1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007 Free Software Foundation, Inc.
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 2, or (at your option)
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
24 #include "vasnprintf.h"
33 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
45 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
50 static double zero = 0.0;
54 # define NaN() (0.0 / 0.0)
58 strmatch (const char *pattern, const char *string)
60 if (strlen (pattern) != strlen (string))
62 for (; *pattern != '\0'; pattern++, string++)
63 if (*pattern != '*' && *string != *pattern)
69 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
74 /* Test return value convention. */
76 for (size = 0; size <= 8; size++)
79 char *result = my_asnprintf (NULL, &length, "%d", 12345);
80 ASSERT (result != NULL);
81 ASSERT (strcmp (result, "12345") == 0);
86 for (size = 0; size <= 8; size++)
91 memcpy (buf, "DEADBEEF", 8);
93 result = my_asnprintf (buf, &length, "%d", 12345);
94 ASSERT (result != NULL);
95 ASSERT (strcmp (result, "12345") == 0);
98 ASSERT (result != buf);
99 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
104 /* Test support of size specifiers as in C99. */
109 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
110 ASSERT (result != NULL);
111 ASSERT (strcmp (result, "12345671 33") == 0);
112 ASSERT (length == strlen (result));
119 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
120 ASSERT (result != NULL);
121 ASSERT (strcmp (result, "12345672 33") == 0);
122 ASSERT (length == strlen (result));
129 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
130 ASSERT (result != NULL);
131 ASSERT (strcmp (result, "12345673 33") == 0);
132 ASSERT (length == strlen (result));
139 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
140 ASSERT (result != NULL);
141 ASSERT (strcmp (result, "1.5 33") == 0);
142 ASSERT (length == strlen (result));
146 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
147 output of floating-point numbers. */
149 { /* A positive number. */
152 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
153 ASSERT (result != NULL);
154 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
155 || strcmp (result, "0x3.244p+0 33") == 0
156 || strcmp (result, "0x6.488p-1 33") == 0
157 || strcmp (result, "0xc.91p-2 33") == 0);
158 ASSERT (length == strlen (result));
162 { /* A negative number. */
165 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
166 ASSERT (result != NULL);
167 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
168 || strcmp (result, "-0X3.244P+0 33") == 0
169 || strcmp (result, "-0X6.488P-1 33") == 0
170 || strcmp (result, "-0XC.91P-2 33") == 0);
171 ASSERT (length == strlen (result));
175 { /* Positive zero. */
178 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
179 ASSERT (result != NULL);
180 ASSERT (strcmp (result, "0x0p+0 33") == 0);
181 ASSERT (length == strlen (result));
185 { /* Negative zero. */
188 my_asnprintf (NULL, &length, "%a %d", -0.0, 33, 44, 55);
189 ASSERT (result != NULL);
190 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
191 ASSERT (length == strlen (result));
195 { /* Positive infinity. */
198 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
199 ASSERT (result != NULL);
200 ASSERT (strcmp (result, "inf 33") == 0);
201 ASSERT (length == strlen (result));
205 { /* Negative infinity. */
208 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
209 ASSERT (result != NULL);
210 ASSERT (strcmp (result, "-inf 33") == 0);
211 ASSERT (length == strlen (result));
218 my_asnprintf (NULL, &length, "%a %d", NaN (), 33, 44, 55);
219 ASSERT (result != NULL);
220 ASSERT (strcmp (result, "nan 33") == 0);
221 ASSERT (length == strlen (result));
225 { /* Rounding near the decimal point. */
228 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
229 ASSERT (result != NULL);
230 ASSERT (strcmp (result, "0x2p+0 33") == 0
231 || strcmp (result, "0x3p-1 33") == 0
232 || strcmp (result, "0x6p-2 33") == 0
233 || strcmp (result, "0xcp-3 33") == 0);
234 ASSERT (length == strlen (result));
238 { /* Rounding with precision 0. */
241 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
242 ASSERT (result != NULL);
243 ASSERT (strcmp (result, "0x2p+0 33") == 0
244 || strcmp (result, "0x3p-1 33") == 0
245 || strcmp (result, "0x6p-2 33") == 0
246 || strcmp (result, "0xcp-3 33") == 0);
247 ASSERT (length == strlen (result));
251 { /* Rounding with precision 1. */
254 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
255 ASSERT (result != NULL);
256 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
257 || strcmp (result, "0x3.0p-1 33") == 0
258 || strcmp (result, "0x6.1p-2 33") == 0
259 || strcmp (result, "0xc.1p-3 33") == 0);
260 ASSERT (length == strlen (result));
264 { /* Rounding with precision 2. */
267 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
268 ASSERT (result != NULL);
269 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
270 || strcmp (result, "0x3.05p-1 33") == 0
271 || strcmp (result, "0x6.0ap-2 33") == 0
272 || strcmp (result, "0xc.14p-3 33") == 0);
273 ASSERT (length == strlen (result));
277 { /* Rounding with precision 3. */
280 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
281 ASSERT (result != NULL);
282 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
283 || strcmp (result, "0x3.052p-1 33") == 0
284 || strcmp (result, "0x6.0a4p-2 33") == 0
285 || strcmp (result, "0xc.148p-3 33") == 0);
286 ASSERT (length == strlen (result));
290 { /* Rounding can turn a ...FFF into a ...000. */
293 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
294 ASSERT (result != NULL);
295 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
296 || strcmp (result, "0x3.000p-1 33") == 0
297 || strcmp (result, "0x6.000p-2 33") == 0
298 || strcmp (result, "0xc.000p-3 33") == 0);
299 ASSERT (length == strlen (result));
303 { /* Rounding can turn a ...FFF into a ...000.
304 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
307 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
308 ASSERT (result != NULL);
309 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
310 || strcmp (result, "0x2.0p+0 33") == 0
311 || strcmp (result, "0x4.0p-1 33") == 0
312 || strcmp (result, "0x8.0p-2 33") == 0);
313 ASSERT (length == strlen (result));
320 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
321 ASSERT (result != NULL);
322 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
323 || strcmp (result, " 0x3.8p-1 33") == 0
324 || strcmp (result, " 0x7p-2 33") == 0
325 || strcmp (result, " 0xep-3 33") == 0);
326 ASSERT (length == strlen (result));
330 { /* Small precision. */
333 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
334 ASSERT (result != NULL);
335 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
336 || strcmp (result, "0x3.8000000000p-1 33") == 0
337 || strcmp (result, "0x7.0000000000p-2 33") == 0
338 || strcmp (result, "0xe.0000000000p-3 33") == 0);
339 ASSERT (length == strlen (result));
343 { /* Large precision. */
346 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
347 ASSERT (result != NULL);
348 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
349 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
350 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
351 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
352 ASSERT (length == strlen (result));
359 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
360 ASSERT (result != NULL);
361 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
362 || strcmp (result, "0x3.8p-1 33") == 0
363 || strcmp (result, "0x7p-2 33") == 0
364 || strcmp (result, "0xep-3 33") == 0);
365 ASSERT (length == strlen (result));
369 { /* FLAG_SHOWSIGN. */
372 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
373 ASSERT (result != NULL);
374 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
375 || strcmp (result, "+0x3.8p-1 33") == 0
376 || strcmp (result, "+0x7p-2 33") == 0
377 || strcmp (result, "+0xep-3 33") == 0);
378 ASSERT (length == strlen (result));
385 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
386 ASSERT (result != NULL);
387 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
388 || strcmp (result, " 0x3.8p-1 33") == 0
389 || strcmp (result, " 0x7p-2 33") == 0
390 || strcmp (result, " 0xep-3 33") == 0);
391 ASSERT (length == strlen (result));
398 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
399 ASSERT (result != NULL);
400 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
401 || strcmp (result, "0x3.8p-1 33") == 0
402 || strcmp (result, "0x7.p-2 33") == 0
403 || strcmp (result, "0xe.p-3 33") == 0);
404 ASSERT (length == strlen (result));
411 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
412 ASSERT (result != NULL);
413 ASSERT (strcmp (result, "0x1.p+0 33") == 0
414 || strcmp (result, "0x2.p-1 33") == 0
415 || strcmp (result, "0x4.p-2 33") == 0
416 || strcmp (result, "0x8.p-3 33") == 0);
417 ASSERT (length == strlen (result));
421 { /* FLAG_ZERO with finite number. */
424 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
425 ASSERT (result != NULL);
426 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
427 || strcmp (result, "0x003.8p-1 33") == 0
428 || strcmp (result, "0x00007p-2 33") == 0
429 || strcmp (result, "0x0000ep-3 33") == 0);
430 ASSERT (length == strlen (result));
434 { /* FLAG_ZERO with infinite number. */
437 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
438 ASSERT (result != NULL);
439 /* "0000000inf 33" is not a valid result; see
440 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
441 ASSERT (strcmp (result, " inf 33") == 0);
442 ASSERT (length == strlen (result));
446 { /* FLAG_ZERO with NaN. */
449 my_asnprintf (NULL, &length, "%010a %d", NaN (), 33, 44, 55);
450 ASSERT (result != NULL);
451 /* "0000000nan 33" is not a valid result; see
452 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
453 ASSERT (strcmp (result, " nan 33") == 0);
454 ASSERT (length == strlen (result));
458 { /* A positive number. */
461 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
462 ASSERT (result != NULL);
463 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
464 || strcmp (result, "0x3.244p+0 33") == 0
465 || strcmp (result, "0x6.488p-1 33") == 0
466 || strcmp (result, "0xc.91p-2 33") == 0);
467 ASSERT (length == strlen (result));
471 { /* A negative number. */
474 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
475 ASSERT (result != NULL);
476 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
477 || strcmp (result, "-0X3.244P+0 33") == 0
478 || strcmp (result, "-0X6.488P-1 33") == 0
479 || strcmp (result, "-0XC.91P-2 33") == 0);
480 ASSERT (length == strlen (result));
484 { /* Positive zero. */
487 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
488 ASSERT (result != NULL);
489 ASSERT (strcmp (result, "0x0p+0 33") == 0);
490 ASSERT (length == strlen (result));
494 { /* Negative zero. */
497 my_asnprintf (NULL, &length, "%La %d", -0.0L, 33, 44, 55);
498 ASSERT (result != NULL);
499 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
500 ASSERT (length == strlen (result));
504 { /* Positive infinity. */
507 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
508 ASSERT (result != NULL);
509 ASSERT (strcmp (result, "inf 33") == 0);
510 ASSERT (length == strlen (result));
514 { /* Negative infinity. */
517 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
518 ASSERT (result != NULL);
519 ASSERT (strcmp (result, "-inf 33") == 0);
520 ASSERT (length == strlen (result));
527 my_asnprintf (NULL, &length, "%La %d", 0.0L / 0.0L, 33, 44, 55);
528 ASSERT (result != NULL);
529 ASSERT (strcmp (result, "nan 33") == 0);
530 ASSERT (length == strlen (result));
534 { /* Rounding near the decimal point. */
537 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
538 ASSERT (result != NULL);
539 ASSERT (strcmp (result, "0x2p+0 33") == 0
540 || strcmp (result, "0x3p-1 33") == 0
541 || strcmp (result, "0x6p-2 33") == 0
542 || strcmp (result, "0xcp-3 33") == 0);
543 ASSERT (length == strlen (result));
547 { /* Rounding with precision 0. */
550 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
551 ASSERT (result != NULL);
552 ASSERT (strcmp (result, "0x2p+0 33") == 0
553 || strcmp (result, "0x3p-1 33") == 0
554 || strcmp (result, "0x6p-2 33") == 0
555 || strcmp (result, "0xcp-3 33") == 0);
556 ASSERT (length == strlen (result));
560 { /* Rounding with precision 1. */
563 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
564 ASSERT (result != NULL);
565 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
566 || strcmp (result, "0x3.0p-1 33") == 0
567 || strcmp (result, "0x6.1p-2 33") == 0
568 || strcmp (result, "0xc.1p-3 33") == 0);
569 ASSERT (length == strlen (result));
573 { /* Rounding with precision 2. */
576 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
577 ASSERT (result != NULL);
578 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
579 || strcmp (result, "0x3.05p-1 33") == 0
580 || strcmp (result, "0x6.0ap-2 33") == 0
581 || strcmp (result, "0xc.14p-3 33") == 0);
582 ASSERT (length == strlen (result));
586 { /* Rounding with precision 3. */
589 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
590 ASSERT (result != NULL);
591 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
592 || strcmp (result, "0x3.052p-1 33") == 0
593 || strcmp (result, "0x6.0a4p-2 33") == 0
594 || strcmp (result, "0xc.148p-3 33") == 0);
595 ASSERT (length == strlen (result));
599 { /* Rounding can turn a ...FFF into a ...000. */
602 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
603 ASSERT (result != NULL);
604 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
605 || strcmp (result, "0x3.000p-1 33") == 0
606 || strcmp (result, "0x6.000p-2 33") == 0
607 || strcmp (result, "0xc.000p-3 33") == 0);
608 ASSERT (length == strlen (result));
612 { /* Rounding can turn a ...FFF into a ...000.
613 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
614 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
617 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
618 ASSERT (result != NULL);
619 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
620 || strcmp (result, "0x2.0p+0 33") == 0
621 || strcmp (result, "0x4.0p-1 33") == 0
622 || strcmp (result, "0x8.0p-2 33") == 0);
623 ASSERT (length == strlen (result));
630 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
631 ASSERT (result != NULL);
632 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
633 || strcmp (result, " 0x3.8p-1 33") == 0
634 || strcmp (result, " 0x7p-2 33") == 0
635 || strcmp (result, " 0xep-3 33") == 0);
636 ASSERT (length == strlen (result));
640 { /* Small precision. */
643 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
644 ASSERT (result != NULL);
645 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
646 || strcmp (result, "0x3.8000000000p-1 33") == 0
647 || strcmp (result, "0x7.0000000000p-2 33") == 0
648 || strcmp (result, "0xe.0000000000p-3 33") == 0);
649 ASSERT (length == strlen (result));
653 { /* Large precision. */
656 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
657 ASSERT (result != NULL);
658 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
659 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
660 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
661 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
662 ASSERT (length == strlen (result));
669 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
670 ASSERT (result != NULL);
671 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
672 || strcmp (result, "0x3.8p-1 33") == 0
673 || strcmp (result, "0x7p-2 33") == 0
674 || strcmp (result, "0xep-3 33") == 0);
675 ASSERT (length == strlen (result));
679 { /* FLAG_SHOWSIGN. */
682 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
683 ASSERT (result != NULL);
684 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
685 || strcmp (result, "+0x3.8p-1 33") == 0
686 || strcmp (result, "+0x7p-2 33") == 0
687 || strcmp (result, "+0xep-3 33") == 0);
688 ASSERT (length == strlen (result));
695 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
696 ASSERT (result != NULL);
697 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
698 || strcmp (result, " 0x3.8p-1 33") == 0
699 || strcmp (result, " 0x7p-2 33") == 0
700 || strcmp (result, " 0xep-3 33") == 0);
701 ASSERT (length == strlen (result));
708 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
709 ASSERT (result != NULL);
710 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
711 || strcmp (result, "0x3.8p-1 33") == 0
712 || strcmp (result, "0x7.p-2 33") == 0
713 || strcmp (result, "0xe.p-3 33") == 0);
714 ASSERT (length == strlen (result));
721 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
722 ASSERT (result != NULL);
723 ASSERT (strcmp (result, "0x1.p+0 33") == 0
724 || strcmp (result, "0x2.p-1 33") == 0
725 || strcmp (result, "0x4.p-2 33") == 0
726 || strcmp (result, "0x8.p-3 33") == 0);
727 ASSERT (length == strlen (result));
731 { /* FLAG_ZERO with finite number. */
734 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
735 ASSERT (result != NULL);
736 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
737 || strcmp (result, "0x003.8p-1 33") == 0
738 || strcmp (result, "0x00007p-2 33") == 0
739 || strcmp (result, "0x0000ep-3 33") == 0);
740 ASSERT (length == strlen (result));
744 { /* FLAG_ZERO with infinite number. */
747 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
748 ASSERT (result != NULL);
749 /* "0000000inf 33" is not a valid result; see
750 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
751 ASSERT (strcmp (result, " inf 33") == 0);
752 ASSERT (length == strlen (result));
756 { /* FLAG_ZERO with NaN. */
759 my_asnprintf (NULL, &length, "%010La %d", 0.0L / 0.0L, 33, 44, 55);
760 ASSERT (result != NULL);
761 /* "0000000nan 33" is not a valid result; see
762 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
763 ASSERT (strcmp (result, " nan 33") == 0);
764 ASSERT (length == strlen (result));
768 /* Test the support of the %f format directive. */
770 { /* A positive number. */
773 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
774 ASSERT (result != NULL);
775 ASSERT (strcmp (result, "12.750000 33") == 0);
776 ASSERT (length == strlen (result));
780 { /* A larger positive number. */
783 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
784 ASSERT (result != NULL);
785 ASSERT (strcmp (result, "1234567.000000 33") == 0);
786 ASSERT (length == strlen (result));
790 { /* Small and large positive numbers. */
791 static struct { double value; const char *string; } data[] =
793 { 1.234321234321234e-37, "0.000000" },
794 { 1.234321234321234e-36, "0.000000" },
795 { 1.234321234321234e-35, "0.000000" },
796 { 1.234321234321234e-34, "0.000000" },
797 { 1.234321234321234e-33, "0.000000" },
798 { 1.234321234321234e-32, "0.000000" },
799 { 1.234321234321234e-31, "0.000000" },
800 { 1.234321234321234e-30, "0.000000" },
801 { 1.234321234321234e-29, "0.000000" },
802 { 1.234321234321234e-28, "0.000000" },
803 { 1.234321234321234e-27, "0.000000" },
804 { 1.234321234321234e-26, "0.000000" },
805 { 1.234321234321234e-25, "0.000000" },
806 { 1.234321234321234e-24, "0.000000" },
807 { 1.234321234321234e-23, "0.000000" },
808 { 1.234321234321234e-22, "0.000000" },
809 { 1.234321234321234e-21, "0.000000" },
810 { 1.234321234321234e-20, "0.000000" },
811 { 1.234321234321234e-19, "0.000000" },
812 { 1.234321234321234e-18, "0.000000" },
813 { 1.234321234321234e-17, "0.000000" },
814 { 1.234321234321234e-16, "0.000000" },
815 { 1.234321234321234e-15, "0.000000" },
816 { 1.234321234321234e-14, "0.000000" },
817 { 1.234321234321234e-13, "0.000000" },
818 { 1.234321234321234e-12, "0.000000" },
819 { 1.234321234321234e-11, "0.000000" },
820 { 1.234321234321234e-10, "0.000000" },
821 { 1.234321234321234e-9, "0.000000" },
822 { 1.234321234321234e-8, "0.000000" },
823 { 1.234321234321234e-7, "0.000000" },
824 { 1.234321234321234e-6, "0.000001" },
825 { 1.234321234321234e-5, "0.000012" },
826 { 1.234321234321234e-4, "0.000123" },
827 { 1.234321234321234e-3, "0.001234" },
828 { 1.234321234321234e-2, "0.012343" },
829 { 1.234321234321234e-1, "0.123432" },
830 { 1.234321234321234, "1.234321" },
831 { 1.234321234321234e1, "12.343212" },
832 { 1.234321234321234e2, "123.432123" },
833 { 1.234321234321234e3, "1234.321234" },
834 { 1.234321234321234e4, "12343.212343" },
835 { 1.234321234321234e5, "123432.123432" },
836 { 1.234321234321234e6, "1234321.234321" },
837 { 1.234321234321234e7, "12343212.343212" },
838 { 1.234321234321234e8, "123432123.432123" },
839 { 1.234321234321234e9, "1234321234.321234" },
840 { 1.234321234321234e10, "12343212343.2123**" },
841 { 1.234321234321234e11, "123432123432.123***" },
842 { 1.234321234321234e12, "1234321234321.23****" },
843 { 1.234321234321234e13, "12343212343212.3*****" },
844 { 1.234321234321234e14, "123432123432123.******" },
845 { 1.234321234321234e15, "1234321234321234.000000" },
846 { 1.234321234321234e16, "123432123432123**.000000" },
847 { 1.234321234321234e17, "123432123432123***.000000" },
848 { 1.234321234321234e18, "123432123432123****.000000" },
849 { 1.234321234321234e19, "123432123432123*****.000000" },
850 { 1.234321234321234e20, "123432123432123******.000000" },
851 { 1.234321234321234e21, "123432123432123*******.000000" },
852 { 1.234321234321234e22, "123432123432123********.000000" },
853 { 1.234321234321234e23, "123432123432123*********.000000" },
854 { 1.234321234321234e24, "123432123432123**********.000000" },
855 { 1.234321234321234e25, "123432123432123***********.000000" },
856 { 1.234321234321234e26, "123432123432123************.000000" },
857 { 1.234321234321234e27, "123432123432123*************.000000" },
858 { 1.234321234321234e28, "123432123432123**************.000000" },
859 { 1.234321234321234e29, "123432123432123***************.000000" },
860 { 1.234321234321234e30, "123432123432123****************.000000" },
861 { 1.234321234321234e31, "123432123432123*****************.000000" },
862 { 1.234321234321234e32, "123432123432123******************.000000" },
863 { 1.234321234321234e33, "123432123432123*******************.000000" },
864 { 1.234321234321234e34, "123432123432123********************.000000" },
865 { 1.234321234321234e35, "123432123432123*********************.000000" },
866 { 1.234321234321234e36, "123432123432123**********************.000000" }
869 for (k = 0; k < SIZEOF (data); k++)
873 my_asnprintf (NULL, &length, "%f", data[k].value);
874 ASSERT (result != NULL);
875 ASSERT (strmatch (data[k].string, result));
876 ASSERT (length == strlen (result));
881 { /* A negative number. */
884 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
885 ASSERT (result != NULL);
886 ASSERT (strcmp (result, "-0.031250 33") == 0);
887 ASSERT (length == strlen (result));
891 { /* Positive zero. */
894 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
895 ASSERT (result != NULL);
896 ASSERT (strcmp (result, "0.000000 33") == 0);
897 ASSERT (length == strlen (result));
901 { /* Negative zero. */
904 my_asnprintf (NULL, &length, "%f %d", -0.0, 33, 44, 55);
905 ASSERT (result != NULL);
906 ASSERT (strcmp (result, "-0.000000 33") == 0);
907 ASSERT (length == strlen (result));
911 { /* Positive infinity. */
914 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
915 ASSERT (result != NULL);
916 ASSERT (strcmp (result, "inf 33") == 0
917 || strcmp (result, "infinity 33") == 0);
918 ASSERT (length == strlen (result));
922 { /* Negative infinity. */
925 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
926 ASSERT (result != NULL);
927 ASSERT (strcmp (result, "-inf 33") == 0
928 || strcmp (result, "-infinity 33") == 0);
929 ASSERT (length == strlen (result));
936 my_asnprintf (NULL, &length, "%f %d", NaN (), 33, 44, 55);
937 ASSERT (result != NULL);
938 ASSERT (strcmp (result, "nan 33") == 0);
939 ASSERT (length == strlen (result));
946 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
947 ASSERT (result != NULL);
948 ASSERT (strcmp (result, " 1.750000 33") == 0);
949 ASSERT (length == strlen (result));
956 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
957 ASSERT (result != NULL);
958 ASSERT (strcmp (result, "1.750000 33") == 0);
959 ASSERT (length == strlen (result));
963 { /* FLAG_SHOWSIGN. */
966 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
967 ASSERT (result != NULL);
968 ASSERT (strcmp (result, "+1.750000 33") == 0);
969 ASSERT (length == strlen (result));
976 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
977 ASSERT (result != NULL);
978 ASSERT (strcmp (result, " 1.750000 33") == 0);
979 ASSERT (length == strlen (result));
986 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
987 ASSERT (result != NULL);
988 ASSERT (strcmp (result, "1.750000 33") == 0);
989 ASSERT (length == strlen (result));
996 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
997 ASSERT (result != NULL);
998 ASSERT (strcmp (result, "2. 33") == 0);
999 ASSERT (length == strlen (result));
1003 { /* FLAG_ZERO with finite number. */
1006 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1007 ASSERT (result != NULL);
1008 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1009 ASSERT (length == strlen (result));
1013 { /* FLAG_ZERO with infinite number. */
1016 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1017 ASSERT (result != NULL);
1018 ASSERT (strcmp (result, " -inf 33") == 0
1019 || strcmp (result, " -infinity 33") == 0);
1020 ASSERT (length == strlen (result));
1024 { /* FLAG_ZERO with NaN. */
1027 my_asnprintf (NULL, &length, "%015f %d", NaN (), 33, 44, 55);
1028 ASSERT (result != NULL);
1029 ASSERT (strcmp (result, " nan 33") == 0);
1030 ASSERT (length == strlen (result));
1037 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1038 ASSERT (result != NULL);
1039 ASSERT (strcmp (result, "1234 33") == 0);
1040 ASSERT (length == strlen (result));
1044 { /* A positive number. */
1047 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1048 ASSERT (result != NULL);
1049 ASSERT (strcmp (result, "12.750000 33") == 0);
1050 ASSERT (length == strlen (result));
1054 { /* A larger positive number. */
1057 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1058 ASSERT (result != NULL);
1059 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1060 ASSERT (length == strlen (result));
1064 { /* Small and large positive numbers. */
1065 static struct { long double value; const char *string; } data[] =
1067 { 1.234321234321234e-37L, "0.000000" },
1068 { 1.234321234321234e-36L, "0.000000" },
1069 { 1.234321234321234e-35L, "0.000000" },
1070 { 1.234321234321234e-34L, "0.000000" },
1071 { 1.234321234321234e-33L, "0.000000" },
1072 { 1.234321234321234e-32L, "0.000000" },
1073 { 1.234321234321234e-31L, "0.000000" },
1074 { 1.234321234321234e-30L, "0.000000" },
1075 { 1.234321234321234e-29L, "0.000000" },
1076 { 1.234321234321234e-28L, "0.000000" },
1077 { 1.234321234321234e-27L, "0.000000" },
1078 { 1.234321234321234e-26L, "0.000000" },
1079 { 1.234321234321234e-25L, "0.000000" },
1080 { 1.234321234321234e-24L, "0.000000" },
1081 { 1.234321234321234e-23L, "0.000000" },
1082 { 1.234321234321234e-22L, "0.000000" },
1083 { 1.234321234321234e-21L, "0.000000" },
1084 { 1.234321234321234e-20L, "0.000000" },
1085 { 1.234321234321234e-19L, "0.000000" },
1086 { 1.234321234321234e-18L, "0.000000" },
1087 { 1.234321234321234e-17L, "0.000000" },
1088 { 1.234321234321234e-16L, "0.000000" },
1089 { 1.234321234321234e-15L, "0.000000" },
1090 { 1.234321234321234e-14L, "0.000000" },
1091 { 1.234321234321234e-13L, "0.000000" },
1092 { 1.234321234321234e-12L, "0.000000" },
1093 { 1.234321234321234e-11L, "0.000000" },
1094 { 1.234321234321234e-10L, "0.000000" },
1095 { 1.234321234321234e-9L, "0.000000" },
1096 { 1.234321234321234e-8L, "0.000000" },
1097 { 1.234321234321234e-7L, "0.000000" },
1098 { 1.234321234321234e-6L, "0.000001" },
1099 { 1.234321234321234e-5L, "0.000012" },
1100 { 1.234321234321234e-4L, "0.000123" },
1101 { 1.234321234321234e-3L, "0.001234" },
1102 { 1.234321234321234e-2L, "0.012343" },
1103 { 1.234321234321234e-1L, "0.123432" },
1104 { 1.234321234321234L, "1.234321" },
1105 { 1.234321234321234e1L, "12.343212" },
1106 { 1.234321234321234e2L, "123.432123" },
1107 { 1.234321234321234e3L, "1234.321234" },
1108 { 1.234321234321234e4L, "12343.212343" },
1109 { 1.234321234321234e5L, "123432.123432" },
1110 { 1.234321234321234e6L, "1234321.234321" },
1111 { 1.234321234321234e7L, "12343212.343212" },
1112 { 1.234321234321234e8L, "123432123.432123" },
1113 { 1.234321234321234e9L, "1234321234.321234" },
1114 { 1.234321234321234e10L, "12343212343.2123**" },
1115 { 1.234321234321234e11L, "123432123432.123***" },
1116 { 1.234321234321234e12L, "1234321234321.23****" },
1117 { 1.234321234321234e13L, "12343212343212.3*****" },
1118 { 1.234321234321234e14L, "123432123432123.******" },
1119 { 1.234321234321234e15L, "1234321234321234.000000" },
1120 { 1.234321234321234e16L, "123432123432123**.000000" },
1121 { 1.234321234321234e17L, "123432123432123***.000000" },
1122 { 1.234321234321234e18L, "123432123432123****.000000" },
1123 { 1.234321234321234e19L, "123432123432123*****.000000" },
1124 { 1.234321234321234e20L, "123432123432123******.000000" },
1125 { 1.234321234321234e21L, "123432123432123*******.000000" },
1126 { 1.234321234321234e22L, "123432123432123********.000000" },
1127 { 1.234321234321234e23L, "123432123432123*********.000000" },
1128 { 1.234321234321234e24L, "123432123432123**********.000000" },
1129 { 1.234321234321234e25L, "123432123432123***********.000000" },
1130 { 1.234321234321234e26L, "123432123432123************.000000" },
1131 { 1.234321234321234e27L, "123432123432123*************.000000" },
1132 { 1.234321234321234e28L, "123432123432123**************.000000" },
1133 { 1.234321234321234e29L, "123432123432123***************.000000" },
1134 { 1.234321234321234e30L, "123432123432123****************.000000" },
1135 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1136 { 1.234321234321234e32L, "123432123432123******************.000000" },
1137 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1138 { 1.234321234321234e34L, "123432123432123********************.000000" },
1139 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1140 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1143 for (k = 0; k < SIZEOF (data); k++)
1147 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1148 ASSERT (result != NULL);
1149 ASSERT (strmatch (data[k].string, result));
1150 ASSERT (length == strlen (result));
1155 { /* A negative number. */
1158 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1159 ASSERT (result != NULL);
1160 ASSERT (strcmp (result, "-0.031250 33") == 0);
1161 ASSERT (length == strlen (result));
1165 { /* Positive zero. */
1168 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1169 ASSERT (result != NULL);
1170 ASSERT (strcmp (result, "0.000000 33") == 0);
1171 ASSERT (length == strlen (result));
1175 { /* Negative zero. */
1178 my_asnprintf (NULL, &length, "%Lf %d", -0.0L, 33, 44, 55);
1179 ASSERT (result != NULL);
1180 ASSERT (strcmp (result, "-0.000000 33") == 0);
1181 ASSERT (length == strlen (result));
1185 { /* Positive infinity. */
1188 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1189 ASSERT (result != NULL);
1190 ASSERT (strcmp (result, "inf 33") == 0
1191 || strcmp (result, "infinity 33") == 0);
1192 ASSERT (length == strlen (result));
1196 { /* Negative infinity. */
1199 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1200 ASSERT (result != NULL);
1201 ASSERT (strcmp (result, "-inf 33") == 0
1202 || strcmp (result, "-infinity 33") == 0);
1203 ASSERT (length == strlen (result));
1208 static long double zero = 0.0L;
1211 my_asnprintf (NULL, &length, "%Lf %d", zero / zero, 33, 44, 55);
1212 ASSERT (result != NULL);
1213 ASSERT (strcmp (result, "nan 33") == 0);
1214 ASSERT (length == strlen (result));
1221 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1222 ASSERT (result != NULL);
1223 ASSERT (strcmp (result, " 1.750000 33") == 0);
1224 ASSERT (length == strlen (result));
1231 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1232 ASSERT (result != NULL);
1233 ASSERT (strcmp (result, "1.750000 33") == 0);
1234 ASSERT (length == strlen (result));
1238 { /* FLAG_SHOWSIGN. */
1241 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1242 ASSERT (result != NULL);
1243 ASSERT (strcmp (result, "+1.750000 33") == 0);
1244 ASSERT (length == strlen (result));
1251 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1252 ASSERT (result != NULL);
1253 ASSERT (strcmp (result, " 1.750000 33") == 0);
1254 ASSERT (length == strlen (result));
1261 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1262 ASSERT (result != NULL);
1263 ASSERT (strcmp (result, "1.750000 33") == 0);
1264 ASSERT (length == strlen (result));
1271 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1272 ASSERT (result != NULL);
1273 ASSERT (strcmp (result, "2. 33") == 0);
1274 ASSERT (length == strlen (result));
1278 { /* FLAG_ZERO with finite number. */
1281 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1282 ASSERT (result != NULL);
1283 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1284 ASSERT (length == strlen (result));
1288 { /* FLAG_ZERO with infinite number. */
1291 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1292 ASSERT (result != NULL);
1293 ASSERT (strcmp (result, " -inf 33") == 0
1294 || strcmp (result, " -infinity 33") == 0);
1295 ASSERT (length == strlen (result));
1299 { /* FLAG_ZERO with NaN. */
1300 static long double zero = 0.0L;
1303 my_asnprintf (NULL, &length, "%015Lf %d", zero / zero, 33, 44, 55);
1304 ASSERT (result != NULL);
1305 ASSERT (strcmp (result, " nan 33") == 0);
1306 ASSERT (length == strlen (result));
1313 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1314 ASSERT (result != NULL);
1315 ASSERT (strcmp (result, "1234 33") == 0);
1316 ASSERT (length == strlen (result));
1320 /* Test the support of the %F format directive. */
1322 { /* A positive number. */
1325 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1326 ASSERT (result != NULL);
1327 ASSERT (strcmp (result, "12.750000 33") == 0);
1328 ASSERT (length == strlen (result));
1332 { /* A larger positive number. */
1335 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1336 ASSERT (result != NULL);
1337 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1338 ASSERT (length == strlen (result));
1342 { /* A negative number. */
1345 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1346 ASSERT (result != NULL);
1347 ASSERT (strcmp (result, "-0.031250 33") == 0);
1348 ASSERT (length == strlen (result));
1352 { /* Positive zero. */
1355 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1356 ASSERT (result != NULL);
1357 ASSERT (strcmp (result, "0.000000 33") == 0);
1358 ASSERT (length == strlen (result));
1362 { /* Negative zero. */
1365 my_asnprintf (NULL, &length, "%F %d", -0.0, 33, 44, 55);
1366 ASSERT (result != NULL);
1367 ASSERT (strcmp (result, "-0.000000 33") == 0);
1368 ASSERT (length == strlen (result));
1372 { /* Positive infinity. */
1375 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1376 ASSERT (result != NULL);
1377 ASSERT (strcmp (result, "INF 33") == 0
1378 || strcmp (result, "INFINITY 33") == 0);
1379 ASSERT (length == strlen (result));
1383 { /* Negative infinity. */
1386 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1387 ASSERT (result != NULL);
1388 ASSERT (strcmp (result, "-INF 33") == 0
1389 || strcmp (result, "-INFINITY 33") == 0);
1390 ASSERT (length == strlen (result));
1397 my_asnprintf (NULL, &length, "%F %d", NaN (), 33, 44, 55);
1398 ASSERT (result != NULL);
1399 ASSERT (strcmp (result, "NAN 33") == 0);
1400 ASSERT (length == strlen (result));
1407 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1408 ASSERT (result != NULL);
1409 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1410 ASSERT (length == strlen (result));
1414 { /* FLAG_ZERO with infinite number. */
1417 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1418 ASSERT (result != NULL);
1419 ASSERT (strcmp (result, " -INF 33") == 0
1420 || strcmp (result, " -INFINITY 33") == 0);
1421 ASSERT (length == strlen (result));
1428 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1429 ASSERT (result != NULL);
1430 ASSERT (strcmp (result, "1234 33") == 0);
1431 ASSERT (length == strlen (result));
1435 { /* A positive number. */
1438 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1439 ASSERT (result != NULL);
1440 ASSERT (strcmp (result, "12.750000 33") == 0);
1441 ASSERT (length == strlen (result));
1445 { /* A larger positive number. */
1448 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1449 ASSERT (result != NULL);
1450 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1451 ASSERT (length == strlen (result));
1455 { /* A negative number. */
1458 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1459 ASSERT (result != NULL);
1460 ASSERT (strcmp (result, "-0.031250 33") == 0);
1461 ASSERT (length == strlen (result));
1465 { /* Positive zero. */
1468 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1469 ASSERT (result != NULL);
1470 ASSERT (strcmp (result, "0.000000 33") == 0);
1471 ASSERT (length == strlen (result));
1475 { /* Negative zero. */
1478 my_asnprintf (NULL, &length, "%LF %d", -0.0L, 33, 44, 55);
1479 ASSERT (result != NULL);
1480 ASSERT (strcmp (result, "-0.000000 33") == 0);
1481 ASSERT (length == strlen (result));
1485 { /* Positive infinity. */
1488 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1489 ASSERT (result != NULL);
1490 ASSERT (strcmp (result, "INF 33") == 0
1491 || strcmp (result, "INFINITY 33") == 0);
1492 ASSERT (length == strlen (result));
1496 { /* Negative infinity. */
1499 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1500 ASSERT (result != NULL);
1501 ASSERT (strcmp (result, "-INF 33") == 0
1502 || strcmp (result, "-INFINITY 33") == 0);
1503 ASSERT (length == strlen (result));
1508 static long double zero = 0.0L;
1511 my_asnprintf (NULL, &length, "%LF %d", zero / zero, 33, 44, 55);
1512 ASSERT (result != NULL);
1513 ASSERT (strcmp (result, "NAN 33") == 0);
1514 ASSERT (length == strlen (result));
1521 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1522 ASSERT (result != NULL);
1523 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1524 ASSERT (length == strlen (result));
1528 { /* FLAG_ZERO with infinite number. */
1531 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1532 ASSERT (result != NULL);
1533 ASSERT (strcmp (result, " -INF 33") == 0
1534 || strcmp (result, " -INFINITY 33") == 0);
1535 ASSERT (length == strlen (result));
1542 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1543 ASSERT (result != NULL);
1544 ASSERT (strcmp (result, "1234 33") == 0);
1545 ASSERT (length == strlen (result));
1549 /* Test the support of the %n format directive. */
1555 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
1556 ASSERT (result != NULL);
1557 ASSERT (strcmp (result, "123 ") == 0);
1558 ASSERT (length == strlen (result));
1559 ASSERT (count == 4);
1563 /* Test the support of the POSIX/XSI format strings with positions. */
1568 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
1569 ASSERT (result != NULL);
1570 ASSERT (strcmp (result, "55 33") == 0);
1571 ASSERT (length == strlen (result));
1575 /* Test the support of the grouping flag. */
1580 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
1581 ASSERT (result != NULL);
1582 ASSERT (result[strlen (result) - 1] == '9');
1583 ASSERT (length == strlen (result));
1589 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
1594 va_start (args, format);
1595 ret = vasnprintf (resultbuf, lengthp, format, args);
1603 test_function (my_asnprintf);
1609 test_function (asnprintf);
1613 main (int argc, char *argv[])