
304 | "-a8a4", | |
305 | "-8796", | |
306 | "-6e3b", | |
307 | "-5ba0", | |
308 | "-4d2d", | |
309 | "-4072", | |
310 | "-37ia", | |
311 | "-2icg", | |
312 | "-2b3k", | |
313 | "-24a4", | |
314 | "-1l7j", | |
315 | "-1gh8", | |
316 | "-1cd6", | |
317 | "-18i4", | |
318 | "-154k", | |
319 | "-11pk", | |
320 | "-rpo", | |
321 | "-q1q", | |
322 | "-ock", | |
323 | "-mt0", | |
324 | "-lhq", | |
325 | "-k9u", | |
326 | "-j56", | |
327 | "-i3k" | |
328 | }; | |
329 | // INT_MIN in all bases from [2,36] | |
330 | const char* strINT_MIN[37] = { nullptr, nullptr, | |
331 | "-10000000000000000000000000000000", | |
332 | "-12112122212110202102", | |
333 | "-2000000000000000", | |
334 | "-13344223434043", | |
335 | "-553032005532", | |
336 | "-104134211162", | |
337 | "-20000000000", | |
338 | "-5478773672", | |
339 | "-2147483648", | |
340 | "-a02220282", | |
341 | "-4bb2308a8", | |
342 | "-282ba4aab", | |
343 | "-1652ca932", | |
344 | "-c87e66b8", | |
345 | "-80000000", | |
346 | "-53g7f549", | |
347 | "-3928g3h2", | |
348 | "-27c57h33", | |
349 | "-1db1f928", | |
350 | "-140h2d92", | |
351 | "-ikf5bf2", | |
352 | "-ebelf96", | |
353 | "-b5gge58", | |
354 | "-8jmdnkn", | |
355 | "-6oj8ioo", | |
356 | "-5ehnckb", | |
357 | "-4clm98g", | |
358 | "-3hk7988", | |
359 | "-2sb6cs8", | |
360 | "-2d09uc2", | |
361 | "-2000000", | |
362 | "-1lsqtl2", | |
363 | "-1d8xqrq", | |
364 | "-15v22un", | |
365 | "-zik0zk" | |
366 | }; | |
367 | ||
368 | for (int base = 2; base <= 36; ++base) | |
369 | { | |
370 | VERIFY( check_to_chars<char>(0, "0", base) ); | |
371 | VERIFY( check_to_chars<signed char>(0, "0", base) ); | |
372 | VERIFY( check_to_chars<unsigned char>(0, "0", base) ); | |
373 | VERIFY( check_to_chars<signed short>(0, "0", base) ); | |
374 | VERIFY( check_to_chars<unsigned short>(0, "0", base) ); | |
375 | VERIFY( check_to_chars<signed int>(0, "0", base) ); | |
376 | VERIFY( check_to_chars<unsigned int>(0, "0", base) ); | |
377 | VERIFY( check_to_chars<signed long>(0, "0", base) ); | |
378 | VERIFY( check_to_chars<unsigned long>(0, "0", base) ); | |
379 | VERIFY( check_to_chars<signed long long>(0, "0", base) ); | |
380 | VERIFY( check_to_chars<unsigned long long>(0, "0", base) ); | |
381 | ||
382 | VERIFY( check_to_chars<char>(1, "1", base) ); | |
383 | VERIFY( check_to_chars<signed char>(1, "1", base) ); | |
384 | VERIFY( check_to_chars<unsigned char>(1, "1", base) ); | |
385 | VERIFY( check_to_chars<signed short>(1, "1", base) ); | |
386 | VERIFY( check_to_chars<unsigned short>(1, "1", base) ); | |
387 | VERIFY( check_to_chars<signed int>(1, "1", base) ); | |
388 | VERIFY( check_to_chars<unsigned int>(1, "1", base) ); | |
389 | VERIFY( check_to_chars<signed long>(1, "1", base) ); | |
390 | VERIFY( check_to_chars<unsigned long>(1, "1", base) ); | |
391 | VERIFY( check_to_chars<signed long long>(1, "1", base) ); | |
392 | VERIFY( check_to_chars<unsigned long long>(1, "1", base) ); | |
393 | ||
c104e8f1 | 394 | if (std::is_signed<char>::value) |
804b7cc4 JW |
395 | VERIFY( check_to_chars<char>(-1, "-1", base) ); |
396 | VERIFY( check_to_chars<signed char>(-1, "-1", base) ); | |
397 | VERIFY( check_to_chars<signed short>(-1, "-1", base) ); | |
398 | VERIFY( check_to_chars<signed int>(-1, "-1", base) ); | |
399 | VERIFY( check_to_chars<signed long>(-1, "-1", base) ); | |
400 | VERIFY( check_to_chars<signed long long>(-1, "-1", base) ); | |
401 | ||
402 | if (base > 2) | |
403 | { | |
404 | VERIFY( check_to_chars<char>(2, "2", base) ); | |
405 | VERIFY( check_to_chars<signed char>(2, "2", base) ); | |
406 | VERIFY( check_to_chars<unsigned char>(2, "2", base) ); | |
407 | VERIFY( check_to_chars<signed short>(2, "2", base) ); | |
408 | VERIFY( check_to_chars<unsigned short>(2, "2", base) ); | |
409 | VERIFY( check_to_chars<signed int>(2, "2", base) ); | |
410 | VERIFY( check_to_chars<unsigned int>(2, "2", base) ); | |
411 | VERIFY( check_to_chars<signed long>(2, "2", base) ); | |
412 | VERIFY( check_to_chars<unsigned long>(2, "2", base) ); | |
413 | VERIFY( check_to_chars<signed long long>(2, "2", base) ); | |
414 | VERIFY( check_to_chars<unsigned long long>(2, "2", base) ); | |
415 | ||
c104e8f1 | 416 | if (std::is_signed<char>::value) |
804b7cc4 JW |
417 | VERIFY( check_to_chars<char>(-2, "-2", base) ); |
418 | VERIFY( check_to_chars<signed char>(-2, "-2", base) ); | |
419 | VERIFY( check_to_chars<signed short>(-2, "-2", base) ); | |
420 | VERIFY( check_to_chars<signed int>(-2, "-2", base) ); | |
421 | VERIFY( check_to_chars<signed long>(-2, "-2", base) ); | |
422 | VERIFY( check_to_chars<signed long long>(-2, "-2", base) ); | |
423 | } | |
424 | ||
425 | VERIFY( check_to_chars(2017u, str2017[base]+1, base) ); | |
426 | VERIFY( check_to_chars(2017, str2017[base]+1, base) ); | |
427 | VERIFY( check_to_chars(-2017, str2017[base], base) ); | |
428 | VERIFY( check_to_chars(12345u, str12345[base]+1, base) ); | |
429 | VERIFY( check_to_chars(12345, str12345[base]+1, base) ); | |
430 | VERIFY( check_to_chars(-12345, str12345[base], base) ); | |
431 | VERIFY( check_to_chars(23456u, str23456[base]+1, base) ); | |
432 | VERIFY( check_to_chars(23456, str23456[base]+1, base) ); | |
433 | VERIFY( check_to_chars(-23456, str23456[base], base) ); | |
434 | VERIFY( check_to_chars(INT_MAX + 1ull, strINT_MIN[base]+1, base) ); | |
435 | VERIFY( check_to_chars(INT_MAX + 1ll, strINT_MIN[base]+1, base) ); | |
436 | VERIFY( check_to_chars(INT_MIN, strINT_MIN[base], base) ); | |
437 | } | |
438 | ||
439 | VERIFY( check_to_chars(1155, "xx", 34) ); | |
440 | VERIFY( check_to_chars(1224, "yy", 35) ); | |
441 | VERIFY( check_to_chars(1295, "zz", 36) ); | |
442 | } | |
443 | ||
444 | #include <sstream> | |
445 | #include <ios> | |
446 | ||
447 | // base 8 | |
448 | void | |
449 | test04() | |
450 | { | |
451 | auto to_string = [](auto val) { | |
452 | std::ostringstream ss; | |
453 | ss << std::oct; | |
454 | if (val < 0) | |
455 | ss << '-' << (~val + 1ull); | |
456 | else if (sizeof(val) == 1) | |
457 | ss << (int)val; | |
458 | else | |
459 | ss << val; | |
460 | return ss.str(); | |
461 | }; | |
462 | ||
463 | VERIFY( check_to_chars<char>(123, to_string(123), 8) ); | |
464 | VERIFY( check_to_chars<signed char>(123, to_string(123), 8) ); | |
465 | VERIFY( check_to_chars<unsigned char>(123, to_string(123), 8) ); | |
466 | VERIFY( check_to_chars<signed short>(123, to_string(123), 8) ); | |
467 | VERIFY( check_to_chars<unsigned short>(123, to_string(123), 8) ); | |
468 | VERIFY( check_to_chars<signed int>(123, to_string(123), 8) ); | |
469 | VERIFY( check_to_chars<unsigned int>(123, to_string(123), 8) ); | |
470 | VERIFY( check_to_chars<signed long>(123, to_string(123), 8) ); | |
471 | VERIFY( check_to_chars<unsigned long>(123, to_string(123), 8) ); | |
472 | VERIFY( check_to_chars<signed long long>(123, to_string(123), 8) ); | |
473 | VERIFY( check_to_chars<unsigned long long>(123, to_string(123), 8) ); | |
474 | ||
c104e8f1 | 475 | if (std::is_signed<char>::value) |
804b7cc4 JW |
476 | VERIFY( check_to_chars<char>(-79, to_string(-79), 8) ); |
477 | VERIFY( check_to_chars<signed char>(-79, to_string(-79), 8) ); | |
478 | VERIFY( check_to_chars<signed short>(-79, to_string(-79), 8) ); | |
479 | VERIFY( check_to_chars<signed int>(-79, to_string(-79), 8) ); | |
480 | VERIFY( check_to_chars<signed long>(-79, to_string(-79), 8) ); | |
481 | VERIFY( check_to_chars<signed long long>(-79, to_string(-79), 8) ); | |
482 | ||
483 | VERIFY( check_to_chars<char>(CHAR_MAX, to_string(CHAR_MAX), 8) ); | |
484 | VERIFY( check_to_chars<signed char>(SCHAR_MAX, to_string(SCHAR_MAX), 8) ); | |
485 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX, to_string(UCHAR_MAX), 8) ); | |
486 | VERIFY( check_to_chars<signed short>(SHRT_MAX, to_string(SHRT_MAX), 8) ); | |
487 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX, to_string(USHRT_MAX), 8) ); | |
488 | VERIFY( check_to_chars<signed int>(INT_MAX, to_string(INT_MAX), 8) ); | |
489 | VERIFY( check_to_chars<unsigned int>(UINT_MAX, to_string(UINT_MAX), 8) ); | |
490 | VERIFY( check_to_chars<signed long>(LONG_MAX, to_string(LONG_MAX), 8) ); | |
491 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX, to_string(ULONG_MAX), 8) ); | |
492 | VERIFY( check_to_chars<signed long long>(LLONG_MAX, to_string(LLONG_MAX), 8) ); | |
493 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX, to_string(ULLONG_MAX), 8) ); | |
494 | ||
495 | VERIFY( check_to_chars<char>(CHAR_MIN, to_string(CHAR_MIN), 8) ); | |
496 | VERIFY( check_to_chars<signed char>(SCHAR_MIN, to_string(SCHAR_MIN), 8) ); | |
497 | VERIFY( check_to_chars<signed short>(SHRT_MIN, to_string(SHRT_MIN), 8) ); | |
498 | VERIFY( check_to_chars<signed int>(INT_MIN, to_string(INT_MIN), 8) ); | |
499 | VERIFY( check_to_chars<signed long>(LONG_MIN, to_string(LONG_MIN), 8) ); | |
500 | VERIFY( check_to_chars<signed long long>(LLONG_MIN, to_string(LLONG_MIN), 8) ); | |
501 | ||
502 | VERIFY( check_to_chars<char>(CHAR_MAX/2, to_string(CHAR_MAX/2), 8) ); | |
503 | VERIFY( check_to_chars<signed char>(SCHAR_MAX/2, to_string(SCHAR_MAX/2), 8) ); | |
504 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX/2, to_string(UCHAR_MAX/2), 8) ); | |
505 | VERIFY( check_to_chars<signed short>(SHRT_MAX/2, to_string(SHRT_MAX/2), 8) ); | |
506 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX/2, to_string(USHRT_MAX/2), 8) ); | |
507 | VERIFY( check_to_chars<signed int>(INT_MAX/2, to_string(INT_MAX/2), 8) ); | |
508 | VERIFY( check_to_chars<unsigned int>(UINT_MAX/2, to_string(UINT_MAX/2), 8) ); | |
509 | VERIFY( check_to_chars<signed long>(LONG_MAX/2, to_string(LONG_MAX/2), 8) ); | |
510 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX/2, to_string(ULONG_MAX/2), 8) ); | |
511 | VERIFY( check_to_chars<signed long long>(LLONG_MAX/2, to_string(LLONG_MAX/2), 8) ); | |
512 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX/2, to_string(ULLONG_MAX/2), 8) ); | |
513 | } | |
514 | ||
515 | // base 16 | |
516 | void | |
517 | test05() | |
518 | { | |
519 | auto to_string = [](auto val) { | |
520 | std::ostringstream ss; | |
521 | ss << std::hex; | |
522 | if (val < 0) | |
523 | ss << '-' << (~val + 1ull); | |
524 | else if (sizeof(val) == 1) | |
525 | ss << (int)val; | |
526 | else | |
527 | ss << val; | |
528 | return ss.str(); | |
529 | }; | |
530 | ||
531 | VERIFY( check_to_chars<char>(123, to_string(123), 16) ); | |
532 | VERIFY( check_to_chars<signed char>(123, to_string(123), 16) ); | |
533 | VERIFY( check_to_chars<unsigned char>(123, to_string(123), 16) ); | |
534 | VERIFY( check_to_chars<signed short>(123, to_string(123), 16) ); | |
535 | VERIFY( check_to_chars<unsigned short>(123, to_string(123), 16) ); | |
536 | VERIFY( check_to_chars<signed int>(123, to_string(123), 16) ); | |
537 | VERIFY( check_to_chars<unsigned int>(123, to_string(123), 16) ); | |
538 | VERIFY( check_to_chars<signed long>(123, to_string(123), 16) ); | |
539 | VERIFY( check_to_chars<unsigned long>(123, to_string(123), 16) ); | |
540 | VERIFY( check_to_chars<signed long long>(123, to_string(123), 16) ); | |
541 | VERIFY( check_to_chars<unsigned long long>(123, to_string(123), 16) ); | |
542 | ||
c104e8f1 | 543 | if (std::is_signed<char>::value) |
804b7cc4 JW |
544 | VERIFY( check_to_chars<char>(-79, to_string(-79), 16) ); |
545 | VERIFY( check_to_chars<signed char>(-79, to_string(-79), 16) ); | |
546 | VERIFY( check_to_chars<signed short>(-79, to_string(-79), 16) ); | |
547 | VERIFY( check_to_chars<signed int>(-79, to_string(-79), 16) ); | |
548 | VERIFY( check_to_chars<signed long>(-79, to_string(-79), 16) ); | |
549 | VERIFY( check_to_chars<signed long long>(-79, to_string(-79), 16) ); | |
550 | ||
551 | VERIFY( check_to_chars<char>(CHAR_MAX, to_string(CHAR_MAX), 16) ); | |
552 | VERIFY( check_to_chars<signed char>(SCHAR_MAX, to_string(SCHAR_MAX), 16) ); | |
553 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX, to_string(UCHAR_MAX), 16) ); | |
554 | VERIFY( check_to_chars<signed short>(SHRT_MAX, to_string(SHRT_MAX), 16) ); | |
555 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX, to_string(USHRT_MAX), 16) ); | |
556 | VERIFY( check_to_chars<signed int>(INT_MAX, to_string(INT_MAX), 16) ); | |
557 | VERIFY( check_to_chars<unsigned int>(UINT_MAX, to_string(UINT_MAX), 16) ); | |
558 | VERIFY( check_to_chars<signed long>(LONG_MAX, to_string(LONG_MAX), 16) ); | |
559 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX, to_string(ULONG_MAX), 16) ); | |
560 | VERIFY( check_to_chars<signed long long>(LLONG_MAX, to_string(LLONG_MAX), 16) ); | |
561 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX, to_string(ULLONG_MAX), 16) ); | |
562 | ||
563 | VERIFY( check_to_chars<char>(CHAR_MIN, to_string(CHAR_MIN), 16) ); | |
564 | VERIFY( check_to_chars<signed char>(SCHAR_MIN, to_string(SCHAR_MIN), 16) ); | |
565 | VERIFY( check_to_chars<signed short>(SHRT_MIN, to_string(SHRT_MIN), 16) ); | |
566 | VERIFY( check_to_chars<signed int>(INT_MIN, to_string(INT_MIN), 16) ); | |
567 | VERIFY( check_to_chars<signed long>(LONG_MIN, to_string(LONG_MIN), 16) ); | |
568 | VERIFY( check_to_chars<signed long long>(LLONG_MIN, to_string(LLONG_MIN), 16) ); | |
569 | ||
570 | VERIFY( check_to_chars<char>(CHAR_MAX/2, to_string(CHAR_MAX/2), 16) ); | |
571 | VERIFY( check_to_chars<signed char>(SCHAR_MAX/2, to_string(SCHAR_MAX/2), 16) ); | |
572 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX/2, to_string(UCHAR_MAX/2), 16) ); | |
573 | VERIFY( check_to_chars<signed short>(SHRT_MAX/2, to_string(SHRT_MAX/2), 16) ); | |
574 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX/2, to_string(USHRT_MAX/2), 16) ); | |
575 | VERIFY( check_to_chars<signed int>(INT_MAX/2, to_string(INT_MAX/2), 16) ); | |
576 | VERIFY( check_to_chars<unsigned int>(UINT_MAX/2, to_string(UINT_MAX/2), 16) ); | |
577 | VERIFY( check_to_chars<signed long>(LONG_MAX/2, to_string(LONG_MAX/2), 16) ); | |
578 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX/2, to_string(ULONG_MAX/2), 16) ); | |
579 | VERIFY( check_to_chars<signed long long>(LLONG_MAX/2, to_string(LLONG_MAX/2), 16) ); | |
580 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX/2, to_string(ULLONG_MAX/2), 16) ); | |
581 | } | |
582 | ||
583 | #include <bitset> | |
584 | ||
585 | // base 2 | |
586 | void | |
587 | test06() | |
588 | { | |
589 | auto to_string = [](auto val) { | |
590 | std::string s, sign; | |
591 | if (val < 0) | |
592 | { | |
593 | auto absval = ~val + 1ull; | |
594 | s = std::bitset<sizeof(absval) * CHAR_BIT>(absval).to_string(); | |
595 | sign = '-'; | |
596 | } | |
597 | else | |
598 | s = std::bitset<sizeof(val) * CHAR_BIT>(val).to_string(); | |
599 | auto pos = s.find_first_not_of("0"); | |
600 | if (pos == std::string::npos) | |
601 | s.resize(1); | |
602 | else | |
603 | s.erase(0, pos); | |
604 | return sign + s; | |
605 | }; | |
606 | ||
607 | VERIFY( check_to_chars<char>(123, to_string(123), 2) ); | |
608 | VERIFY( check_to_chars<signed char>(123, to_string(123), 2) ); | |
609 | VERIFY( check_to_chars<unsigned char>(123, to_string(123), 2) ); | |
610 | VERIFY( check_to_chars<signed short>(123, to_string(123), 2) ); | |
611 | VERIFY( check_to_chars<unsigned short>(123, to_string(123), 2) ); | |
612 | VERIFY( check_to_chars<signed int>(123, to_string(123), 2) ); | |
613 | VERIFY( check_to_chars<unsigned int>(123, to_string(123), 2) ); | |
614 | VERIFY( check_to_chars<signed long>(123, to_string(123), 2) ); | |
615 | VERIFY( check_to_chars<unsigned long>(123, to_string(123), 2) ); | |
616 | VERIFY( check_to_chars<signed long long>(123, to_string(123), 2) ); | |
617 | VERIFY( check_to_chars<unsigned long long>(123, to_string(123), 2) ); | |
618 | ||
c104e8f1 | 619 | if (std::is_signed<char>::value) |
804b7cc4 JW |
620 | VERIFY( check_to_chars<char>(-79, to_string(-79), 2) ); |
621 | VERIFY( check_to_chars<signed char>(-79, to_string(-79), 2) ); | |
622 | VERIFY( check_to_chars<signed short>(-79, to_string(-79), 2) ); | |
623 | VERIFY( check_to_chars<signed int>(-79, to_string(-79), 2) ); | |
624 | VERIFY( check_to_chars<signed long>(-79, to_string(-79), 2) ); | |
625 | VERIFY( check_to_chars<signed long long>(-79, to_string(-79), 2) ); | |
626 | ||
627 | VERIFY( check_to_chars<char>(CHAR_MAX, to_string(CHAR_MAX), 2) ); | |
628 | VERIFY( check_to_chars<signed char>(SCHAR_MAX, to_string(SCHAR_MAX), 2) ); | |
629 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX, to_string(UCHAR_MAX), 2) ); | |
630 | VERIFY( check_to_chars<signed short>(SHRT_MAX, to_string(SHRT_MAX), 2) ); | |
631 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX, to_string(USHRT_MAX), 2) ); | |
632 | VERIFY( check_to_chars<signed int>(INT_MAX, to_string(INT_MAX), 2) ); | |
633 | VERIFY( check_to_chars<unsigned int>(UINT_MAX, to_string(UINT_MAX), 2) ); | |
634 | VERIFY( check_to_chars<signed long>(LONG_MAX, to_string(LONG_MAX), 2) ); | |
635 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX, to_string(ULONG_MAX), 2) ); | |
636 | VERIFY( check_to_chars<signed long long>(LLONG_MAX, to_string(LLONG_MAX), 2) ); | |
637 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX, to_string(ULLONG_MAX), 2) ); | |
638 | ||
639 | VERIFY( check_to_chars<char>(CHAR_MIN, to_string(CHAR_MIN), 2) ); | |
640 | VERIFY( check_to_chars<signed char>(SCHAR_MIN, to_string(SCHAR_MIN), 2) ); | |
641 | VERIFY( check_to_chars<signed short>(SHRT_MIN, to_string(SHRT_MIN), 2) ); | |
642 | VERIFY( check_to_chars<signed int>(INT_MIN, to_string(INT_MIN), 2) ); | |
643 | VERIFY( check_to_chars<signed long>(LONG_MIN, to_string(LONG_MIN), 2) ); | |
644 | VERIFY( check_to_chars<signed long long>(LLONG_MIN, to_string(LLONG_MIN), 2) ); | |
645 | ||
646 | VERIFY( check_to_chars<char>(CHAR_MAX/2, to_string(CHAR_MAX/2), 2) ); | |
647 | VERIFY( check_to_chars<signed char>(SCHAR_MAX/2, to_string(SCHAR_MAX/2), 2) ); | |
648 | VERIFY( check_to_chars<unsigned char>(UCHAR_MAX/2, to_string(UCHAR_MAX/2), 2) ); | |
649 | VERIFY( check_to_chars<signed short>(SHRT_MAX/2, to_string(SHRT_MAX/2), 2) ); | |
650 | VERIFY( check_to_chars<unsigned short>(USHRT_MAX/2, to_string(USHRT_MAX/2), 2) ); | |
651 | VERIFY( check_to_chars<signed int>(INT_MAX/2, to_string(INT_MAX/2), 2) ); | |
652 | VERIFY( check_to_chars<unsigned int>(UINT_MAX/2, to_string(UINT_MAX/2), 2) ); | |
653 | VERIFY( check_to_chars<signed long>(LONG_MAX/2, to_string(LONG_MAX/2), 2) ); | |
654 | VERIFY( check_to_chars<unsigned long>(ULONG_MAX/2, to_string(ULONG_MAX/2), 2) ); | |
655 | VERIFY( check_to_chars<signed long long>(LLONG_MAX/2, to_string(LLONG_MAX/2), 2) ); | |
656 | VERIFY( check_to_chars<unsigned long long>(ULLONG_MAX/2, to_string(ULLONG_MAX/2), 2) ); | |
657 | } | |
658 | ||
659 | int | |
660 | main() | |
661 | { | |
662 | test01(); | |
663 | test02(); | |
664 | test03(); | |
665 | test04(); | |
666 | test05(); | |
667 | test06(); | |
668 | } |