glib/tests/array-test.c

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library 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 GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GLib Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #undef G_DISABLE_ASSERT
  26 #undef G_LOG_DOMAIN
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include "glib.h"
  32
  33 static void
  34 sum_up (gpointer data,
  35         gpointer user_data)
  36 {
  37   gint *sum = (gint *)user_data;
  38
  39   *sum += GPOINTER_TO_INT (data);
  40 }
  41
  42 static void
  43 array_append (void)
  44 {
  45   GArray *garray;
  46   gint i;
  47   gint *segment;
  48
  49   garray = g_array_new (FALSE, FALSE, sizeof (gint));
  50   for (i = 0; i < 10000; i++)
  51     g_array_append_val (garray, i);
  52
  53   for (i = 0; i < 10000; i++)
  54     g_assert_cmpint (g_array_index (garray, gint, i), ==, i);
  55
  56   segment = (gint*)g_array_free (garray, FALSE);
  57   for (i = 0; i < 10000; i++)
  58     g_assert_cmpint (segment[i], ==, i);
  59   g_free (segment);
  60 }
  61
  62 static void
  63 array_prepend (void)
  64 {
  65   GArray *garray;
  66   gint i;
  67
  68   garray = g_array_new (FALSE, FALSE, sizeof (gint));
  69   for (i = 0; i < 100; i++)
  70     g_array_prepend_val (garray, i);
  71
  72   for (i = 0; i < 100; i++)
  73     g_assert_cmpint (g_array_index (garray, gint, i), ==, (100 - i - 1));
  74
  75   g_array_free (garray, TRUE);
  76 }
  77
  78 static void
  79 array_remove (void)
  80 {
  81   GArray *garray;
  82   gint i;
  83   gint prev, cur;
  84
  85   garray = g_array_new (FALSE, FALSE, sizeof (gint));
  86   for (i = 0; i < 100; i++)
  87     g_array_append_val (garray, i);
  88
  89   g_assert_cmpint (garray->len, ==, 100);
  90
  91   g_array_remove_index (garray, 1);
  92   g_array_remove_index (garray, 3);
  93   g_array_remove_index (garray, 21);
  94   g_array_remove_index (garray, 57);
  95
  96   g_assert_cmpint (garray->len, ==, 96);
  97
  98   prev = -1;
  99   for (i = 0; i < garray->len; i++)
 100     {
 101       cur = g_array_index (garray, gint, i);
 102       g_assert (cur != 1 &&  cur != 4 && cur != 23 && cur != 60);
 103       g_assert_cmpint (prev, <, cur);
 104       prev = cur;
 105     }
 106
 107   g_array_free (garray, TRUE);
 108 }
 109
 110 static void
 111 array_remove_fast (void)
 112 {
 113   GArray *garray;
 114   gint i;
 115   gint prev, cur;
 116
 117   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 118   for (i = 0; i < 100; i++)
 119     g_array_append_val (garray, i);
 120
 121   g_assert_cmpint (garray->len, ==, 100);
 122
 123   g_array_remove_index_fast (garray, 1);
 124   g_array_remove_index_fast (garray, 3);
 125   g_array_remove_index_fast (garray, 21);
 126   g_array_remove_index_fast (garray, 57);
 127
 128   g_assert_cmpint (garray->len, ==, 96);
 129
 130   prev = -1;
 131   for (i = 0; i < garray->len; i++)
 132     {
 133       cur = g_array_index (garray, gint, i);
 134       g_assert (cur != 1 &&  cur != 3 && cur != 21 && cur != 57);
 135       if (cur < 96)
 136         {
 137           g_assert_cmpint (prev, <, cur);
 138           prev = cur;
 139         }
 140     }
 141
 142   g_array_free (garray, TRUE);
 143 }
 144
 145 static void
 146 array_remove_range (void)
 147 {
 148   GArray *garray;
 149   gint i;
 150   gint prev, cur;
 151
 152   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 153   for (i = 0; i < 100; i++)
 154     g_array_append_val (garray, i);
 155
 156   g_assert_cmpint (garray->len, ==, 100);
 157
 158   g_array_remove_range (garray, 31, 4);
 159
 160   g_assert_cmpint (garray->len, ==, 96);
 161
 162   prev = -1;
 163   for (i = 0; i < garray->len; i++)
 164     {
 165       cur = g_array_index (garray, gint, i);
 166       g_assert (cur < 31 || cur > 34);
 167       g_assert_cmpint (prev, <, cur);
 168       prev = cur;
 169     }
 170
 171   /* Ensure the entire array can be cleared, even when empty. */
 172   g_array_remove_range (garray, 0, garray->len);
 173   g_array_remove_range (garray, 0, garray->len);
 174
 175   g_array_free (garray, TRUE);
 176 }
 177
 178 static void
 179 array_ref_count (void)
 180 {
 181   GArray *garray;
 182   GArray *garray2;
 183   gint i;
 184
 185   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 186   g_assert_cmpint (g_array_get_element_size (garray), ==, sizeof (gint));
 187   for (i = 0; i < 100; i++)
 188     g_array_prepend_val (garray, i);
 189
 190   /* check we can ref, unref and still access the array */
 191   garray2 = g_array_ref (garray);
 192   g_assert (garray == garray2);
 193   g_array_unref (garray2);
 194   for (i = 0; i < 100; i++)
 195     g_assert_cmpint (g_array_index (garray, gint, i), ==, (100 - i - 1));
 196
 197   /* garray2 should be an empty valid GArray wrapper */
 198   garray2 = g_array_ref (garray);
 199   g_array_free (garray, TRUE);
 200
 201   g_assert_cmpint (garray2->len, ==, 0);
 202   g_array_unref (garray2);
 203 }
 204
 205 static int
 206 int_compare (gconstpointer p1, gconstpointer p2)
 207 {
 208   const gint *i1 = p1;
 209   const gint *i2 = p2;
 210
 211   return *i1 - *i2;
 212 }
 213
 214 static int
 215 int_compare_data (gconstpointer p1, gconstpointer p2, gpointer data)
 216 {
 217   const gint *i1 = p1;
 218   const gint *i2 = p2;
 219
 220   return *i1 - *i2;
 221 }
 222 static void
 223 array_sort (void)
 224 {
 225   GArray *garray;
 226   gint i;
 227   gint prev, cur;
 228
 229   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 230   for (i = 0; i < 10000; i++)
 231     {
 232       cur = g_random_int_range (0, 10000);
 233       g_array_append_val (garray, cur);
 234     }
 235   g_array_sort (garray,  int_compare);
 236
 237   prev = -1;
 238   for (i = 0; i < garray->len; i++)
 239     {
 240       cur = g_array_index (garray, gint, i);
 241       g_assert_cmpint (prev, <=, cur);
 242       prev = cur;
 243     }
 244
 245   g_array_free (garray, TRUE);
 246 }
 247
 248 static void
 249 array_sort_with_data (void)
 250 {
 251   GArray *garray;
 252   gint i;
 253   gint prev, cur;
 254
 255   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 256   for (i = 0; i < 10000; i++)
 257     {
 258       cur = g_random_int_range (0, 10000);
 259       g_array_append_val (garray, cur);
 260     }
 261   g_array_sort_with_data (garray, int_compare_data, NULL);
 262
 263   prev = -1;
 264   for (i = 0; i < garray->len; i++)
 265     {
 266       cur = g_array_index (garray, gint, i);
 267       g_assert_cmpint (prev, <=, cur);
 268       prev = cur;
 269     }
 270
 271   g_array_free (garray, TRUE);
 272 }
 273
 274 static gint num_clear_func_invocations = 0;
 275
 276 static void
 277 my_clear_func (gpointer data)
 278 {
 279   num_clear_func_invocations += 1;
 280 }
 281
 282 static void
 283 array_clear_func (void)
 284 {
 285   GArray *garray;
 286   gint i;
 287   gint cur;
 288
 289   garray = g_array_new (FALSE, FALSE, sizeof (gint));
 290   g_array_set_clear_func (garray, my_clear_func);
 291
 292   for (i = 0; i < 10; i++)
 293     {
 294       cur = g_random_int_range (0, 100);
 295       g_array_append_val (garray, cur);
 296     }
 297
 298   g_array_remove_index (garray, 9);
 299   g_assert_cmpint (num_clear_func_invocations, ==, 1);
 300
 301   g_array_remove_range (garray, 5, 3);
 302   g_assert_cmpint (num_clear_func_invocations, ==, 4);
 303
 304   g_array_remove_index_fast (garray, 4);
 305   g_assert_cmpint (num_clear_func_invocations, ==, 5);
 306
 307   g_array_free (garray, TRUE);
 308   g_assert_cmpint (num_clear_func_invocations, ==, 10);
 309 }
 310
 311 static void
 312 pointer_array_add (void)
 313 {
 314   GPtrArray *gparray;
 315   gint i;
 316   gint sum = 0;
 317   gpointer *segment;
 318
 319   gparray = g_ptr_array_sized_new (1000);
 320
 321   for (i = 0; i < 10000; i++)
 322     g_ptr_array_add (gparray, GINT_TO_POINTER (i));
 323
 324   for (i = 0; i < 10000; i++)
 325     g_assert (g_ptr_array_index (gparray, i) == GINT_TO_POINTER (i));
 326
 327   g_ptr_array_foreach (gparray, sum_up, &sum);
 328   g_assert (sum == 49995000);
 329
 330   segment = g_ptr_array_free (gparray, FALSE);
 331   for (i = 0; i < 10000; i++)
 332     g_assert (segment[i] == GINT_TO_POINTER (i));
 333   g_free (segment);
 334 }
 335
 336 static void
 337 pointer_array_insert (void)
 338 {
 339   GPtrArray *gparray;
 340   gint i;
 341   gint sum = 0;
 342   gint index;
 343
 344   gparray = g_ptr_array_sized_new (1000);
 345
 346   for (i = 0; i < 10000; i++)
 347     {
 348       index = g_random_int_range (-1, i + 1);
 349       g_ptr_array_insert (gparray, index, GINT_TO_POINTER (i));
 350     }
 351
 352   g_ptr_array_foreach (gparray, sum_up, &sum);
 353   g_assert (sum == 49995000);
 354
 355   g_ptr_array_free (gparray, TRUE);
 356 }
 357
 358 static void
 359 pointer_array_ref_count (void)
 360 {
 361   GPtrArray *gparray;
 362   GPtrArray *gparray2;
 363   gint i;
 364   gint sum = 0;
 365
 366   gparray = g_ptr_array_new ();
 367   for (i = 0; i < 10000; i++)
 368     g_ptr_array_add (gparray, GINT_TO_POINTER (i));
 369
 370   /* check we can ref, unref and still access the array */
 371   gparray2 = g_ptr_array_ref (gparray);
 372   g_assert (gparray == gparray2);
 373   g_ptr_array_unref (gparray2);
 374   for (i = 0; i < 10000; i++)
 375     g_assert (g_ptr_array_index (gparray, i) == GINT_TO_POINTER (i));
 376
 377   g_ptr_array_foreach (gparray, sum_up, &sum);
 378   g_assert (sum == 49995000);
 379
 380   /* gparray2 should be an empty valid GPtrArray wrapper */
 381   gparray2 = g_ptr_array_ref (gparray);
 382   g_ptr_array_free (gparray, TRUE);
 383
 384   g_assert_cmpint (gparray2->len, ==, 0);
 385   g_ptr_array_unref (gparray2);
 386 }
 387
 388 static gint num_free_func_invocations = 0;
 389
 390 static void
 391 my_free_func (gpointer data)
 392 {
 393   num_free_func_invocations++;
 394   g_free (data);
 395 }
 396
 397 static void
 398 pointer_array_free_func (void)
 399 {
 400   GPtrArray *gparray;
 401   GPtrArray *gparray2;
 402   gchar **strv;
 403   gchar *s;
 404
 405   num_free_func_invocations = 0;
 406   gparray = g_ptr_array_new_with_free_func (my_free_func);
 407   g_ptr_array_unref (gparray);
 408   g_assert_cmpint (num_free_func_invocations, ==, 0);
 409
 410   gparray = g_ptr_array_new_with_free_func (my_free_func);
 411   g_ptr_array_free (gparray, TRUE);
 412   g_assert_cmpint (num_free_func_invocations, ==, 0);
 413
 414   num_free_func_invocations = 0;
 415   gparray = g_ptr_array_new_with_free_func (my_free_func);
 416   g_ptr_array_add (gparray, g_strdup ("foo"));
 417   g_ptr_array_add (gparray, g_strdup ("bar"));
 418   g_ptr_array_add (gparray, g_strdup ("baz"));
 419   g_ptr_array_remove_index (gparray, 0);
 420   g_assert_cmpint (num_free_func_invocations, ==, 1);
 421   g_ptr_array_remove_index_fast (gparray, 1);
 422   g_assert_cmpint (num_free_func_invocations, ==, 2);
 423   s = g_strdup ("frob");
 424   g_ptr_array_add (gparray, s);
 425   g_assert (g_ptr_array_remove (gparray, s));
 426   g_assert (!g_ptr_array_remove (gparray, "nuun"));
 427   g_assert (!g_ptr_array_remove_fast (gparray, "mlo"));
 428   g_assert_cmpint (num_free_func_invocations, ==, 3);
 429   s = g_strdup ("frob");
 430   g_ptr_array_add (gparray, s);
 431   g_ptr_array_set_size (gparray, 1);
 432   g_assert_cmpint (num_free_func_invocations, ==, 4);
 433   g_ptr_array_ref (gparray);
 434   g_ptr_array_unref (gparray);
 435   g_assert_cmpint (num_free_func_invocations, ==, 4);
 436   g_ptr_array_unref (gparray);
 437   g_assert_cmpint (num_free_func_invocations, ==, 5);
 438
 439   num_free_func_invocations = 0;
 440   gparray = g_ptr_array_new_full (10, my_free_func);
 441   g_ptr_array_add (gparray, g_strdup ("foo"));
 442   g_ptr_array_add (gparray, g_strdup ("bar"));
 443   g_ptr_array_add (gparray, g_strdup ("baz"));
 444   g_ptr_array_set_size (gparray, 20);
 445   g_ptr_array_add (gparray, NULL);
 446   gparray2 = g_ptr_array_ref (gparray);
 447   strv = (gchar **) g_ptr_array_free (gparray, FALSE);
 448   g_assert_cmpint (num_free_func_invocations, ==, 0);
 449   g_strfreev (strv);
 450   g_ptr_array_unref (gparray2);
 451   g_assert_cmpint (num_free_func_invocations, ==, 0);
 452
 453   num_free_func_invocations = 0;
 454   gparray = g_ptr_array_new_with_free_func (my_free_func);
 455   g_ptr_array_add (gparray, g_strdup ("foo"));
 456   g_ptr_array_add (gparray, g_strdup ("bar"));
 457   g_ptr_array_add (gparray, g_strdup ("baz"));
 458   g_ptr_array_remove_range (gparray, 1, 1);
 459   g_ptr_array_unref (gparray);
 460   g_assert_cmpint (num_free_func_invocations, ==, 3);
 461
 462   num_free_func_invocations = 0;
 463   gparray = g_ptr_array_new_with_free_func (my_free_func);
 464   g_ptr_array_add (gparray, g_strdup ("foo"));
 465   g_ptr_array_add (gparray, g_strdup ("bar"));
 466   g_ptr_array_add (gparray, g_strdup ("baz"));
 467   g_ptr_array_free (gparray, TRUE);
 468   g_assert_cmpint (num_free_func_invocations, ==, 3);
 469
 470   num_free_func_invocations = 0;
 471   gparray = g_ptr_array_new_with_free_func (my_free_func);
 472   g_ptr_array_add (gparray, "foo");
 473   g_ptr_array_add (gparray, "bar");
 474   g_ptr_array_add (gparray, "baz");
 475   g_ptr_array_set_free_func (gparray, NULL);
 476   g_ptr_array_free (gparray, TRUE);
 477   g_assert_cmpint (num_free_func_invocations, ==, 0);
 478 }
 479
 480 static gint
 481 ptr_compare (gconstpointer p1, gconstpointer p2)
 482 {
 483   gpointer i1 = *(gpointer*)p1;
 484   gpointer i2 = *(gpointer*)p2;
 485
 486   return GPOINTER_TO_INT (i1) - GPOINTER_TO_INT (i2);
 487 }
 488
 489 static gint
 490 ptr_compare_data (gconstpointer p1, gconstpointer p2, gpointer data)
 491 {
 492   gpointer i1 = *(gpointer*)p1;
 493   gpointer i2 = *(gpointer*)p2;
 494
 495   return GPOINTER_TO_INT (i1) - GPOINTER_TO_INT (i2);
 496 }
 497
 498 static void
 499 pointer_array_sort (void)
 500 {
 501   GPtrArray *gparray;
 502   gint i;
 503   gint val;
 504   gint prev, cur;
 505
 506   gparray = g_ptr_array_new ();
 507   for (i = 0; i < 10000; i++)
 508     {
 509       val = g_random_int_range (0, 10000);
 510       g_ptr_array_add (gparray, GINT_TO_POINTER (val));
 511     }
 512
 513   g_ptr_array_sort (gparray, ptr_compare);
 514
 515   prev = -1;
 516   for (i = 0; i < 10000; i++)
 517     {
 518       cur = GPOINTER_TO_INT (g_ptr_array_index (gparray, i));
 519       g_assert_cmpint (prev, <=, cur);
 520       prev = cur;
 521     }
 522
 523   g_ptr_array_free (gparray, TRUE);
 524 }
 525
 526 static void
 527 pointer_array_sort_with_data (void)
 528 {
 529   GPtrArray *gparray;
 530   gint i;
 531   gint prev, cur;
 532
 533   gparray = g_ptr_array_new ();
 534   for (i = 0; i < 10000; i++)
 535     g_ptr_array_add (gparray, GINT_TO_POINTER (g_random_int_range (0, 10000)));
 536
 537   g_ptr_array_sort_with_data (gparray, ptr_compare_data, NULL);
 538
 539   prev = -1;
 540   for (i = 0; i < 10000; i++)
 541     {
 542       cur = GPOINTER_TO_INT (g_ptr_array_index (gparray, i));
 543       g_assert_cmpint (prev, <=, cur);
 544       prev = cur;
 545     }
 546
 547   g_ptr_array_free (gparray, TRUE);
 548 }
 549
 550 static void
 551 byte_array_append (void)
 552 {
 553   GByteArray *gbarray;
 554   gint i;
 555   guint8 *segment;
 556
 557   gbarray = g_byte_array_sized_new (1000);
 558   for (i = 0; i < 10000; i++)
 559     g_byte_array_append (gbarray, (guint8*) "abcd", 4);
 560
 561   for (i = 0; i < 10000; i++)
 562     {
 563       g_assert (gbarray->data[4*i] == 'a');
 564       g_assert (gbarray->data[4*i+1] == 'b');
 565       g_assert (gbarray->data[4*i+2] == 'c');
 566       g_assert (gbarray->data[4*i+3] == 'd');
 567     }
 568
 569   segment = g_byte_array_free (gbarray, FALSE);
 570
 571   for (i = 0; i < 10000; i++)
 572     {
 573       g_assert (segment[4*i] == 'a');
 574       g_assert (segment[4*i+1] == 'b');
 575       g_assert (segment[4*i+2] == 'c');
 576       g_assert (segment[4*i+3] == 'd');
 577     }
 578
 579   g_free (segment);
 580 }
 581
 582 static void
 583 byte_array_prepend (void)
 584 {
 585   GByteArray *gbarray;
 586   gint i;
 587
 588   gbarray = g_byte_array_new ();
 589   g_byte_array_set_size (gbarray, 1000);
 590
 591   for (i = 0; i < 10000; i++)
 592     g_byte_array_prepend (gbarray, (guint8*) "abcd", 4);
 593
 594   for (i = 0; i < 10000; i++)
 595     {
 596       g_assert (gbarray->data[4*i] == 'a');
 597       g_assert (gbarray->data[4*i+1] == 'b');
 598       g_assert (gbarray->data[4*i+2] == 'c');
 599       g_assert (gbarray->data[4*i+3] == 'd');
 600     }
 601
 602   g_byte_array_free (gbarray, TRUE);
 603 }
 604
 605 static void
 606 byte_array_ref_count (void)
 607 {
 608   GByteArray *gbarray;
 609   GByteArray *gbarray2;
 610   gint i;
 611
 612   gbarray = g_byte_array_new ();
 613   for (i = 0; i < 10000; i++)
 614     g_byte_array_append (gbarray, (guint8*) "abcd", 4);
 615
 616   gbarray2 = g_byte_array_ref (gbarray);
 617   g_assert (gbarray2 == gbarray);
 618   g_byte_array_unref (gbarray2);
 619   for (i = 0; i < 10000; i++)
 620     {
 621       g_assert (gbarray->data[4*i] == 'a');
 622       g_assert (gbarray->data[4*i+1] == 'b');
 623       g_assert (gbarray->data[4*i+2] == 'c');
 624       g_assert (gbarray->data[4*i+3] == 'd');
 625     }
 626
 627   gbarray2 = g_byte_array_ref (gbarray);
 628   g_assert (gbarray2 == gbarray);
 629   g_byte_array_free (gbarray, TRUE);
 630   g_assert_cmpint (gbarray2->len, ==, 0);
 631   g_byte_array_unref (gbarray2);
 632 }
 633
 634 static void
 635 byte_array_remove (void)
 636 {
 637   GByteArray *gbarray;
 638   gint i;
 639
 640   gbarray = g_byte_array_new ();
 641   for (i = 0; i < 100; i++)
 642     g_byte_array_append (gbarray, (guint8*) "abcd", 4);
 643
 644   g_assert_cmpint (gbarray->len, ==, 400);
 645
 646   g_byte_array_remove_index (gbarray, 4);
 647   g_byte_array_remove_index (gbarray, 4);
 648   g_byte_array_remove_index (gbarray, 4);
 649   g_byte_array_remove_index (gbarray, 4);
 650
 651   g_assert_cmpint (gbarray->len, ==, 396);
 652
 653   for (i = 0; i < 99; i++)
 654     {
 655       g_assert (gbarray->data[4*i] == 'a');
 656       g_assert (gbarray->data[4*i+1] == 'b');
 657       g_assert (gbarray->data[4*i+2] == 'c');
 658       g_assert (gbarray->data[4*i+3] == 'd');
 659     }
 660
 661   g_byte_array_free (gbarray, TRUE);
 662 }
 663
 664 static void
 665 byte_array_remove_fast (void)
 666 {
 667   GByteArray *gbarray;
 668   gint i;
 669
 670   gbarray = g_byte_array_new ();
 671   for (i = 0; i < 100; i++)
 672     g_byte_array_append (gbarray, (guint8*) "abcd", 4);
 673
 674   g_assert_cmpint (gbarray->len, ==, 400);
 675
 676   g_byte_array_remove_index_fast (gbarray, 4);
 677   g_byte_array_remove_index_fast (gbarray, 4);
 678   g_byte_array_remove_index_fast (gbarray, 4);
 679   g_byte_array_remove_index_fast (gbarray, 4);
 680
 681   g_assert_cmpint (gbarray->len, ==, 396);
 682
 683   for (i = 0; i < 99; i++)
 684     {
 685       g_assert (gbarray->data[4*i] == 'a');
 686       g_assert (gbarray->data[4*i+1] == 'b');
 687       g_assert (gbarray->data[4*i+2] == 'c');
 688       g_assert (gbarray->data[4*i+3] == 'd');
 689     }
 690
 691   g_byte_array_free (gbarray, TRUE);
 692 }
 693
 694 static void
 695 byte_array_remove_range (void)
 696 {
 697   GByteArray *gbarray;
 698   gint i;
 699
 700   gbarray = g_byte_array_new ();
 701   for (i = 0; i < 100; i++)
 702     g_byte_array_append (gbarray, (guint8*) "abcd", 4);
 703
 704   g_assert_cmpint (gbarray->len, ==, 400);
 705
 706   g_byte_array_remove_range (gbarray, 12, 4);
 707
 708   g_assert_cmpint (gbarray->len, ==, 396);
 709
 710   for (i = 0; i < 99; i++)
 711     {
 712       g_assert (gbarray->data[4*i] == 'a');
 713       g_assert (gbarray->data[4*i+1] == 'b');
 714       g_assert (gbarray->data[4*i+2] == 'c');
 715       g_assert (gbarray->data[4*i+3] == 'd');
 716     }
 717
 718   /* Ensure the entire array can be cleared, even when empty. */
 719   g_byte_array_remove_range (gbarray, 0, gbarray->len);
 720   g_byte_array_remove_range (gbarray, 0, gbarray->len);
 721
 722   g_byte_array_free (gbarray, TRUE);
 723 }
 724
 725 static int
 726 byte_compare (gconstpointer p1, gconstpointer p2)
 727 {
 728   const guint8 *i1 = p1;
 729   const guint8 *i2 = p2;
 730
 731   return *i1 - *i2;
 732 }
 733
 734 static int
 735 byte_compare_data (gconstpointer p1, gconstpointer p2, gpointer data)
 736 {
 737   const guint8 *i1 = p1;
 738   const guint8 *i2 = p2;
 739
 740   return *i1 - *i2;
 741 }
 742
 743 static void
 744 byte_array_sort (void)
 745 {
 746   GByteArray *gbarray;
 747   gint i;
 748   guint8 val;
 749   guint8 prev, cur;
 750
 751   gbarray = g_byte_array_new ();
 752   for (i = 0; i < 100; i++)
 753     {
 754       val = 'a' + g_random_int_range (0, 26);
 755       g_byte_array_append (gbarray, (guint8*) &val, 1);
 756     }
 757
 758   g_byte_array_sort (gbarray, byte_compare);
 759
 760   prev = 'a';
 761   for (i = 0; i < gbarray->len; i++)
 762     {
 763       cur = gbarray->data[i];
 764       g_assert_cmpint (prev, <=, cur);
 765       prev = cur;
 766     }
 767
 768   g_byte_array_free (gbarray, TRUE);
 769 }
 770
 771 static void
 772 byte_array_sort_with_data (void)
 773 {
 774   GByteArray *gbarray;
 775   gint i;
 776   guint8 val;
 777   guint8 prev, cur;
 778
 779   gbarray = g_byte_array_new ();
 780   for (i = 0; i < 100; i++)
 781     {
 782       val = 'a' + g_random_int_range (0, 26);
 783       g_byte_array_append (gbarray, (guint8*) &val, 1);
 784     }
 785
 786   g_byte_array_sort_with_data (gbarray, byte_compare_data, NULL);
 787
 788   prev = 'a';
 789   for (i = 0; i < gbarray->len; i++)
 790     {
 791       cur = gbarray->data[i];
 792       g_assert_cmpint (prev, <=, cur);
 793       prev = cur;
 794     }
 795
 796   g_byte_array_free (gbarray, TRUE);
 797 }
 798
 799 static void
 800 byte_array_new_take (void)
 801 {
 802   GByteArray *gbarray;
 803   guint8 *data;
 804
 805   data = g_memdup ("woooweeewow", 11);
 806   gbarray = g_byte_array_new_take (data, 11);
 807   g_assert (gbarray->data == data);
 808   g_assert_cmpuint (gbarray->len, ==, 11);
 809   g_byte_array_free (gbarray, TRUE);
 810 }
 811
 812 static void
 813 byte_array_free_to_bytes (void)
 814 {
 815   GByteArray *gbarray;
 816   gpointer memory;
 817   GBytes *bytes;
 818   gsize size;
 819
 820   gbarray = g_byte_array_new ();
 821   g_byte_array_append (gbarray, (guint8 *)"woooweeewow", 11);
 822   memory = gbarray->data;
 823
 824   bytes = g_byte_array_free_to_bytes (gbarray);
 825   g_assert (bytes != NULL);
 826   g_assert_cmpuint (g_bytes_get_size (bytes), ==, 11);
 827   g_assert (g_bytes_get_data (bytes, &size) == memory);
 828   g_assert_cmpuint (size, ==, 11);
 829
 830   g_bytes_unref (bytes);
 831 }
 832 int
 833 main (int argc, char *argv[])
 834 {
 835   g_test_init (&argc, &argv, NULL);
 836
 837   g_test_bug_base ("http://bugs.gnome.org/");
 838
 839   /* array tests */
 840   g_test_add_func ("/array/append", array_append);
 841   g_test_add_func ("/array/prepend", array_prepend);
 842   g_test_add_func ("/array/remove", array_remove);
 843   g_test_add_func ("/array/remove-fast", array_remove_fast);
 844   g_test_add_func ("/array/remove-range", array_remove_range);
 845   g_test_add_func ("/array/ref-count", array_ref_count);
 846   g_test_add_func ("/array/sort", array_sort);
 847   g_test_add_func ("/array/sort-with-data", array_sort_with_data);
 848   g_test_add_func ("/array/clear-func", array_clear_func);
 849
 850   /* pointer arrays */
 851   g_test_add_func ("/pointerarray/add", pointer_array_add);
 852   g_test_add_func ("/pointerarray/insert", pointer_array_insert);
 853   g_test_add_func ("/pointerarray/ref-count", pointer_array_ref_count);
 854   g_test_add_func ("/pointerarray/free-func", pointer_array_free_func);
 855   g_test_add_func ("/pointerarray/sort", pointer_array_sort);
 856   g_test_add_func ("/pointerarray/sort-with-data", pointer_array_sort_with_data);
 857
 858   /* byte arrays */
 859   g_test_add_func ("/bytearray/append", byte_array_append);
 860   g_test_add_func ("/bytearray/prepend", byte_array_prepend);
 861   g_test_add_func ("/bytearray/remove", byte_array_remove);
 862   g_test_add_func ("/bytearray/remove-fast", byte_array_remove_fast);
 863   g_test_add_func ("/bytearray/remove-range", byte_array_remove_range);
 864   g_test_add_func ("/bytearray/ref-count", byte_array_ref_count);
 865   g_test_add_func ("/bytearray/sort", byte_array_sort);
 866   g_test_add_func ("/bytearray/sort-with-data", byte_array_sort_with_data);
 867   g_test_add_func ("/bytearray/new-take", byte_array_new_take);
 868   g_test_add_func ("/bytearray/free-to-bytes", byte_array_free_to_bytes);
 869
 870   return g_test_run ();
 871 }
 872