1 | /* Unit tests for gprintf |
2 | * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
3 | * |
4 | * This work is provided "as is"; redistribution and modification |
5 | * in whole or in part, in any medium, physical or electronic is |
6 | * permitted without restriction. |
7 | * |
8 | * This work is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
11 | * |
12 | * In no event shall the authors or contributors be liable for any |
13 | * direct, indirect, incidental, special, exemplary, or consequential |
14 | * damages (including, but not limited to, procurement of substitute |
15 | * goods or services; loss of use, data, or profits; or business |
16 | * interruption) however caused and on any theory of liability, whether |
17 | * in contract, strict liability, or tort (including negligence or |
18 | * otherwise) arising in any way out of the use of this software, even |
19 | * if advised of the possibility of such damage. |
20 | */ |
21 | |
22 | #include <stdlib.h> |
23 | #include <stdio.h> |
24 | #include <string.h> |
25 | #include "glib.h" |
26 | #include "gstdio.h" |
27 | #ifdef G_OS_WIN32 |
28 | #include <io.h> |
29 | #include <fcntl.h> |
30 | #endif |
31 | |
32 | static void |
33 | test_retval_and_trunc (void) |
34 | { |
35 | gchar buf[128]; |
36 | gint res; |
37 | |
38 | res = g_snprintf (string: buf, n: 0, format: "abc" ); |
39 | g_assert_cmpint (res, ==, 3); |
40 | |
41 | res = g_snprintf (NULL, n: 0, format: "abc" ); |
42 | g_assert_cmpint (res, ==, 3); |
43 | |
44 | res = g_snprintf (string: buf, n: 5, format: "abc" ); |
45 | g_assert_cmpint (res, ==, 3); |
46 | |
47 | res = g_snprintf (string: buf, n: 1, format: "abc" ); |
48 | g_assert_cmpint (res, ==, 3); |
49 | g_assert (buf[0] == '\0'); |
50 | g_assert_cmpstr (buf, ==, "" ); |
51 | |
52 | res = g_snprintf (string: buf, n: 2, format: "abc" ); |
53 | g_assert_cmpint (res, ==, 3); |
54 | g_assert (buf[1] == '\0'); |
55 | g_assert_cmpstr (buf, ==, "a" ); |
56 | |
57 | res = g_snprintf (string: buf, n: 3, format: "abc" ); |
58 | g_assert_cmpint (res, ==, 3); |
59 | g_assert (buf[2] == '\0'); |
60 | g_assert_cmpstr (buf, ==, "ab" ); |
61 | |
62 | res = g_snprintf (string: buf, n: 4, format: "abc" ); |
63 | g_assert_cmpint (res, ==, 3); |
64 | g_assert (buf[3] == '\0'); |
65 | g_assert_cmpstr (buf, ==, "abc" ); |
66 | |
67 | res = g_snprintf (string: buf, n: 5, format: "abc" ); |
68 | g_assert_cmpint (res, ==, 3); |
69 | g_assert (buf[3] == '\0'); |
70 | g_assert_cmpstr (buf, ==, "abc" ); |
71 | } |
72 | |
73 | static void |
74 | test_d (void) |
75 | { |
76 | gchar buf[128]; |
77 | gint res; |
78 | |
79 | /* %d basic formatting */ |
80 | |
81 | res = g_snprintf (string: buf, n: 128, format: "%d" , 5); |
82 | g_assert_cmpint (res, ==, 1); |
83 | g_assert_cmpstr (buf, ==, "5" ); |
84 | |
85 | res = g_snprintf (string: buf, n: 128, format: "%d" , 0); |
86 | g_assert_cmpint (res, ==, 1); |
87 | g_assert_cmpstr (buf, ==, "0" ); |
88 | |
89 | res = g_snprintf (string: buf, n: 128, format: "%.0d" , 0); |
90 | g_assert_cmpint (res, ==, 0); |
91 | g_assert_cmpstr (buf, ==, "" ); |
92 | |
93 | res = g_snprintf (string: buf, n: 128, format: "%.0d" , 1); |
94 | g_assert_cmpint (res, ==, 1); |
95 | g_assert_cmpstr (buf, ==, "1" ); |
96 | |
97 | res = g_snprintf (string: buf, n: 128, format: "%.d" , 2); |
98 | g_assert_cmpint (res, ==, 1); |
99 | g_assert_cmpstr (buf, ==, "2" ); |
100 | |
101 | res = g_snprintf (string: buf, n: 128, format: "%d" , -1); |
102 | g_assert_cmpint (res, ==, 2); |
103 | g_assert_cmpstr (buf, ==, "-1" ); |
104 | |
105 | res = g_snprintf (string: buf, n: 128, format: "%.3d" , 5); |
106 | g_assert_cmpint (res, ==, 3); |
107 | g_assert_cmpstr (buf, ==, "005" ); |
108 | |
109 | res = g_snprintf (string: buf, n: 128, format: "%.3d" , -5); |
110 | g_assert_cmpint (res, ==, 4); |
111 | g_assert_cmpstr (buf, ==, "-005" ); |
112 | |
113 | res = g_snprintf (string: buf, n: 128, format: "%5.3d" , 5); |
114 | g_assert_cmpint (res, ==, 5); |
115 | g_assert_cmpstr (buf, ==, " 005" ); |
116 | |
117 | res = g_snprintf (string: buf, n: 128, format: "%-5.3d" , -5); |
118 | g_assert_cmpint (res, ==, 5); |
119 | g_assert_cmpstr (buf, ==, "-005 " ); |
120 | |
121 | /* %d, length modifiers */ |
122 | |
123 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT16_FORMAT, (gint16)-5); |
124 | g_assert_cmpint (res, ==, 2); |
125 | g_assert_cmpstr (buf, ==, "-5" ); |
126 | |
127 | res = g_snprintf (string: buf, n: 128, format: "%" G_GUINT16_FORMAT, (guint16)5); |
128 | g_assert_cmpint (res, ==, 1); |
129 | g_assert_cmpstr (buf, ==, "5" ); |
130 | |
131 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT32_FORMAT, (gint32)-5); |
132 | g_assert_cmpint (res, ==, 2); |
133 | g_assert_cmpstr (buf, ==, "-5" ); |
134 | |
135 | res = g_snprintf (string: buf, n: 128, format: "%" G_GUINT32_FORMAT, (guint32)5); |
136 | g_assert_cmpint (res, ==, 1); |
137 | g_assert_cmpstr (buf, ==, "5" ); |
138 | |
139 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_FORMAT, (gint64)-5); |
140 | g_assert_cmpint (res, ==, 2); |
141 | g_assert_cmpstr (buf, ==, "-5" ); |
142 | |
143 | res = g_snprintf (string: buf, n: 128, format: "%" G_GUINT64_FORMAT, (guint64)5); |
144 | g_assert_cmpint (res, ==, 1); |
145 | g_assert_cmpstr (buf, ==, "5" ); |
146 | |
147 | res = g_snprintf (string: buf, n: 128, format: "%" G_GSSIZE_FORMAT, (gssize)-5); |
148 | g_assert_cmpint (res, ==, 2); |
149 | g_assert_cmpstr (buf, ==, "-5" ); |
150 | |
151 | res = g_snprintf (string: buf, n: 128, format: "%" G_GSIZE_FORMAT, (gsize)5); |
152 | g_assert_cmpint (res, ==, 1); |
153 | g_assert_cmpstr (buf, ==, "5" ); |
154 | |
155 | /* %d, flags */ |
156 | |
157 | res = g_snprintf (string: buf, n: 128, format: "%-d" , 5); |
158 | g_assert_cmpint (res, ==, 1); |
159 | g_assert_cmpstr (buf, ==, "5" ); |
160 | |
161 | res = g_snprintf (string: buf, n: 128, format: "%-+d" , 5); |
162 | g_assert_cmpint (res, ==, 2); |
163 | g_assert_cmpstr (buf, ==, "+5" ); |
164 | |
165 | res = g_snprintf (string: buf, n: 128, format: "%+-d" , 5); |
166 | g_assert_cmpint (res, ==, 2); |
167 | g_assert_cmpstr (buf, ==, "+5" ); |
168 | |
169 | res = g_snprintf (string: buf, n: 128, format: "%+d" , -5); |
170 | g_assert_cmpint (res, ==, 2); |
171 | g_assert_cmpstr (buf, ==, "-5" ); |
172 | |
173 | res = g_snprintf (string: buf, n: 128, format: "% d" , 5); |
174 | g_assert_cmpint (res, ==, 2); |
175 | g_assert_cmpstr (buf, ==, " 5" ); |
176 | |
177 | res = g_snprintf (string: buf, n: 128, format: "% .0d" , 0); |
178 | g_assert_cmpint (res, ==, 1); |
179 | g_assert_cmpstr (buf, ==, " " ); |
180 | |
181 | res = g_snprintf (string: buf, n: 128, format: "%03d" , 5); |
182 | g_assert_cmpint (res, ==, 3); |
183 | g_assert_cmpstr (buf, ==, "005" ); |
184 | |
185 | res = g_snprintf (string: buf, n: 128, format: "%03d" , -5); |
186 | g_assert_cmpint (res, ==, 3); |
187 | g_assert_cmpstr (buf, ==, "-05" ); |
188 | } |
189 | |
190 | /* gcc emits warnings for the following formats, since the C spec |
191 | * says some of the flags must be ignored. (The " " in "% +d" and |
192 | * the "0" in "%-03d".) But we need to test that our printf gets |
193 | * those rules right. So we fool gcc into not warning. |
194 | * |
195 | * These have to be in a separate function in order to use #pragma. |
196 | */ |
197 | #pragma GCC diagnostic push |
198 | #pragma GCC diagnostic ignored "-Wformat-nonliteral" |
199 | static void |
200 | test_d_invalid (void) |
201 | { |
202 | const gchar *fmt; |
203 | gchar buf[128]; |
204 | gint res; |
205 | |
206 | fmt = "% +d" ; |
207 | res = g_snprintf (string: buf, n: 128, format: fmt, 5); |
208 | g_assert_cmpint (res, ==, 2); |
209 | g_assert_cmpstr (buf, ==, "+5" ); |
210 | |
211 | fmt = "%-03d" ; |
212 | res = g_snprintf (string: buf, n: 128, format: fmt, -5); |
213 | g_assert_cmpint (res, ==, 3); |
214 | g_assert_cmpstr (buf, ==, "-5 " ); |
215 | } |
216 | #pragma GCC diagnostic pop |
217 | |
218 | static void |
219 | test_o (void) |
220 | { |
221 | gchar buf[128]; |
222 | gint res; |
223 | |
224 | /* %o basic formatting */ |
225 | |
226 | res = g_snprintf (string: buf, n: 128, format: "%o" , 5); |
227 | g_assert_cmpint (res, ==, 1); |
228 | g_assert_cmpstr (buf, ==, "5" ); |
229 | |
230 | res = g_snprintf (string: buf, n: 128, format: "%o" , 8); |
231 | g_assert_cmpint (res, ==, 2); |
232 | g_assert_cmpstr (buf, ==, "10" ); |
233 | |
234 | res = g_snprintf (string: buf, n: 128, format: "%o" , 0); |
235 | g_assert_cmpint (res, ==, 1); |
236 | g_assert_cmpstr (buf, ==, "0" ); |
237 | |
238 | res = g_snprintf (string: buf, n: 128, format: "%.0o" , 0); |
239 | g_assert_cmpint (res, ==, 0); |
240 | g_assert_cmpstr (buf, ==, "" ); |
241 | |
242 | res = g_snprintf (string: buf, n: 128, format: "%.0o" , 1); |
243 | g_assert_cmpint (res, ==, 1); |
244 | g_assert_cmpstr (buf, ==, "1" ); |
245 | |
246 | res = g_snprintf (string: buf, n: 128, format: "%.3o" , 5); |
247 | g_assert_cmpint (res, ==, 3); |
248 | g_assert_cmpstr (buf, ==, "005" ); |
249 | |
250 | res = g_snprintf (string: buf, n: 128, format: "%.3o" , 8); |
251 | g_assert_cmpint (res, ==, 3); |
252 | g_assert_cmpstr (buf, ==, "010" ); |
253 | |
254 | res = g_snprintf (string: buf, n: 128, format: "%5.3o" , 5); |
255 | g_assert_cmpint (res, ==, 5); |
256 | g_assert_cmpstr (buf, ==, " 005" ); |
257 | } |
258 | |
259 | static void |
260 | test_u (void) |
261 | { |
262 | gchar buf[128]; |
263 | gint res; |
264 | |
265 | /* %u, basic formatting */ |
266 | |
267 | res = g_snprintf (string: buf, n: 128, format: "%u" , 5); |
268 | g_assert_cmpint (res, ==, 1); |
269 | g_assert_cmpstr (buf, ==, "5" ); |
270 | |
271 | res = g_snprintf (string: buf, n: 128, format: "%u" , 0); |
272 | g_assert_cmpint (res, ==, 1); |
273 | g_assert_cmpstr (buf, ==, "0" ); |
274 | |
275 | res = g_snprintf (string: buf, n: 128, format: "%.0u" , 0); |
276 | g_assert_cmpint (res, ==, 0); |
277 | g_assert_cmpstr (buf, ==, "" ); |
278 | |
279 | res = g_snprintf (string: buf, n: 128, format: "%.0u" , 1); |
280 | g_assert_cmpint (res, ==, 1); |
281 | g_assert_cmpstr (buf, ==, "1" ); |
282 | |
283 | res = g_snprintf (string: buf, n: 128, format: "%.3u" , 5); |
284 | g_assert_cmpint (res, ==, 3); |
285 | g_assert_cmpstr (buf, ==, "005" ); |
286 | |
287 | res = g_snprintf (string: buf, n: 128, format: "%5.3u" , 5); |
288 | g_assert_cmpint (res, ==, 5); |
289 | g_assert_cmpstr (buf, ==, " 005" ); |
290 | } |
291 | |
292 | static void |
293 | test_x (void) |
294 | { |
295 | gchar buf[128]; |
296 | gint res; |
297 | |
298 | /* %x, basic formatting */ |
299 | |
300 | res = g_snprintf (string: buf, n: 128, format: "%x" , 5); |
301 | g_assert_cmpint (res, ==, 1); |
302 | g_assert_cmpstr (buf, ==, "5" ); |
303 | |
304 | res = g_snprintf (string: buf, n: 128, format: "%x" , 31); |
305 | g_assert_cmpint (res, ==, 2); |
306 | g_assert_cmpstr (buf, ==, "1f" ); |
307 | |
308 | res = g_snprintf (string: buf, n: 128, format: "%x" , 0); |
309 | g_assert_cmpint (res, ==, 1); |
310 | g_assert_cmpstr (buf, ==, "0" ); |
311 | |
312 | res = g_snprintf (string: buf, n: 128, format: "%.0x" , 0); |
313 | g_assert_cmpint (res, ==, 0); |
314 | g_assert_cmpstr (buf, ==, "" ); |
315 | |
316 | res = g_snprintf (string: buf, n: 128, format: "%.0x" , 1); |
317 | g_assert_cmpint (res, ==, 1); |
318 | g_assert_cmpstr (buf, ==, "1" ); |
319 | |
320 | res = g_snprintf (string: buf, n: 128, format: "%.3x" , 5); |
321 | g_assert_cmpint (res, ==, 3); |
322 | g_assert_cmpstr (buf, ==, "005" ); |
323 | |
324 | res = g_snprintf (string: buf, n: 128, format: "%.3x" , 31); |
325 | g_assert_cmpint (res, ==, 3); |
326 | g_assert_cmpstr (buf, ==, "01f" ); |
327 | |
328 | res = g_snprintf (string: buf, n: 128, format: "%5.3x" , 5); |
329 | g_assert_cmpint (res, ==, 5); |
330 | g_assert_cmpstr (buf, ==, " 005" ); |
331 | |
332 | /* %x, flags */ |
333 | |
334 | res = g_snprintf (string: buf, n: 128, format: "%-x" , 5); |
335 | g_assert_cmpint (res, ==, 1); |
336 | g_assert_cmpstr (buf, ==, "5" ); |
337 | |
338 | res = g_snprintf (string: buf, n: 128, format: "%03x" , 5); |
339 | g_assert_cmpint (res, ==, 3); |
340 | g_assert_cmpstr (buf, ==, "005" ); |
341 | |
342 | res = g_snprintf (string: buf, n: 128, format: "%#x" , 31); |
343 | g_assert_cmpint (res, ==, 4); |
344 | g_assert_cmpstr (buf, ==, "0x1f" ); |
345 | |
346 | res = g_snprintf (string: buf, n: 128, format: "%#x" , 0); |
347 | g_assert_cmpint (res, ==, 1); |
348 | g_assert_cmpstr (buf, ==, "0" ); |
349 | } |
350 | |
351 | static void |
352 | test_X (void) |
353 | { |
354 | gchar buf[128]; |
355 | gint res; |
356 | |
357 | /* %X, basic formatting */ |
358 | |
359 | res = g_snprintf (string: buf, n: 128, format: "%X" , 5); |
360 | g_assert_cmpint (res, ==, 1); |
361 | g_assert_cmpstr (buf, ==, "5" ); |
362 | |
363 | res = g_snprintf (string: buf, n: 128, format: "%X" , 31); |
364 | g_assert_cmpint (res, ==, 2); |
365 | g_assert_cmpstr (buf, ==, "1F" ); |
366 | |
367 | res = g_snprintf (string: buf, n: 128, format: "%X" , 0); |
368 | g_assert_cmpint (res, ==, 1); |
369 | g_assert_cmpstr (buf, ==, "0" ); |
370 | |
371 | res = g_snprintf (string: buf, n: 128, format: "%.0X" , 0); |
372 | g_assert_cmpint (res, ==, 0); |
373 | g_assert_cmpstr (buf, ==, "" ); |
374 | |
375 | res = g_snprintf (string: buf, n: 128, format: "%.0X" , 1); |
376 | g_assert_cmpint (res, ==, 1); |
377 | g_assert_cmpstr (buf, ==, "1" ); |
378 | |
379 | res = g_snprintf (string: buf, n: 128, format: "%.3X" , 5); |
380 | g_assert_cmpint (res, ==, 3); |
381 | g_assert_cmpstr (buf, ==, "005" ); |
382 | |
383 | res = g_snprintf (string: buf, n: 128, format: "%.3X" , 31); |
384 | g_assert_cmpint (res, ==, 3); |
385 | g_assert_cmpstr (buf, ==, "01F" ); |
386 | |
387 | res = g_snprintf (string: buf, n: 128, format: "%5.3X" , 5); |
388 | g_assert_cmpint (res, ==, 5); |
389 | g_assert_cmpstr (buf, ==, " 005" ); |
390 | |
391 | /* %X, flags */ |
392 | |
393 | res = g_snprintf (string: buf, n: 128, format: "%-X" , 5); |
394 | g_assert_cmpint (res, ==, 1); |
395 | g_assert_cmpstr (buf, ==, "5" ); |
396 | |
397 | res = g_snprintf (string: buf, n: 128, format: "%03X" , 5); |
398 | g_assert_cmpint (res, ==, 3); |
399 | g_assert_cmpstr (buf, ==, "005" ); |
400 | |
401 | res = g_snprintf (string: buf, n: 128, format: "%#X" , 31); |
402 | g_assert_cmpint (res, ==, 4); |
403 | g_assert_cmpstr (buf, ==, "0X1F" ); |
404 | |
405 | res = g_snprintf (string: buf, n: 128, format: "%#X" , 0); |
406 | g_assert_cmpint (res, ==, 1); |
407 | g_assert_cmpstr (buf, ==, "0" ); |
408 | } |
409 | |
410 | static void |
411 | test_f (void) |
412 | { |
413 | gchar buf[128]; |
414 | gint res; |
415 | |
416 | /* %f, basic formatting */ |
417 | |
418 | res = g_snprintf (string: buf, n: 128, format: "%f" , G_PI); |
419 | g_assert_cmpint (res, ==, 8); |
420 | g_assert (0 == strncmp (buf, "3.14159" , 7)); |
421 | |
422 | res = g_snprintf (string: buf, n: 128, format: "%.8f" , G_PI); |
423 | g_assert_cmpint (res, ==, 10); |
424 | g_assert (0 == strncmp (buf, "3.1415926" , 9)); |
425 | |
426 | res = g_snprintf (string: buf, n: 128, format: "%.0f" , G_PI); |
427 | g_assert_cmpint (res, ==, 1); |
428 | g_assert_cmpstr (buf, ==, "3" ); |
429 | |
430 | res = g_snprintf (string: buf, n: 128, format: "%1.f" , G_PI); |
431 | g_assert_cmpint (res, ==, 1); |
432 | g_assert_cmpstr (buf, ==, "3" ); |
433 | |
434 | res = g_snprintf (string: buf, n: 128, format: "%3.f" , G_PI); |
435 | g_assert_cmpint (res, ==, 3); |
436 | g_assert_cmpstr (buf, ==, " 3" ); |
437 | |
438 | /* %f, flags */ |
439 | |
440 | res = g_snprintf (string: buf, n: 128, format: "%+f" , G_PI); |
441 | g_assert_cmpint (res, ==, 9); |
442 | g_assert (0 == strncmp (buf, "+3.14159" , 8)); |
443 | |
444 | res = g_snprintf (string: buf, n: 128, format: "% f" , G_PI); |
445 | g_assert_cmpint (res, ==, 9); |
446 | g_assert (0 == strncmp (buf, " 3.14159" , 8)); |
447 | |
448 | res = g_snprintf (string: buf, n: 128, format: "%#.0f" , G_PI); |
449 | g_assert_cmpint (res, ==, 2); |
450 | g_assert_cmpstr (buf, ==, "3." ); |
451 | |
452 | res = g_snprintf (string: buf, n: 128, format: "%05.2f" , G_PI); |
453 | g_assert_cmpint (res, ==, 5); |
454 | g_assert_cmpstr (buf, ==, "03.14" ); |
455 | } |
456 | |
457 | static gboolean |
458 | same_value (const gchar *actual, |
459 | const gchar *expected) |
460 | { |
461 | gdouble actual_value, expected_value; |
462 | |
463 | actual_value = g_ascii_strtod (nptr: actual, NULL); |
464 | expected_value = g_ascii_strtod (nptr: expected, NULL); |
465 | |
466 | return actual_value == expected_value; |
467 | } |
468 | |
469 | static void |
470 | test_e (void) |
471 | { |
472 | gchar buf[128]; |
473 | gint res; |
474 | |
475 | /* %e, basic formatting */ |
476 | /* for %e we can't expect to reproduce exact strings and lengths, since SUS |
477 | * only guarantees that the exponent shall always contain at least two |
478 | * digits. On Windows, it seems to be at least three digits long. |
479 | * Therefore, we compare the results of parsing the expected result and the |
480 | * actual result. |
481 | */ |
482 | |
483 | res = g_snprintf (string: buf, n: 128, format: "%e" , G_PI); |
484 | g_assert_cmpint (res, >=, 12); |
485 | g_assert (same_value (buf, "3.141593e+00" )); |
486 | |
487 | res = g_snprintf (string: buf, n: 128, format: "%.8e" , G_PI); |
488 | g_assert_cmpint (res, >=, 14); |
489 | g_assert (same_value (buf, "3.14159265e+00" )); |
490 | |
491 | res = g_snprintf (string: buf, n: 128, format: "%.0e" , G_PI); |
492 | g_assert_cmpint (res, >=, 5); |
493 | g_assert (same_value (buf, "3e+00" )); |
494 | |
495 | res = g_snprintf (string: buf, n: 128, format: "%.1e" , 0.0); |
496 | g_assert_cmpint (res, >=, 7); |
497 | g_assert (same_value (buf, "0.0e+00" )); |
498 | |
499 | res = g_snprintf (string: buf, n: 128, format: "%.1e" , 0.00001); |
500 | g_assert_cmpint (res, >=, 7); |
501 | g_assert (same_value (buf, "1.0e-05" )); |
502 | |
503 | res = g_snprintf (string: buf, n: 128, format: "%.1e" , 10000.0); |
504 | g_assert_cmpint (res, >=, 7); |
505 | g_assert (same_value (buf, "1.0e+04" )); |
506 | |
507 | /* %e, flags */ |
508 | |
509 | res = g_snprintf (string: buf, n: 128, format: "%+e" , G_PI); |
510 | g_assert_cmpint (res, >=, 13); |
511 | g_assert (same_value (buf, "+3.141593e+00" )); |
512 | |
513 | res = g_snprintf (string: buf, n: 128, format: "% e" , G_PI); |
514 | g_assert_cmpint (res, >=, 13); |
515 | g_assert (same_value (buf, " 3.141593e+00" )); |
516 | |
517 | res = g_snprintf (string: buf, n: 128, format: "%#.0e" , G_PI); |
518 | g_assert_cmpint (res, >=, 6); |
519 | g_assert (same_value (buf, "3.e+00" )); |
520 | |
521 | res = g_snprintf (string: buf, n: 128, format: "%09.2e" , G_PI); |
522 | g_assert_cmpint (res, >=, 9); |
523 | g_assert (same_value (buf, "03.14e+00" )); |
524 | } |
525 | |
526 | static void |
527 | test_c (void) |
528 | { |
529 | gchar buf[128]; |
530 | gint res; |
531 | |
532 | res = g_snprintf (string: buf, n: 128, format: "%c" , 'a'); |
533 | g_assert_cmpint (res, ==, 1); |
534 | g_assert_cmpstr (buf, ==, "a" ); |
535 | } |
536 | |
537 | static void |
538 | test_s (void) |
539 | { |
540 | gchar buf[128]; |
541 | gint res; |
542 | |
543 | res = g_snprintf (string: buf, n: 128, format: "%.2s" , "abc" ); |
544 | g_assert_cmpint (res, ==, 2); |
545 | g_assert_cmpstr (buf, ==, "ab" ); |
546 | |
547 | res = g_snprintf (string: buf, n: 128, format: "%.6s" , "abc" ); |
548 | g_assert_cmpint (res, ==, 3); |
549 | g_assert_cmpstr (buf, ==, "abc" ); |
550 | |
551 | res = g_snprintf (string: buf, n: 128, format: "%5s" , "abc" ); |
552 | g_assert_cmpint (res, ==, 5); |
553 | g_assert_cmpstr (buf, ==, " abc" ); |
554 | |
555 | res = g_snprintf (string: buf, n: 128, format: "%-5s" , "abc" ); |
556 | g_assert_cmpint (res, ==, 5); |
557 | g_assert_cmpstr (buf, ==, "abc " ); |
558 | |
559 | res = g_snprintf (string: buf, n: 128, format: "%5.2s" , "abc" ); |
560 | g_assert_cmpint (res, ==, 5); |
561 | g_assert_cmpstr (buf, ==, " ab" ); |
562 | |
563 | res = g_snprintf (string: buf, n: 128, format: "%*s" , 5, "abc" ); |
564 | g_assert_cmpint (res, ==, 5); |
565 | g_assert_cmpstr (buf, ==, " abc" ); |
566 | |
567 | res = g_snprintf (string: buf, n: 128, format: "%*s" , -5, "abc" ); |
568 | g_assert_cmpint (res, ==, 5); |
569 | g_assert_cmpstr (buf, ==, "abc " ); |
570 | |
571 | res = g_snprintf (string: buf, n: 128, format: "%*.*s" , 5, 2, "abc" ); |
572 | g_assert_cmpint (res, ==, 5); |
573 | g_assert_cmpstr (buf, ==, " ab" ); |
574 | } |
575 | |
576 | static void |
577 | test_n (void) |
578 | { |
579 | gchar buf[128]; |
580 | gint res; |
581 | gint i; |
582 | glong l; |
583 | |
584 | res = g_snprintf (string: buf, n: 128, format: "abc%n" , &i); |
585 | g_assert_cmpint (res, ==, 3); |
586 | g_assert_cmpstr (buf, ==, "abc" ); |
587 | g_assert_cmpint (i, ==, 3); |
588 | |
589 | res = g_snprintf (string: buf, n: 128, format: "abc%ln" , &l); |
590 | g_assert_cmpint (res, ==, 3); |
591 | g_assert_cmpstr (buf, ==, "abc" ); |
592 | g_assert_cmpint (l, ==, 3); |
593 | } |
594 | |
595 | static void |
596 | test_percent (void) |
597 | { |
598 | gchar buf[128]; |
599 | gint res; |
600 | |
601 | res = g_snprintf (string: buf, n: 128, format: "%%" ); |
602 | g_assert_cmpint (res, ==, 1); |
603 | g_assert_cmpstr (buf, ==, "%" ); |
604 | } |
605 | |
606 | static void |
607 | test_positional_params (void) |
608 | { |
609 | gchar buf[128]; |
610 | gint res; |
611 | |
612 | res = g_snprintf (string: buf, n: 128, format: "%2$c %1$c" , 'b', 'a'); |
613 | g_assert_cmpint (res, ==, 3); |
614 | g_assert_cmpstr (buf, ==, "a b" ); |
615 | |
616 | res = g_snprintf (string: buf, n: 128, format: "%1$*2$.*3$s" , "abc" , 5, 2); |
617 | g_assert_cmpint (res, ==, 5); |
618 | g_assert_cmpstr (buf, ==, " ab" ); |
619 | |
620 | res = g_snprintf (string: buf, n: 128, format: "%1$s%1$s" , "abc" ); |
621 | g_assert_cmpint (res, ==, 6); |
622 | g_assert_cmpstr (buf, ==, "abcabc" ); |
623 | } |
624 | |
625 | static void |
626 | test_positional_params2 (void) |
627 | { |
628 | if (g_test_subprocess ()) |
629 | { |
630 | gint res; |
631 | |
632 | res = g_printf (format: "%2$c %1$c\n" , 'b', 'a'); |
633 | g_assert_cmpint (res, ==, 4); |
634 | |
635 | res = g_printf (format: "%1$*2$.*3$s\n" , "abc" , 5, 2); |
636 | g_assert_cmpint (res, ==, 6); |
637 | |
638 | res = g_printf (format: "%1$s%1$s\n" , "abc" ); |
639 | g_assert_cmpint (res, ==, 7); |
640 | return; |
641 | } |
642 | g_test_trap_subprocess (NULL, usec_timeout: 0, test_flags: 0); |
643 | g_test_trap_assert_passed (); |
644 | g_test_trap_assert_stdout ("a b\n ab\nabcabc\n" ); |
645 | } |
646 | |
647 | static void |
648 | test_positional_params3 (void) |
649 | { |
650 | gchar buf[128]; |
651 | gint res; |
652 | |
653 | res = g_sprintf (string: buf, format: "%2$c %1$c" , 'b', 'a'); |
654 | g_assert_cmpint (res, ==, 3); |
655 | g_assert_cmpstr (buf, ==, "a b" ); |
656 | |
657 | res = g_sprintf (string: buf, format: "%1$*2$.*3$s" , "abc" , 5, 2); |
658 | g_assert_cmpint (res, ==, 5); |
659 | g_assert_cmpstr (buf, ==, " ab" ); |
660 | |
661 | res = g_sprintf (string: buf, format: "%1$s%1$s" , "abc" ); |
662 | g_assert_cmpint (res, ==, 6); |
663 | g_assert_cmpstr (buf, ==, "abcabc" ); |
664 | } |
665 | |
666 | static void |
667 | test_percent2 (void) |
668 | { |
669 | if (g_test_subprocess ()) |
670 | { |
671 | gint res; |
672 | |
673 | res = g_printf (format: "%%" ); |
674 | g_assert_cmpint (res, ==, 1); |
675 | return; |
676 | } |
677 | g_test_trap_subprocess (NULL, usec_timeout: 0, test_flags: 0); |
678 | g_test_trap_assert_passed (); |
679 | g_test_trap_assert_stdout ("*%*" ); |
680 | } |
681 | |
682 | static void |
683 | test_64bit (void) |
684 | { |
685 | gchar buf[128]; |
686 | gint res; |
687 | |
688 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_FORMAT, (gint64)123456); |
689 | g_assert_cmpint (res, ==, 6); |
690 | g_assert_cmpstr (buf, ==, "123456" ); |
691 | |
692 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_FORMAT, (gint64)-123456); |
693 | g_assert_cmpint (res, ==, 7); |
694 | g_assert_cmpstr (buf, ==, "-123456" ); |
695 | |
696 | res = g_snprintf (string: buf, n: 128, format: "%" G_GUINT64_FORMAT, (guint64)123456); |
697 | g_assert_cmpint (res, ==, 6); |
698 | g_assert_cmpstr (buf, ==, "123456" ); |
699 | |
700 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_MODIFIER "o" , (gint64)123456); |
701 | g_assert_cmpint (res, ==, 6); |
702 | g_assert_cmpstr (buf, ==, "361100" ); |
703 | |
704 | res = g_snprintf (string: buf, n: 128, format: "%#" G_GINT64_MODIFIER "o" , (gint64)123456); |
705 | g_assert_cmpint (res, ==, 7); |
706 | g_assert_cmpstr (buf, ==, "0361100" ); |
707 | |
708 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_MODIFIER "x" , (gint64)123456); |
709 | g_assert_cmpint (res, ==, 5); |
710 | g_assert_cmpstr (buf, ==, "1e240" ); |
711 | |
712 | res = g_snprintf (string: buf, n: 128, format: "%#" G_GINT64_MODIFIER "x" , (gint64)123456); |
713 | g_assert_cmpint (res, ==, 7); |
714 | g_assert_cmpstr (buf, ==, "0x1e240" ); |
715 | |
716 | res = g_snprintf (string: buf, n: 128, format: "%" G_GINT64_MODIFIER "X" , (gint64)123456); |
717 | g_assert_cmpint (res, ==, 5); |
718 | g_assert_cmpstr (buf, ==, "1E240" ); |
719 | |
720 | #ifdef G_OS_WIN32 |
721 | /* On Win32, test that the "ll" modifier also works, for backward |
722 | * compatibility. One really should use the G_GINT64_MODIFIER (which |
723 | * on Win32 is the "I64" that the (msvcrt) C library's printf uses), |
724 | * but "ll" used to work with the "trio" g_printf implementation in |
725 | * GLib 2.2, so it's best if it continues to work. |
726 | */ |
727 | |
728 | /* However, gcc doesn't know about this, so we need to disable printf |
729 | * format warnings... |
730 | */ |
731 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) |
732 | _Pragma ("GCC diagnostic push" ) |
733 | _Pragma ("GCC diagnostic ignored \"-Wformat\"" ) |
734 | _Pragma ("GCC diagnostic ignored \"-Wformat-extra-args\"" ) |
735 | #endif |
736 | |
737 | res = g_snprintf (buf, 128, "%" "lli" , (gint64)123456); |
738 | g_assert_cmpint (res, ==, 6); |
739 | g_assert_cmpstr (buf, ==, "123456" ); |
740 | |
741 | res = g_snprintf (buf, 128, "%" "lli" , (gint64)-123456); |
742 | g_assert_cmpint (res, ==, 7); |
743 | g_assert_cmpstr (buf, ==, "-123456" ); |
744 | |
745 | res = g_snprintf (buf, 128, "%" "llu" , (guint64)123456); |
746 | g_assert_cmpint (res, ==, 6); |
747 | g_assert_cmpstr (buf, ==, "123456" ); |
748 | |
749 | res = g_snprintf (buf, 128, "%" "ll" "o" , (gint64)123456); |
750 | g_assert_cmpint (res, ==, 6); |
751 | g_assert_cmpstr (buf, ==, "361100" ); |
752 | |
753 | res = g_snprintf (buf, 128, "%#" "ll" "o" , (gint64)123456); |
754 | g_assert_cmpint (res, ==, 7); |
755 | g_assert_cmpstr (buf, ==, "0361100" ); |
756 | |
757 | res = g_snprintf (buf, 128, "%" "ll" "x" , (gint64)123456); |
758 | g_assert_cmpint (res, ==, 5); |
759 | g_assert_cmpstr (buf, ==, "1e240" ); |
760 | |
761 | res = g_snprintf (buf, 128, "%#" "ll" "x" , (gint64)123456); |
762 | g_assert_cmpint (res, ==, 7); |
763 | g_assert_cmpstr (buf, ==, "0x1e240" ); |
764 | |
765 | res = g_snprintf (buf, 128, "%" "ll" "X" , (gint64)123456); |
766 | g_assert_cmpint (res, ==, 5); |
767 | g_assert_cmpstr (buf, ==, "1E240" ); |
768 | |
769 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) |
770 | _Pragma ("GCC diagnostic pop" ) |
771 | #endif |
772 | |
773 | #endif |
774 | } |
775 | |
776 | static void |
777 | test_64bit2_base (void) |
778 | { |
779 | gint res; |
780 | |
781 | res = g_printf (format: "%" G_GINT64_FORMAT "\n" , (gint64)123456); |
782 | g_assert_cmpint (res, ==, 7); |
783 | |
784 | res = g_printf (format: "%" G_GINT64_FORMAT "\n" , (gint64)-123456); |
785 | g_assert_cmpint (res, ==, 8); |
786 | |
787 | res = g_printf (format: "%" G_GUINT64_FORMAT "\n" , (guint64)123456); |
788 | g_assert_cmpint (res, ==, 7); |
789 | |
790 | res = g_printf (format: "%" G_GINT64_MODIFIER "o\n" , (gint64)123456); |
791 | g_assert_cmpint (res, ==, 7); |
792 | |
793 | res = g_printf (format: "%#" G_GINT64_MODIFIER "o\n" , (gint64)123456); |
794 | g_assert_cmpint (res, ==, 8); |
795 | |
796 | res = g_printf (format: "%" G_GINT64_MODIFIER "x\n" , (gint64)123456); |
797 | g_assert_cmpint (res, ==, 6); |
798 | |
799 | res = g_printf (format: "%#" G_GINT64_MODIFIER "x\n" , (gint64)123456); |
800 | g_assert_cmpint (res, ==, 8); |
801 | |
802 | res = g_printf (format: "%" G_GINT64_MODIFIER "X\n" , (gint64)123456); |
803 | g_assert_cmpint (res, ==, 6); |
804 | } |
805 | |
806 | #ifdef G_OS_WIN32 |
807 | static void |
808 | test_64bit2_win32 (void) |
809 | { |
810 | gint res; |
811 | |
812 | /* On Win32, test that the "ll" modifier also works, for backward |
813 | * compatibility. One really should use the G_GINT64_MODIFIER (which |
814 | * on Win32 is the "I64" that the (msvcrt) C library's printf uses), |
815 | * but "ll" used to work with the "trio" g_printf implementation in |
816 | * GLib 2.2, so it's best if it continues to work. |
817 | */ |
818 | |
819 | /* However, gcc doesn't know about this, so we need to disable printf |
820 | * format warnings... |
821 | */ |
822 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) |
823 | _Pragma ("GCC diagnostic push" ) |
824 | _Pragma ("GCC diagnostic ignored \"-Wformat\"" ) |
825 | _Pragma ("GCC diagnostic ignored \"-Wformat-extra-args\"" ) |
826 | #endif |
827 | |
828 | res = g_printf ("%" "lli\n" , (gint64)123456); |
829 | g_assert_cmpint (res, ==, 7); |
830 | |
831 | res = g_printf ("%" "lli\n" , (gint64)-123456); |
832 | g_assert_cmpint (res, ==, 8); |
833 | |
834 | res = g_printf ("%" "llu\n" , (guint64)123456); |
835 | g_assert_cmpint (res, ==, 7); |
836 | |
837 | res = g_printf ("%" "ll" "o\n" , (gint64)123456); |
838 | g_assert_cmpint (res, ==, 7); |
839 | |
840 | res = g_printf ("%#" "ll" "o\n" , (gint64)123456); |
841 | g_assert_cmpint (res, ==, 8); |
842 | |
843 | res = g_printf ("%" "ll" "x\n" , (gint64)123456); |
844 | g_assert_cmpint (res, ==, 6); |
845 | |
846 | res = g_printf ("%#" "ll" "x\n" , (gint64)123456); |
847 | g_assert_cmpint (res, ==, 8); |
848 | |
849 | res = g_printf ("%" "ll" "X\n" , (gint64)123456); |
850 | g_assert_cmpint (res, ==, 6); |
851 | |
852 | #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) |
853 | _Pragma ("GCC diagnostic pop" ) |
854 | #endif |
855 | } |
856 | #endif |
857 | |
858 | static void |
859 | test_64bit2 (void) |
860 | { |
861 | g_test_trap_subprocess (test_path: "/printf/test-64bit/subprocess/base" , usec_timeout: 0, test_flags: 0); |
862 | g_test_trap_assert_passed (); |
863 | g_test_trap_assert_stdout ("123456\n-123456\n123456\n" |
864 | "361100\n0361100\n1e240\n" |
865 | "0x1e240\n1E240\n" ); |
866 | #ifdef G_OS_WIN32 |
867 | g_test_trap_subprocess ("/printf/test-64bit/subprocess/win32" , 0, 0); |
868 | g_test_trap_assert_passed (); |
869 | g_test_trap_assert_stdout ("123456\n-123456\n123456\n" |
870 | "361100\n0361100\n1e240\n" |
871 | "0x1e240\n1E240\n" ); |
872 | #endif |
873 | } |
874 | |
875 | G_GNUC_PRINTF(1, 2) |
876 | static gsize |
877 | upper_bound (const gchar *format, ...) |
878 | { |
879 | va_list args; |
880 | gsize res; |
881 | |
882 | va_start (args, format); |
883 | res = g_printf_string_upper_bound (format, args); |
884 | va_end (args); |
885 | |
886 | return res; |
887 | } |
888 | |
889 | static void |
890 | test_upper_bound (void) |
891 | { |
892 | gsize res; |
893 | |
894 | res = upper_bound (format: "bla %s %d: %g\n" , "bla" , 123, 0.123); |
895 | g_assert_cmpint (res, ==, 20); |
896 | } |
897 | |
898 | int |
899 | main (int argc, |
900 | char *argv[]) |
901 | { |
902 | #ifdef G_OS_WIN32 |
903 | /* Ensure binary mode for stdout, this way |
904 | * tests produce \n line endings on Windows instead of the |
905 | * default \r\n. |
906 | */ |
907 | _setmode (fileno (stdout), _O_BINARY); |
908 | #endif |
909 | g_test_init (argc: &argc, argv: &argv, NULL); |
910 | |
911 | g_test_add_func (testpath: "/snprintf/retval-and-trunc" , test_func: test_retval_and_trunc); |
912 | g_test_add_func (testpath: "/snprintf/%d" , test_func: test_d); |
913 | g_test_add_func (testpath: "/snprintf/%d-invalid" , test_func: test_d_invalid); |
914 | g_test_add_func (testpath: "/snprintf/%o" , test_func: test_o); |
915 | g_test_add_func (testpath: "/snprintf/%u" , test_func: test_u); |
916 | g_test_add_func (testpath: "/snprintf/%x" , test_func: test_x); |
917 | g_test_add_func (testpath: "/snprintf/%X" , test_func: test_X); |
918 | g_test_add_func (testpath: "/snprintf/%f" , test_func: test_f); |
919 | g_test_add_func (testpath: "/snprintf/%e" , test_func: test_e); |
920 | g_test_add_func (testpath: "/snprintf/%c" , test_func: test_c); |
921 | g_test_add_func (testpath: "/snprintf/%s" , test_func: test_s); |
922 | g_test_add_func (testpath: "/snprintf/%n" , test_func: test_n); |
923 | g_test_add_func (testpath: "/snprintf/test-percent" , test_func: test_percent); |
924 | g_test_add_func (testpath: "/snprintf/test-positional-params" , test_func: test_positional_params); |
925 | g_test_add_func (testpath: "/snprintf/test-64bit" , test_func: test_64bit); |
926 | |
927 | g_test_add_func (testpath: "/printf/test-percent" , test_func: test_percent2); |
928 | g_test_add_func (testpath: "/printf/test-positional-params" , test_func: test_positional_params2); |
929 | g_test_add_func (testpath: "/printf/test-64bit" , test_func: test_64bit2); |
930 | g_test_add_func (testpath: "/printf/test-64bit/subprocess/base" , test_func: test_64bit2_base); |
931 | #ifdef G_OS_WIN32 |
932 | g_test_add_func ("/printf/test-64bit/subprocess/win32" , test_64bit2_win32); |
933 | #endif |
934 | |
935 | g_test_add_func (testpath: "/sprintf/test-positional-params" , test_func: test_positional_params3); |
936 | g_test_add_func (testpath: "/sprintf/upper-bound" , test_func: test_upper_bound); |
937 | |
938 | return g_test_run(); |
939 | } |
940 | |