glib/tests/string.c

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