Line data Source code
1 : /* Test of <stdint.h> substitute.
2 : Copyright (C) 2006-2020 Free Software Foundation, Inc.
3 :
4 : This program is free software: you can redistribute it and/or modify
5 : it under the terms of the GNU General Public License as published by
6 : the Free Software Foundation; either version 3 of the License, or
7 : (at your option) any later version.
8 :
9 : This program 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
15 : along with this program. If not, see <https://www.gnu.org/licenses/>. */
16 :
17 : /* Written by Bruno Haible <bruno@clisp.org>, 2006. */
18 :
19 : #include <config.h>
20 :
21 : /* Whether to enable pedantic checks. */
22 : #define DO_PEDANTIC 0
23 :
24 : #include <stdint.h>
25 :
26 : #include "verify.h"
27 : #include "intprops.h"
28 :
29 : #if __GNUC__ >= 2 && DO_PEDANTIC
30 : # define verify_same_types(expr1,expr2) \
31 : extern void _verify_func(__LINE__) (__typeof__ (expr1) *); \
32 : extern void _verify_func(__LINE__) (__typeof__ (expr2) *);
33 : # define _verify_func(line) _verify_func2(line)
34 : # define _verify_func2(line) verify_func_ ## line
35 : #else
36 : # define verify_same_types(expr1,expr2) extern void verify_func (int)
37 : #endif
38 :
39 : /* 7.18.1.1. Exact-width integer types */
40 : /* 7.18.2.1. Limits of exact-width integer types */
41 :
42 : int8_t a1[3] = { INT8_C (17), INT8_MIN, INT8_MAX };
43 : verify (TYPE_MINIMUM (int8_t) == INT8_MIN);
44 : verify (TYPE_MAXIMUM (int8_t) == INT8_MAX);
45 : verify_same_types (INT8_MIN, (int8_t) 0 + 0);
46 : verify_same_types (INT8_MAX, (int8_t) 0 + 0);
47 :
48 : int16_t a2[3] = { INT16_C (17), INT16_MIN, INT16_MAX };
49 : verify (TYPE_MINIMUM (int16_t) == INT16_MIN);
50 : verify (TYPE_MAXIMUM (int16_t) == INT16_MAX);
51 : verify_same_types (INT16_MIN, (int16_t) 0 + 0);
52 : verify_same_types (INT16_MAX, (int16_t) 0 + 0);
53 :
54 : int32_t a3[3] = { INT32_C (17), INT32_MIN, INT32_MAX };
55 : verify (TYPE_MINIMUM (int32_t) == INT32_MIN);
56 : verify (TYPE_MAXIMUM (int32_t) == INT32_MAX);
57 : verify_same_types (INT32_MIN, (int32_t) 0 + 0);
58 : verify_same_types (INT32_MAX, (int32_t) 0 + 0);
59 :
60 : #ifdef INT64_MAX
61 : int64_t a4[3] = { INT64_C (17), INT64_MIN, INT64_MAX };
62 : verify (TYPE_MINIMUM (int64_t) == INT64_MIN);
63 : verify (TYPE_MAXIMUM (int64_t) == INT64_MAX);
64 : verify_same_types (INT64_MIN, (int64_t) 0 + 0);
65 : verify_same_types (INT64_MAX, (int64_t) 0 + 0);
66 : #endif
67 :
68 : uint8_t b1[2] = { UINT8_C (17), UINT8_MAX };
69 : verify (TYPE_MAXIMUM (uint8_t) == UINT8_MAX);
70 : verify_same_types (UINT8_MAX, (uint8_t) 0 + 0);
71 :
72 : uint16_t b2[2] = { UINT16_C (17), UINT16_MAX };
73 : verify (TYPE_MAXIMUM (uint16_t) == UINT16_MAX);
74 : verify_same_types (UINT16_MAX, (uint16_t) 0 + 0);
75 :
76 : uint32_t b3[2] = { UINT32_C (17), UINT32_MAX };
77 : verify (TYPE_MAXIMUM (uint32_t) == UINT32_MAX);
78 : verify_same_types (UINT32_MAX, (uint32_t) 0 + 0);
79 :
80 : #ifdef UINT64_MAX
81 : uint64_t b4[2] = { UINT64_C (17), UINT64_MAX };
82 : verify (TYPE_MAXIMUM (uint64_t) == UINT64_MAX);
83 : verify_same_types (UINT64_MAX, (uint64_t) 0 + 0);
84 : #endif
85 :
86 : #if INT8_MIN && INT8_MAX && INT16_MIN && INT16_MAX && INT32_MIN && INT32_MAX
87 : /* ok */
88 : #else
89 : err or;
90 : #endif
91 :
92 : #if UINT8_MAX && UINT16_MAX && UINT32_MAX
93 : /* ok */
94 : #else
95 : err or;
96 : #endif
97 :
98 : /* 7.18.1.2. Minimum-width integer types */
99 : /* 7.18.2.2. Limits of minimum-width integer types */
100 :
101 : int_least8_t c1[3] = { 17, INT_LEAST8_MIN, INT_LEAST8_MAX };
102 : verify (TYPE_MINIMUM (int_least8_t) == INT_LEAST8_MIN);
103 : verify (TYPE_MAXIMUM (int_least8_t) == INT_LEAST8_MAX);
104 : verify_same_types (INT_LEAST8_MIN, (int_least8_t) 0 + 0);
105 : verify_same_types (INT_LEAST8_MAX, (int_least8_t) 0 + 0);
106 :
107 : int_least16_t c2[3] = { 17, INT_LEAST16_MIN, INT_LEAST16_MAX };
108 : verify (TYPE_MINIMUM (int_least16_t) == INT_LEAST16_MIN);
109 : verify (TYPE_MAXIMUM (int_least16_t) == INT_LEAST16_MAX);
110 : verify_same_types (INT_LEAST16_MIN, (int_least16_t) 0 + 0);
111 : verify_same_types (INT_LEAST16_MAX, (int_least16_t) 0 + 0);
112 :
113 : int_least32_t c3[3] = { 17, INT_LEAST32_MIN, INT_LEAST32_MAX };
114 : verify (TYPE_MINIMUM (int_least32_t) == INT_LEAST32_MIN);
115 : verify (TYPE_MAXIMUM (int_least32_t) == INT_LEAST32_MAX);
116 : verify_same_types (INT_LEAST32_MIN, (int_least32_t) 0 + 0);
117 : verify_same_types (INT_LEAST32_MAX, (int_least32_t) 0 + 0);
118 :
119 : #ifdef INT_LEAST64_MAX
120 : int_least64_t c4[3] = { 17, INT_LEAST64_MIN, INT_LEAST64_MAX };
121 : verify (TYPE_MINIMUM (int_least64_t) == INT_LEAST64_MIN);
122 : verify (TYPE_MAXIMUM (int_least64_t) == INT_LEAST64_MAX);
123 : verify_same_types (INT_LEAST64_MIN, (int_least64_t) 0 + 0);
124 : verify_same_types (INT_LEAST64_MAX, (int_least64_t) 0 + 0);
125 : #endif
126 :
127 : uint_least8_t d1[2] = { 17, UINT_LEAST8_MAX };
128 : verify (TYPE_MAXIMUM (uint_least8_t) == UINT_LEAST8_MAX);
129 : verify_same_types (UINT_LEAST8_MAX, (uint_least8_t) 0 + 0);
130 :
131 : uint_least16_t d2[2] = { 17, UINT_LEAST16_MAX };
132 : verify (TYPE_MAXIMUM (uint_least16_t) == UINT_LEAST16_MAX);
133 : verify_same_types (UINT_LEAST16_MAX, (uint_least16_t) 0 + 0);
134 :
135 : uint_least32_t d3[2] = { 17, UINT_LEAST32_MAX };
136 : verify (TYPE_MAXIMUM (uint_least32_t) == UINT_LEAST32_MAX);
137 : verify_same_types (UINT_LEAST32_MAX, (uint_least32_t) 0 + 0);
138 :
139 : #ifdef UINT_LEAST64_MAX
140 : uint_least64_t d4[2] = { 17, UINT_LEAST64_MAX };
141 : verify (TYPE_MAXIMUM (uint_least64_t) == UINT_LEAST64_MAX);
142 : verify_same_types (UINT_LEAST64_MAX, (uint_least64_t) 0 + 0);
143 : #endif
144 :
145 : #if INT_LEAST8_MIN && INT_LEAST8_MAX && INT_LEAST16_MIN && INT_LEAST16_MAX && INT_LEAST32_MIN && INT_LEAST32_MAX
146 : /* ok */
147 : #else
148 : err or;
149 : #endif
150 :
151 : #if UINT_LEAST8_MAX && UINT_LEAST16_MAX && UINT_LEAST32_MAX
152 : /* ok */
153 : #else
154 : err or;
155 : #endif
156 :
157 : /* 7.18.1.3. Fastest minimum-width integer types */
158 : /* 7.18.2.3. Limits of fastest minimum-width integer types */
159 :
160 : int_fast8_t e1[3] = { 17, INT_FAST8_MIN, INT_FAST8_MAX };
161 : verify (TYPE_MINIMUM (int_fast8_t) == INT_FAST8_MIN);
162 : verify (TYPE_MAXIMUM (int_fast8_t) == INT_FAST8_MAX);
163 : verify_same_types (INT_FAST8_MIN, (int_fast8_t) 0 + 0);
164 : verify_same_types (INT_FAST8_MAX, (int_fast8_t) 0 + 0);
165 :
166 : int_fast16_t e2[3] = { 17, INT_FAST16_MIN, INT_FAST16_MAX };
167 : verify (TYPE_MINIMUM (int_fast16_t) == INT_FAST16_MIN);
168 : verify (TYPE_MAXIMUM (int_fast16_t) == INT_FAST16_MAX);
169 : verify_same_types (INT_FAST16_MIN, (int_fast16_t) 0 + 0);
170 : verify_same_types (INT_FAST16_MAX, (int_fast16_t) 0 + 0);
171 :
172 : int_fast32_t e3[3] = { 17, INT_FAST32_MIN, INT_FAST32_MAX };
173 : verify (TYPE_MINIMUM (int_fast32_t) == INT_FAST32_MIN);
174 : verify (TYPE_MAXIMUM (int_fast32_t) == INT_FAST32_MAX);
175 : verify_same_types (INT_FAST32_MIN, (int_fast32_t) 0 + 0);
176 : verify_same_types (INT_FAST32_MAX, (int_fast32_t) 0 + 0);
177 :
178 : #ifdef INT_FAST64_MAX
179 : int_fast64_t e4[3] = { 17, INT_FAST64_MIN, INT_FAST64_MAX };
180 : verify (TYPE_MINIMUM (int_fast64_t) == INT_FAST64_MIN);
181 : verify (TYPE_MAXIMUM (int_fast64_t) == INT_FAST64_MAX);
182 : verify_same_types (INT_FAST64_MIN, (int_fast64_t) 0 + 0);
183 : verify_same_types (INT_FAST64_MAX, (int_fast64_t) 0 + 0);
184 : #endif
185 :
186 : uint_fast8_t f1[2] = { 17, UINT_FAST8_MAX };
187 : verify (TYPE_MAXIMUM (uint_fast8_t) == UINT_FAST8_MAX);
188 : verify_same_types (UINT_FAST8_MAX, (uint_fast8_t) 0 + 0);
189 :
190 : uint_fast16_t f2[2] = { 17, UINT_FAST16_MAX };
191 : verify (TYPE_MAXIMUM (uint_fast16_t) == UINT_FAST16_MAX);
192 : verify_same_types (UINT_FAST16_MAX, (uint_fast16_t) 0 + 0);
193 :
194 : uint_fast32_t f3[2] = { 17, UINT_FAST32_MAX };
195 : verify (TYPE_MAXIMUM (uint_fast32_t) == UINT_FAST32_MAX);
196 : verify_same_types (UINT_FAST32_MAX, (uint_fast32_t) 0 + 0);
197 :
198 : #ifdef UINT_FAST64_MAX
199 : uint_fast64_t f4[2] = { 17, UINT_FAST64_MAX };
200 : verify (TYPE_MAXIMUM (uint_fast64_t) == UINT_FAST64_MAX);
201 : verify_same_types (UINT_FAST64_MAX, (uint_fast64_t) 0 + 0);
202 : #endif
203 :
204 : #if INT_FAST8_MIN && INT_FAST8_MAX && INT_FAST16_MIN && INT_FAST16_MAX && INT_FAST32_MIN && INT_FAST32_MAX
205 : /* ok */
206 : #else
207 : err or;
208 : #endif
209 :
210 : #if UINT_FAST8_MAX && UINT_FAST16_MAX && UINT_FAST32_MAX
211 : /* ok */
212 : #else
213 : err or;
214 : #endif
215 :
216 : /* 7.18.1.4. Integer types capable of holding object pointers */
217 : /* 7.18.2.4. Limits of integer types capable of holding object pointers */
218 :
219 : intptr_t g[3] = { 17, INTPTR_MIN, INTPTR_MAX };
220 : verify (sizeof (void *) <= sizeof (intptr_t));
221 : verify (TYPE_MINIMUM (intptr_t) == INTPTR_MIN);
222 : verify (TYPE_MAXIMUM (intptr_t) == INTPTR_MAX);
223 : verify_same_types (INTPTR_MIN, (intptr_t) 0 + 0);
224 : verify_same_types (INTPTR_MAX, (intptr_t) 0 + 0);
225 :
226 : uintptr_t h[2] = { 17, UINTPTR_MAX };
227 : verify (sizeof (void *) <= sizeof (uintptr_t));
228 : verify (TYPE_MAXIMUM (uintptr_t) == UINTPTR_MAX);
229 : verify_same_types (UINTPTR_MAX, (uintptr_t) 0 + 0);
230 :
231 : #if INTPTR_MIN && INTPTR_MAX && UINTPTR_MAX
232 : /* ok */
233 : #else
234 : err or;
235 : #endif
236 :
237 : /* 7.18.1.5. Greatest-width integer types */
238 : /* 7.18.2.5. Limits of greatest-width integer types */
239 :
240 : intmax_t i[3] = { INTMAX_C (17), INTMAX_MIN, INTMAX_MAX };
241 : verify (TYPE_MINIMUM (intmax_t) == INTMAX_MIN);
242 : verify (TYPE_MAXIMUM (intmax_t) == INTMAX_MAX);
243 : verify_same_types (INTMAX_MIN, (intmax_t) 0 + 0);
244 : verify_same_types (INTMAX_MAX, (intmax_t) 0 + 0);
245 :
246 : uintmax_t j[2] = { UINTMAX_C (17), UINTMAX_MAX };
247 : verify (TYPE_MAXIMUM (uintmax_t) == UINTMAX_MAX);
248 : verify_same_types (UINTMAX_MAX, (uintmax_t) 0 + 0);
249 :
250 : /* As of 2007, Sun C and HP-UX 10.20 cc don't support 'long long' constants in
251 : the preprocessor. */
252 : #if !(defined __SUNPRO_C || (defined __hpux && !defined __GNUC__))
253 : #if INTMAX_MIN && INTMAX_MAX && UINTMAX_MAX
254 : /* ok */
255 : #else
256 : err or;
257 : #endif
258 : #endif
259 :
260 : /* 7.18.3. Limits of other integer types */
261 :
262 : #include <stddef.h>
263 :
264 : verify (TYPE_MINIMUM (ptrdiff_t) == PTRDIFF_MIN);
265 : verify (TYPE_MAXIMUM (ptrdiff_t) == PTRDIFF_MAX);
266 : verify_same_types (PTRDIFF_MIN, (ptrdiff_t) 0 + 0);
267 : verify_same_types (PTRDIFF_MAX, (ptrdiff_t) 0 + 0);
268 :
269 : #if PTRDIFF_MIN && PTRDIFF_MAX
270 : /* ok */
271 : #else
272 : err or;
273 : #endif
274 :
275 : #include <signal.h>
276 :
277 : verify (TYPE_MINIMUM (sig_atomic_t) == SIG_ATOMIC_MIN);
278 : verify (TYPE_MAXIMUM (sig_atomic_t) == SIG_ATOMIC_MAX);
279 : verify_same_types (SIG_ATOMIC_MIN, (sig_atomic_t) 0 + 0);
280 : verify_same_types (SIG_ATOMIC_MAX, (sig_atomic_t) 0 + 0);
281 :
282 : #if SIG_ATOMIC_MIN != 17 && SIG_ATOMIC_MAX
283 : /* ok */
284 : #else
285 : err or;
286 : #endif
287 :
288 : verify (TYPE_MAXIMUM (size_t) == SIZE_MAX);
289 : verify_same_types (SIZE_MAX, (size_t) 0 + 0);
290 :
291 : #if SIZE_MAX
292 : /* ok */
293 : #else
294 : err or;
295 : #endif
296 :
297 : #if HAVE_WCHAR_T
298 : verify (TYPE_MINIMUM (wchar_t) == WCHAR_MIN);
299 : verify (TYPE_MAXIMUM (wchar_t) == WCHAR_MAX);
300 : verify_same_types (WCHAR_MIN, (wchar_t) 0 + 0);
301 : verify_same_types (WCHAR_MAX, (wchar_t) 0 + 0);
302 :
303 : # if WCHAR_MIN != 17 && WCHAR_MAX
304 : /* ok */
305 : # else
306 : err or;
307 : # endif
308 : #endif
309 :
310 : #if HAVE_WINT_T
311 : # include <wchar.h>
312 :
313 : verify (TYPE_MINIMUM (wint_t) == WINT_MIN);
314 : verify (TYPE_MAXIMUM (wint_t) == WINT_MAX);
315 : verify_same_types (WINT_MIN, (wint_t) 0 + 0);
316 : verify_same_types (WINT_MAX, (wint_t) 0 + 0);
317 :
318 : # if WINT_MIN != 17 && WINT_MAX
319 : /* ok */
320 : # else
321 : err or;
322 : # endif
323 : #endif
324 :
325 : /* 7.18.4. Macros for integer constants */
326 :
327 : verify (INT8_C (17) == 17);
328 : verify_same_types (INT8_C (17), (int_least8_t)0 + 0);
329 : verify (UINT8_C (17) == 17);
330 : verify_same_types (UINT8_C (17), (uint_least8_t)0 + 0);
331 :
332 : verify (INT16_C (17) == 17);
333 : verify_same_types (INT16_C (17), (int_least16_t)0 + 0);
334 : verify (UINT16_C (17) == 17);
335 : verify_same_types (UINT16_C (17), (uint_least16_t)0 + 0);
336 :
337 : verify (INT32_C (17) == 17);
338 : verify_same_types (INT32_C (17), (int_least32_t)0 + 0);
339 : verify (UINT32_C (17) == 17);
340 : verify_same_types (UINT32_C (17), (uint_least32_t)0 + 0);
341 :
342 : #ifdef INT64_C
343 : verify (INT64_C (17) == 17);
344 : verify_same_types (INT64_C (17), (int_least64_t)0 + 0);
345 : #endif
346 : #ifdef UINT64_C
347 : verify (UINT64_C (17) == 17);
348 : verify_same_types (UINT64_C (17), (uint_least64_t)0 + 0);
349 : #endif
350 :
351 : verify (INTMAX_C (17) == 17);
352 : verify_same_types (INTMAX_C (17), (intmax_t)0 + 0);
353 : verify (UINTMAX_C (17) == 17);
354 : verify_same_types (UINTMAX_C (17), (uintmax_t)0 + 0);
355 :
356 : /* Use _GL_VERIFY (with a fixed-length diagnostic string) rather than verify,
357 : because the latter would require forming each stringified expression, and
358 : many of these would be so long as to trigger a warning/error like this:
359 :
360 : test-stdint.c:407:1: error: string length '6980' is greater than the \
361 : length '4095' ISO C99 compilers are required to support \
362 : [-Werror=overlength-strings]
363 : */
364 : #define verify_width(width, min, max) \
365 : _GL_VERIFY ((max) >> ((width) - 1 - ((min) < 0)) == 1, \
366 : "verify_width check")
367 :
368 : /* Macros specified by ISO/IEC TS 18661-1:2014. */
369 :
370 : #ifdef INT8_MAX
371 : verify_width (INT8_WIDTH, INT8_MIN, INT8_MAX);
372 : #endif
373 : #ifdef UINT8_MAX
374 : verify_width (UINT8_WIDTH, 0, UINT8_MAX);
375 : #endif
376 : #ifdef INT16_MAX
377 : verify_width (INT16_WIDTH, INT16_MIN, INT16_MAX);
378 : #endif
379 : #ifdef UINT16_MAX
380 : verify_width (UINT16_WIDTH, 0, UINT16_MAX);
381 : #endif
382 : #ifdef INT32_MAX
383 : verify_width (INT32_WIDTH, INT32_MIN, INT32_MAX);
384 : #endif
385 : #ifdef UINT32_MAX
386 : verify_width (UINT32_WIDTH, 0, UINT32_MAX);
387 : #endif
388 : #ifdef INT64_MAX
389 : verify_width (INT64_WIDTH, INT64_MIN, INT64_MAX);
390 : #endif
391 : #ifdef UINT64_MAX
392 : verify_width (UINT64_WIDTH, 0, UINT64_MAX);
393 : #endif
394 : verify_width (INT_LEAST8_WIDTH, INT_LEAST8_MIN, INT_LEAST8_MAX);
395 : verify_width (UINT_LEAST8_WIDTH, 0, UINT_LEAST8_MAX);
396 : verify_width (INT_LEAST16_WIDTH, INT_LEAST16_MIN, INT_LEAST16_MAX);
397 : verify_width (UINT_LEAST16_WIDTH, 0, UINT_LEAST16_MAX);
398 : verify_width (INT_LEAST32_WIDTH, INT_LEAST32_MIN, INT_LEAST32_MAX);
399 : verify_width (UINT_LEAST32_WIDTH, 0, UINT_LEAST32_MAX);
400 : verify_width (INT_LEAST64_WIDTH, INT_LEAST64_MIN, INT_LEAST64_MAX);
401 : verify_width (UINT_LEAST64_WIDTH, 0, UINT_LEAST64_MAX);
402 : verify_width (INT_FAST8_WIDTH, INT_FAST8_MIN, INT_FAST8_MAX);
403 : verify_width (UINT_FAST8_WIDTH, 0, UINT_FAST8_MAX);
404 : verify_width (INT_FAST16_WIDTH, INT_FAST16_MIN, INT_FAST16_MAX);
405 : verify_width (UINT_FAST16_WIDTH, 0, UINT_FAST16_MAX);
406 : verify_width (INT_FAST32_WIDTH, INT_FAST32_MIN, INT_FAST32_MAX);
407 : verify_width (UINT_FAST32_WIDTH, 0, UINT_FAST32_MAX);
408 : verify_width (INT_FAST64_WIDTH, INT_FAST64_MIN, INT_FAST64_MAX);
409 : verify_width (UINT_FAST64_WIDTH, 0, UINT_FAST64_MAX);
410 : verify_width (INTPTR_WIDTH, INTPTR_MIN, INTPTR_MAX);
411 : verify_width (UINTPTR_WIDTH, 0, UINTPTR_MAX);
412 : verify_width (INTMAX_WIDTH, INTMAX_MIN, INTMAX_MAX);
413 : verify_width (UINTMAX_WIDTH, 0, UINTMAX_MAX);
414 : verify_width (PTRDIFF_WIDTH, PTRDIFF_MIN, PTRDIFF_MAX);
415 : verify_width (SIZE_WIDTH, 0, SIZE_MAX);
416 : verify_width (WCHAR_WIDTH, WCHAR_MIN, WCHAR_MAX);
417 : #ifdef WINT_MAX
418 : verify_width (WINT_WIDTH, WINT_MIN, WINT_MAX);
419 : #endif
420 : #ifdef SIG_ATOMIC_MAX
421 : verify_width (SIG_ATOMIC_WIDTH, SIG_ATOMIC_MIN, SIG_ATOMIC_MAX);
422 : #endif
423 :
424 : int
425 1 : main (void)
426 : {
427 1 : return 0;
428 : }
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