1 /* Unit tests for gstring
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 /* We are testing some deprecated APIs here */
23 #ifndef GLIB_DISABLE_DEPRECATION_WARNINGS
24 #define GLIB_DISABLE_DEPRECATION_WARNINGS
25 #endif
26
27 #include <stdio.h>
28 #include <string.h>
29 #include "glib.h"
30
31
32 static void
test_string_chunks(void)33 test_string_chunks (void)
34 {
35 GStringChunk *string_chunk;
36 gchar *tmp_string, *tmp_string_2;
37 gint i;
38
39 string_chunk = g_string_chunk_new (1024);
40
41 for (i = 0; i < 100000; i ++)
42 {
43 tmp_string = g_string_chunk_insert (string_chunk, "hi pete");
44 g_assert_cmpstr ("hi pete", ==, tmp_string);
45 }
46
47 tmp_string_2 = g_string_chunk_insert_const (string_chunk, tmp_string);
48 g_assert (tmp_string_2 != tmp_string);
49 g_assert_cmpstr (tmp_string_2, ==, tmp_string);
50
51 tmp_string = g_string_chunk_insert_const (string_chunk, tmp_string);
52 g_assert_cmpstr (tmp_string_2, ==, tmp_string);
53
54 g_string_chunk_clear (string_chunk);
55 g_string_chunk_free (string_chunk);
56 }
57
58 static void
test_string_chunk_insert(void)59 test_string_chunk_insert (void)
60 {
61 const gchar s0[] = "Testing GStringChunk";
62 const gchar s1[] = "a\0b\0c\0d\0";
63 const gchar s2[] = "Hello, world";
64 GStringChunk *chunk;
65 gchar *str[3];
66
67 chunk = g_string_chunk_new (512);
68
69 str[0] = g_string_chunk_insert (chunk, s0);
70 str[1] = g_string_chunk_insert_len (chunk, s1, 8);
71 str[2] = g_string_chunk_insert (chunk, s2);
72
73 g_assert (memcmp (s0, str[0], sizeof s0) == 0);
74 g_assert (memcmp (s1, str[1], sizeof s1) == 0);
75 g_assert (memcmp (s2, str[2], sizeof s2) == 0);
76
77 g_string_chunk_free (chunk);
78 }
79
80 static void
test_string_new(void)81 test_string_new (void)
82 {
83 GString *string1, *string2;
84
85 string1 = g_string_new ("hi pete!");
86 string2 = g_string_new (NULL);
87
88 g_assert (string1 != NULL);
89 g_assert (string2 != NULL);
90 g_assert (strlen (string1->str) == string1->len);
91 g_assert (strlen (string2->str) == string2->len);
92 g_assert (string2->len == 0);
93 g_assert_cmpstr ("hi pete!", ==, string1->str);
94 g_assert_cmpstr ("", ==, string2->str);
95
96 g_string_free (string1, TRUE);
97 g_string_free (string2, TRUE);
98
99 string1 = g_string_new_len ("foo", -1);
100 string2 = g_string_new_len ("foobar", 3);
101
102 g_assert_cmpstr (string1->str, ==, "foo");
103 g_assert_cmpint (string1->len, ==, 3);
104 g_assert_cmpstr (string2->str, ==, "foo");
105 g_assert_cmpint (string2->len, ==, 3);
106
107 g_string_free (string1, TRUE);
108 g_string_free (string2, TRUE);
109 }
110
111 G_GNUC_PRINTF(2, 3)
112 static void
my_string_printf(GString * string,const gchar * format,...)113 my_string_printf (GString *string,
114 const gchar *format,
115 ...)
116 {
117 va_list args;
118
119 va_start (args, format);
120 g_string_vprintf (string, format, args);
121 va_end (args);
122 }
123
124 static void
test_string_printf(void)125 test_string_printf (void)
126 {
127 GString *string;
128
129 string = g_string_new (NULL);
130
131 #ifndef G_OS_WIN32
132 /* MSVC and mingw32 use the same run-time C library, which doesn't like
133 the %10000.10000f format... */
134 g_string_printf (string, "%s|%0100d|%s|%0*d|%*.*f|%10000.10000f",
135 "this pete guy sure is a wuss, like he's the number ",
136 1,
137 " wuss. everyone agrees.\n",
138 10, 666, 15, 15, 666.666666666, 666.666666666);
139 #else
140 g_string_printf (string, "%s|%0100d|%s|%0*d|%*.*f|%100.100f",
141 "this pete guy sure is a wuss, like he's the number ",
142 1,
143 " wuss. everyone agrees.\n",
144 10, 666, 15, 15, 666.666666666, 666.666666666);
145 #endif
146
147 g_string_free (string, TRUE);
148
149 string = g_string_new (NULL);
150 g_string_printf (string, "bla %s %d", "foo", 99);
151 g_assert_cmpstr (string->str, ==, "bla foo 99");
152 my_string_printf (string, "%d,%s,%d", 1, "two", 3);
153 g_assert_cmpstr (string->str, ==, "1,two,3");
154
155 g_string_free (string, TRUE);
156 }
157
158 static void
test_string_assign(void)159 test_string_assign (void)
160 {
161 GString *string;
162
163 string = g_string_new (NULL);
164 g_string_assign (string, "boring text");
165 g_assert_cmpstr (string->str, ==, "boring text");
166 g_string_free (string, TRUE);
167
168 /* assign with string overlap */
169 string = g_string_new ("textbeforetextafter");
170 g_string_assign (string, string->str + 10);
171 g_assert_cmpstr (string->str, ==, "textafter");
172 g_string_free (string, TRUE);
173
174 string = g_string_new ("boring text");
175 g_string_assign (string, string->str);
176 g_assert_cmpstr (string->str, ==, "boring text");
177 g_string_free (string, TRUE);
178 }
179
180 static void
test_string_append_c(void)181 test_string_append_c (void)
182 {
183 GString *string;
184 gint i;
185
186 string = g_string_new ("hi pete!");
187
188 for (i = 0; i < 10000; i++)
189 if (i % 2)
190 g_string_append_c (string, 'a'+(i%26));
191 else
192 (g_string_append_c) (string, 'a'+(i%26));
193
194 g_assert((strlen("hi pete!") + 10000) == string->len);
195 g_assert((strlen("hi pete!") + 10000) == strlen(string->str));
196
197 g_string_free (string, TRUE);
198 }
199
200 static void
test_string_append(void)201 test_string_append (void)
202 {
203 GString *string;
204
205 /* append */
206 string = g_string_new ("firsthalf");
207 g_string_append (string, "lasthalf");
208 g_assert_cmpstr (string->str, ==, "firsthalflasthalf");
209 g_string_free (string, TRUE);
210
211 /* append_len */
212 string = g_string_new ("firsthalf");
213 g_string_append_len (string, "lasthalfjunkjunk", strlen ("lasthalf"));
214 g_assert_cmpstr (string->str, ==, "firsthalflasthalf");
215 g_string_free (string, TRUE);
216 }
217
218 static void
test_string_prepend_c(void)219 test_string_prepend_c (void)
220 {
221 GString *string;
222 gint i;
223
224 string = g_string_new ("hi pete!");
225
226 for (i = 0; i < 10000; i++)
227 g_string_prepend_c (string, 'a'+(i%26));
228
229 g_assert((strlen("hi pete!") + 10000) == string->len);
230 g_assert((strlen("hi pete!") + 10000) == strlen(string->str));
231
232 g_string_free (string, TRUE);
233 }
234
235 static void
test_string_prepend(void)236 test_string_prepend (void)
237 {
238 GString *string;
239
240 /* prepend */
241 string = g_string_new ("lasthalf");
242 g_string_prepend (string, "firsthalf");
243 g_assert_cmpstr (string->str, ==, "firsthalflasthalf");
244 g_string_free (string, TRUE);
245
246 /* prepend_len */
247 string = g_string_new ("lasthalf");
248 g_string_prepend_len (string, "firsthalfjunkjunk", strlen ("firsthalf"));
249 g_assert_cmpstr (string->str, ==, "firsthalflasthalf");
250 g_string_free (string, TRUE);
251 }
252
253 static void
test_string_insert(void)254 test_string_insert (void)
255 {
256 GString *string;
257
258 /* insert */
259 string = g_string_new ("firstlast");
260 g_string_insert (string, 5, "middle");
261 g_assert_cmpstr (string->str, ==, "firstmiddlelast");
262 g_string_free (string, TRUE);
263
264 /* insert with pos == end of the string */
265 string = g_string_new ("firstmiddle");
266 g_string_insert (string, strlen ("firstmiddle"), "last");
267 g_assert_cmpstr (string->str, ==, "firstmiddlelast");
268 g_string_free (string, TRUE);
269
270 /* insert_len */
271 string = g_string_new ("firstlast");
272 g_string_insert_len (string, 5, "middlejunkjunk", strlen ("middle"));
273 g_assert_cmpstr (string->str, ==, "firstmiddlelast");
274 g_string_free (string, TRUE);
275
276 /* insert_len with magic -1 pos for append */
277 string = g_string_new ("first");
278 g_string_insert_len (string, -1, "lastjunkjunk", strlen ("last"));
279 g_assert_cmpstr (string->str, ==, "firstlast");
280 g_string_free (string, TRUE);
281
282 /* insert_len with magic -1 len for strlen-the-string */
283 string = g_string_new ("first");
284 g_string_insert_len (string, 5, "last", -1);
285 g_assert_cmpstr (string->str, ==, "firstlast");
286 g_string_free (string, TRUE);
287
288 /* insert_len with string overlap */
289 string = g_string_new ("textbeforetextafter");
290 g_string_insert_len (string, 10, string->str + 8, 5);
291 g_assert_cmpstr (string->str, ==, "textbeforeretextextafter");
292 g_string_free (string, TRUE);
293 }
294
295 static void
test_string_insert_unichar(void)296 test_string_insert_unichar (void)
297 {
298 GString *string;
299
300 /* insert_unichar with insertion in middle */
301 string = g_string_new ("firsthalf");
302 g_string_insert_unichar (string, 5, 0x0041);
303 g_assert_cmpstr (string->str, ==, "first\x41half");
304 g_string_free (string, TRUE);
305
306 string = g_string_new ("firsthalf");
307 g_string_insert_unichar (string, 5, 0x0298);
308 g_assert_cmpstr (string->str, ==, "first\xCA\x98half");
309 g_string_free (string, TRUE);
310
311 string = g_string_new ("firsthalf");
312 g_string_insert_unichar (string, 5, 0xFFFD);
313 g_assert_cmpstr (string->str, ==, "first\xEF\xBF\xBDhalf");
314 g_string_free (string, TRUE);
315
316 string = g_string_new ("firsthalf");
317 g_string_insert_unichar (string, 5, 0x1D100);
318 g_assert_cmpstr (string->str, ==, "first\xF0\x9D\x84\x80half");
319 g_string_free (string, TRUE);
320
321 /* insert_unichar with insertion at end */
322 string = g_string_new ("start");
323 g_string_insert_unichar (string, -1, 0x0041);
324 g_assert_cmpstr (string->str, ==, "start\x41");
325 g_string_free (string, TRUE);
326
327 string = g_string_new ("start");
328 g_string_insert_unichar (string, -1, 0x0298);
329 g_assert_cmpstr (string->str, ==, "start\xCA\x98");
330 g_string_free (string, TRUE);
331
332 string = g_string_new ("start");
333 g_string_insert_unichar (string, -1, 0xFFFD);
334 g_assert_cmpstr (string->str, ==, "start\xEF\xBF\xBD");
335 g_string_free (string, TRUE);
336
337 string = g_string_new ("start");
338 g_string_insert_unichar (string, -1, 0x1D100);
339 g_assert_cmpstr (string->str, ==, "start\xF0\x9D\x84\x80");
340 g_string_free (string, TRUE);
341 }
342
343 static void
test_string_equal(void)344 test_string_equal (void)
345 {
346 GString *string1, *string2;
347
348 string1 = g_string_new ("test");
349 string2 = g_string_new ("te");
350 g_assert (!g_string_equal(string1, string2));
351 g_string_append (string2, "st");
352 g_assert (g_string_equal(string1, string2));
353 g_string_free (string1, TRUE);
354 g_string_free (string2, TRUE);
355 }
356
357 static void
test_string_truncate(void)358 test_string_truncate (void)
359 {
360 GString *string;
361
362 string = g_string_new ("testing");
363
364 g_string_truncate (string, 1000);
365 g_assert (string->len == strlen("testing"));
366 g_assert_cmpstr (string->str, ==, "testing");
367
368 g_string_truncate (string, 4);
369 g_assert (string->len == 4);
370 g_assert_cmpstr (string->str, ==, "test");
371
372 g_string_truncate (string, 0);
373 g_assert (string->len == 0);
374 g_assert_cmpstr (string->str, ==, "");
375
376 g_string_free (string, TRUE);
377 }
378
379 static void
test_string_overwrite(void)380 test_string_overwrite (void)
381 {
382 GString *string;
383
384 /* overwriting functions */
385 string = g_string_new ("testing");
386
387 g_string_overwrite (string, 4, " and expand");
388 g_assert (15 == string->len);
389 g_assert ('\0' == string->str[15]);
390 g_assert (g_str_equal ("test and expand", string->str));
391
392 g_string_overwrite (string, 5, "NOT-");
393 g_assert (15 == string->len);
394 g_assert ('\0' == string->str[15]);
395 g_assert (g_str_equal ("test NOT-expand", string->str));
396
397 g_string_overwrite_len (string, 9, "blablabla", 6);
398 g_assert (15 == string->len);
399 g_assert ('\0' == string->str[15]);
400 g_assert (g_str_equal ("test NOT-blabla", string->str));
401
402 g_string_overwrite_len (string, 4, "BLABL", 0);
403 g_assert (g_str_equal ("test NOT-blabla", string->str));
404 g_string_overwrite_len (string, 4, "BLABL", -1);
405 g_assert (g_str_equal ("testBLABLblabla", string->str));
406
407 g_string_free (string, TRUE);
408 }
409
410 static void
test_string_nul_handling(void)411 test_string_nul_handling (void)
412 {
413 GString *string1, *string2;
414
415 /* Check handling of embedded ASCII 0 (NUL) characters in GString. */
416 string1 = g_string_new ("fiddle");
417 string2 = g_string_new ("fiddle");
418 g_assert (g_string_equal (string1, string2));
419 g_string_append_c (string1, '\0');
420 g_assert (!g_string_equal (string1, string2));
421 g_string_append_c (string2, '\0');
422 g_assert (g_string_equal (string1, string2));
423 g_string_append_c (string1, 'x');
424 g_string_append_c (string2, 'y');
425 g_assert (!g_string_equal (string1, string2));
426 g_assert (string1->len == 8);
427 g_string_append (string1, "yzzy");
428 g_assert_cmpmem (string1->str, string1->len + 1, "fiddle\0xyzzy", 13);
429 g_string_insert (string1, 1, "QED");
430 g_assert_cmpmem (string1->str, string1->len + 1, "fQEDiddle\0xyzzy", 16);
431 g_string_printf (string1, "fiddle%cxyzzy", '\0');
432 g_assert_cmpmem (string1->str, string1->len + 1, "fiddle\0xyzzy", 13);
433
434 g_string_free (string1, TRUE);
435 g_string_free (string2, TRUE);
436 }
437
438 static void
test_string_up_down(void)439 test_string_up_down (void)
440 {
441 GString *s;
442
443 s = g_string_new ("Mixed Case String !?");
444 g_string_ascii_down (s);
445 g_assert_cmpstr (s->str, ==, "mixed case string !?");
446
447 g_string_assign (s, "Mixed Case String !?");
448 g_string_down (s);
449 g_assert_cmpstr (s->str, ==, "mixed case string !?");
450
451 g_string_assign (s, "Mixed Case String !?");
452 g_string_ascii_up (s);
453 g_assert_cmpstr (s->str, ==, "MIXED CASE STRING !?");
454
455 g_string_assign (s, "Mixed Case String !?");
456 g_string_up (s);
457 g_assert_cmpstr (s->str, ==, "MIXED CASE STRING !?");
458
459 g_string_free (s, TRUE);
460 }
461
462 static void
test_string_set_size(void)463 test_string_set_size (void)
464 {
465 GString *s;
466
467 s = g_string_new ("foo");
468 g_string_set_size (s, 30);
469
470 g_assert_cmpstr (s->str, ==, "foo");
471 g_assert_cmpint (s->len, ==, 30);
472
473 g_string_free (s, TRUE);
474 }
475
476 static void
test_string_to_bytes(void)477 test_string_to_bytes (void)
478 {
479 GString *s;
480 GBytes *bytes;
481 gconstpointer byte_data;
482 gsize byte_len;
483
484 s = g_string_new ("foo");
485 g_string_append (s, "-bar");
486
487 bytes = g_string_free_to_bytes (s);
488
489 byte_data = g_bytes_get_data (bytes, &byte_len);
490
491 g_assert_cmpint (byte_len, ==, 7);
492
493 g_assert_cmpmem (byte_data, byte_len, "foo-bar", 7);
494
495 g_bytes_unref (bytes);
496 }
497
498 static void
test_string_replace(void)499 test_string_replace (void)
500 {
501 static const struct
502 {
503 const char *string;
504 const char *original;
505 const char *replacement;
506 guint limit;
507 const char *expected;
508 guint expected_n;
509 }
510 tests[] =
511 {
512 { "foo bar foo baz foo bar foobarbaz", "bar", "baz", 0,
513 "foo baz foo baz foo baz foobazbaz", 3 },
514 { "foo baz foo baz foo baz foobazbaz", "baz", "bar", 3,
515 "foo bar foo bar foo bar foobazbaz", 3 },
516 { "foo bar foo bar foo bar foobazbaz", "foobar", "bar", 1,
517 "foo bar foo bar foo bar foobazbaz", 0 },
518 { "aaaaaaaa", "a", "abcdefghijkl", 0,
519 "abcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijkl",
520 8 },
521 { "/usr/$LIB/libMangoHud.so", "$LIB", "lib32", 0,
522 "/usr/lib32/libMangoHud.so", 1 },
523 { "food for foals", "o", "", 0,
524 "fd fr fals", 4 },
525 { "aaa", "a", "aaa", 0,
526 "aaaaaaaaa", 3 },
527 { "aaa", "a", "", 0,
528 "", 3 },
529 { "aaa", "aa", "bb", 0,
530 "bba", 1 },
531 { "foo", "", "bar", 0,
532 "barfbarobarobar", 4 },
533 { "", "", "x", 0,
534 "x", 1 },
535 { "", "", "", 0,
536 "", 1 },
537 };
538 gsize i;
539
540 for (i = 0; i < G_N_ELEMENTS (tests); i++)
541 {
542 GString *s;
543 guint n;
544
545 s = g_string_new (tests[i].string);
546 g_test_message ("%" G_GSIZE_FORMAT ": Replacing \"%s\" with \"%s\" (limit %u) in \"%s\"",
547 i, tests[i].original, tests[i].replacement,
548 tests[i].limit, tests[i].string);
549 n = g_string_replace (s, tests[i].original, tests[i].replacement,
550 tests[i].limit);
551 g_test_message ("-> %u replacements, \"%s\"",
552 n, s->str);
553 g_assert_cmpstr (tests[i].expected, ==, s->str);
554 g_assert_cmpuint (strlen (tests[i].expected), ==, s->len);
555 g_assert_cmpuint (strlen (tests[i].expected) + 1, <=, s->allocated_len);
556 g_assert_cmpuint (tests[i].expected_n, ==, n);
557 g_string_free (s, TRUE);
558 }
559 }
560
561 int
main(int argc,char * argv[])562 main (int argc,
563 char *argv[])
564 {
565 g_test_init (&argc, &argv, NULL);
566
567 g_test_add_func ("/string/test-string-chunks", test_string_chunks);
568 g_test_add_func ("/string/test-string-chunk-insert", test_string_chunk_insert);
569 g_test_add_func ("/string/test-string-new", test_string_new);
570 g_test_add_func ("/string/test-string-printf", test_string_printf);
571 g_test_add_func ("/string/test-string-assign", test_string_assign);
572 g_test_add_func ("/string/test-string-append-c", test_string_append_c);
573 g_test_add_func ("/string/test-string-append", test_string_append);
574 g_test_add_func ("/string/test-string-prepend-c", test_string_prepend_c);
575 g_test_add_func ("/string/test-string-prepend", test_string_prepend);
576 g_test_add_func ("/string/test-string-insert", test_string_insert);
577 g_test_add_func ("/string/test-string-insert-unichar", test_string_insert_unichar);
578 g_test_add_func ("/string/test-string-equal", test_string_equal);
579 g_test_add_func ("/string/test-string-truncate", test_string_truncate);
580 g_test_add_func ("/string/test-string-overwrite", test_string_overwrite);
581 g_test_add_func ("/string/test-string-nul-handling", test_string_nul_handling);
582 g_test_add_func ("/string/test-string-up-down", test_string_up_down);
583 g_test_add_func ("/string/test-string-set-size", test_string_set_size);
584 g_test_add_func ("/string/test-string-to-bytes", test_string_to_bytes);
585 g_test_add_func ("/string/test-string-replace", test_string_replace);
586
587 return g_test_run();
588 }
589