1 /* testtextbuffer.c -- Simplistic test suite
2 * Copyright (C) 2000 Red Hat, Inc
3 * Author: Havoc Pennington
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
24 #include "gtk/gtktexttypes.h" /* Private header, for UNKNOWN_CHAR */
27 gtk_text_iter_spew (const GtkTextIter *iter, const gchar *desc)
29 g_print (" %20s: line %d / char %d / line char %d / line byte %d\n",
31 gtk_text_iter_get_line (iter),
32 gtk_text_iter_get_offset (iter),
33 gtk_text_iter_get_line_offset (iter),
34 gtk_text_iter_get_line_index (iter));
38 check_get_set_text (GtkTextBuffer *buffer,
41 GtkTextIter start, end, iter;
45 gtk_text_buffer_set_text (buffer, str, -1);
46 if (gtk_text_buffer_get_char_count (buffer) != g_utf8_strlen (str, -1))
47 g_error ("Wrong number of chars (%d not %d)",
48 gtk_text_buffer_get_char_count (buffer),
49 (int) g_utf8_strlen (str, -1));
50 gtk_text_buffer_get_bounds (buffer, &start, &end);
51 text = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
52 if (strcmp (text, str) != 0)
53 g_error ("Got '%s' as buffer contents", text);
56 /* line char counts */
61 n += gtk_text_iter_get_chars_in_line (&iter);
63 while (gtk_text_iter_forward_line (&iter));
65 if (n != gtk_text_buffer_get_char_count (buffer))
66 g_error ("Sum of chars in lines is %d but buffer char count is %d",
67 n, gtk_text_buffer_get_char_count (buffer));
69 /* line byte counts */
74 n += gtk_text_iter_get_bytes_in_line (&iter);
76 while (gtk_text_iter_forward_line (&iter));
78 if (n != strlen (str))
79 g_error ("Sum of chars in lines is %d but buffer byte count is %d",
80 n, (int) strlen (str));
82 gtk_text_buffer_set_text (buffer, "", -1);
84 n = gtk_text_buffer_get_line_count (buffer);
86 g_error ("%d lines, expected 1", n);
88 n = gtk_text_buffer_get_char_count (buffer);
90 g_error ("%d chars, expected 0", n);
94 count_toggles_at_iter (GtkTextIter *iter,
101 /* get toggle-ons and toggle-offs */
102 tags = gtk_text_iter_get_toggled_tags (iter, TRUE);
103 tags = g_slist_concat (tags,
104 gtk_text_iter_get_toggled_tags (iter, FALSE));
111 else if (of_tag == tmp->data)
114 tmp = g_slist_next (tmp);
123 count_toggles_in_range_by_char (GtkTextBuffer *buffer,
125 const GtkTextIter *start,
126 const GtkTextIter *end)
134 count += count_toggles_at_iter (&iter, of_tag);
135 if (!gtk_text_iter_forward_char (&iter))
138 count += count_toggles_at_iter (&iter, of_tag);
142 while (gtk_text_iter_compare (&iter, end) <= 0);
148 count_toggles_in_buffer (GtkTextBuffer *buffer,
151 GtkTextIter start, end;
153 gtk_text_buffer_get_bounds (buffer, &start, &end);
155 return count_toggles_in_range_by_char (buffer, of_tag, &start, &end);
159 check_specific_tag_in_range (GtkTextBuffer *buffer,
160 const gchar *tag_name,
161 const GtkTextIter *start,
162 const GtkTextIter *end)
171 if (gtk_text_iter_compare (start, end) > 0)
173 g_print (" (inverted range for checking tags, skipping)\n");
177 tag = gtk_text_tag_table_lookup (gtk_text_buffer_get_tag_table (buffer),
180 buffer_count = count_toggles_in_range_by_char (buffer, tag, start, end);
187 if (gtk_text_iter_toggles_tag (&iter, tag) ||
188 gtk_text_iter_forward_to_tag_toggle (&iter, tag))
196 this_offset = gtk_text_iter_get_offset (&iter);
198 if (this_offset <= last_offset)
199 g_error ("forward_to_tag_toggle moved in wrong direction");
201 last_offset = this_offset;
203 if (gtk_text_iter_begins_tag (&iter, tag))
206 g_error ("Tag %p is already on, and was toggled on?", tag);
209 else if (gtk_text_iter_ends_tag (&iter, tag))
212 g_error ("Tag %p toggled off, but wasn't toggled on?", tag);
216 g_error ("forward_to_tag_toggle went to a location without a toggle");
218 while (gtk_text_iter_forward_to_tag_toggle (&iter, tag) &&
219 gtk_text_iter_compare (&iter, end) <= 0);
222 if (count != buffer_count)
223 g_error ("Counted %d tags iterating by char, %d iterating forward by tag toggle\n",
224 buffer_count, count);
230 last_offset = gtk_text_iter_get_offset (&iter);
231 if (gtk_text_iter_toggles_tag (&iter, tag) ||
232 gtk_text_iter_backward_to_tag_toggle (&iter, tag))
240 this_offset = gtk_text_iter_get_offset (&iter);
242 if (this_offset >= last_offset)
243 g_error ("backward_to_tag_toggle moved in wrong direction");
245 last_offset = this_offset;
247 if (gtk_text_iter_begins_tag (&iter, tag))
250 g_error ("Tag %p wasn't on when we got to the on toggle going backward?", tag);
253 else if (gtk_text_iter_ends_tag (&iter, tag))
256 g_error ("Tag %p off toggle, but we were already inside a tag?", tag);
260 g_error ("backward_to_tag_toggle went to a location without a toggle");
262 while (gtk_text_iter_backward_to_tag_toggle (&iter, tag) &&
263 gtk_text_iter_compare (&iter, start) >= 0);
266 if (count != buffer_count)
267 g_error ("Counted %d tags iterating by char, %d iterating backward by tag toggle\n",
268 buffer_count, count);
272 check_specific_tag (GtkTextBuffer *buffer,
273 const gchar *tag_name)
275 GtkTextIter start, end;
277 gtk_text_buffer_get_bounds (buffer, &start, &end);
278 check_specific_tag_in_range (buffer, tag_name, &start, &end);
279 gtk_text_iter_forward_chars (&start, 2);
280 gtk_text_iter_backward_chars (&end, 2);
281 if (gtk_text_iter_compare (&start, &end) < 0)
282 check_specific_tag_in_range (buffer, tag_name, &start, &end);
286 run_tests (GtkTextBuffer *buffer)
294 GtkTextMark *bar_mark;
296 GHashTable *tag_states;
300 gtk_text_buffer_get_bounds (buffer, &start, &end);
302 /* Check that walking the tree via chars and via iterators produces
303 * the same number of indexable locations.
305 num_chars = gtk_text_buffer_get_char_count (buffer);
307 bar_mark = gtk_text_buffer_create_mark (buffer, "bar", &iter, FALSE);
309 while (i < num_chars)
312 GtkTextMark *foo_mark;
314 gtk_text_buffer_get_iter_at_offset (buffer, ¤t, i);
316 if (!gtk_text_iter_equal (&iter, ¤t))
318 g_error ("get_char_index didn't return current iter");
321 j = gtk_text_iter_get_offset (&iter);
325 g_error ("iter converted to %d not %d", j, i);
329 gtk_text_buffer_get_iter_at_mark (buffer, &mark, bar_mark);
331 if (!gtk_text_iter_equal (&iter, &mark))
333 gtk_text_iter_spew (&iter, "iter");
334 gtk_text_iter_spew (&mark, "mark");
335 g_error ("Mark not moved to the right place.");
338 foo_mark = gtk_text_buffer_create_mark (buffer, "foo", &iter, FALSE);
339 gtk_text_buffer_get_iter_at_mark (buffer, &mark, foo_mark);
340 gtk_text_buffer_delete_mark (buffer, foo_mark);
342 if (!gtk_text_iter_equal (&iter, &mark))
344 gtk_text_iter_spew (&iter, "iter");
345 gtk_text_iter_spew (&mark, "mark");
346 g_error ("Mark not created in the right place.");
349 if (gtk_text_iter_is_end (&iter))
350 g_error ("iterators ran out before chars (offset %d of %d)",
353 gtk_text_iter_forward_char (&iter);
355 gtk_text_buffer_move_mark (buffer, bar_mark, &iter);
360 if (!gtk_text_iter_equal (&iter, &end))
361 g_error ("Iterating over all chars didn't end with the end iter");
363 /* Do the tree-walk backward
365 num_chars = gtk_text_buffer_get_char_count (buffer);
366 gtk_text_buffer_get_iter_at_offset (buffer, &iter, -1);
368 gtk_text_buffer_move_mark (buffer, bar_mark, &iter);
372 if (!gtk_text_iter_equal (&iter, &end))
373 g_error ("iter at char -1 is not equal to the end iterator");
378 GtkTextMark *foo_mark;
380 gtk_text_buffer_get_iter_at_offset (buffer, ¤t, i);
382 if (!gtk_text_iter_equal (&iter, ¤t))
384 g_error ("get_char_index didn't return current iter while going backward");
386 j = gtk_text_iter_get_offset (&iter);
390 g_error ("going backward, iter converted to %d not %d", j, i);
394 gtk_text_buffer_get_iter_at_mark (buffer, &mark, bar_mark);
396 if (!gtk_text_iter_equal (&iter, &mark))
398 gtk_text_iter_spew (&iter, "iter");
399 gtk_text_iter_spew (&mark, "mark");
400 g_error ("Mark not moved to the right place.");
403 foo_mark = gtk_text_buffer_create_mark (buffer, "foo", &iter, FALSE);
404 gtk_text_buffer_get_iter_at_mark (buffer, &mark, foo_mark);
405 gtk_text_buffer_delete_mark (buffer, foo_mark);
407 if (!gtk_text_iter_equal (&iter, &mark))
409 gtk_text_iter_spew (&iter, "iter");
410 gtk_text_iter_spew (&mark, "mark");
411 g_error ("Mark not created in the right place.");
416 if (!gtk_text_iter_backward_char (&iter))
417 g_error ("iterators ran out before char indexes");
419 gtk_text_buffer_move_mark (buffer, bar_mark, &iter);
423 if (gtk_text_iter_backward_char (&iter))
424 g_error ("went backward from 0?");
430 if (!gtk_text_iter_equal (&iter, &start))
431 g_error ("Iterating backward over all chars didn't end with the start iter");
434 * Check that get_line_count returns the same number of lines
435 * as walking the tree by line
437 i = 1; /* include current (first) line */
438 gtk_text_buffer_get_iter_at_line (buffer, &iter, 0);
439 while (gtk_text_iter_forward_line (&iter))
442 if (i != gtk_text_buffer_get_line_count (buffer))
443 g_error ("Counted %d lines, buffer has %d", i,
444 gtk_text_buffer_get_line_count (buffer));
447 * Check that moving over tag toggles thinks about working.
450 buffer_count = count_toggles_in_buffer (buffer, NULL);
452 tag_states = g_hash_table_new (NULL, NULL);
455 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
456 if (gtk_text_iter_toggles_tag (&iter, NULL) ||
457 gtk_text_iter_forward_to_tag_toggle (&iter, NULL))
463 gboolean found_some = FALSE;
465 /* get toggled-on tags */
466 tags = gtk_text_iter_get_toggled_tags (&iter, TRUE);
478 if (g_hash_table_lookup (tag_states, tag))
479 g_error ("Tag %p is already on, and was toggled on?", tag);
481 g_hash_table_insert (tag_states, tag, GINT_TO_POINTER (TRUE));
483 tmp = g_slist_next (tmp);
488 /* get toggled-off tags */
489 tags = gtk_text_iter_get_toggled_tags (&iter, FALSE);
501 if (!g_hash_table_lookup (tag_states, tag))
502 g_error ("Tag %p is already off, and was toggled off?", tag);
504 g_hash_table_remove (tag_states, tag);
506 tmp = g_slist_next (tmp);
512 g_error ("No tags found going forward to tag toggle.");
515 while (gtk_text_iter_forward_to_tag_toggle (&iter, NULL));
518 g_hash_table_destroy (tag_states);
520 if (count != buffer_count)
521 g_error ("Counted %d tags iterating by char, %d iterating by tag toggle\n",
522 buffer_count, count);
524 /* Go backward; here TRUE in the hash means we saw
525 * an off toggle last.
528 tag_states = g_hash_table_new (NULL, NULL);
531 gtk_text_buffer_get_end_iter (buffer, &iter);
532 if (gtk_text_iter_toggles_tag (&iter, NULL) ||
533 gtk_text_iter_backward_to_tag_toggle (&iter, NULL))
539 gboolean found_some = FALSE;
541 /* get toggled-off tags */
542 tags = gtk_text_iter_get_toggled_tags (&iter, FALSE);
554 if (g_hash_table_lookup (tag_states, tag))
555 g_error ("Tag %p has two off-toggles in a row?", tag);
557 g_hash_table_insert (tag_states, tag, GINT_TO_POINTER (TRUE));
559 tmp = g_slist_next (tmp);
564 /* get toggled-on tags */
565 tags = gtk_text_iter_get_toggled_tags (&iter, TRUE);
577 if (!g_hash_table_lookup (tag_states, tag))
578 g_error ("Tag %p was toggled on, but saw no off-toggle?", tag);
580 g_hash_table_remove (tag_states, tag);
582 tmp = g_slist_next (tmp);
588 g_error ("No tags found going backward to tag toggle.");
590 while (gtk_text_iter_backward_to_tag_toggle (&iter, NULL));
593 g_hash_table_destroy (tag_states);
595 if (count != buffer_count)
596 g_error ("Counted %d tags iterating by char, %d iterating by tag toggle\n",
597 buffer_count, count);
599 check_specific_tag (buffer, "fg_red");
600 check_specific_tag (buffer, "bg_green");
601 check_specific_tag (buffer, "front_tag");
602 check_specific_tag (buffer, "center_tag");
603 check_specific_tag (buffer, "end_tag");
607 static const char *book_closed_xpm[] = {
633 fill_buffer (GtkTextBuffer *buffer)
636 GdkColor color, color2;
642 color.red = color.green = 0;
648 gtk_text_buffer_create_tag (buffer, "fg_blue",
649 "foreground_gdk", &color,
650 "background_gdk", &color2,
651 "font", "-*-courier-bold-r-*-*-30-*-*-*-*-*-*-*",
654 color.blue = color.green = 0;
657 gtk_text_buffer_create_tag (buffer, "fg_red",
659 "foreground_gdk", &color,
662 color.blue = color.red = 0;
663 color.green = 0xffff;
665 gtk_text_buffer_create_tag (buffer, "bg_green",
666 "background_gdk", &color,
667 "font", "-*-courier-bold-r-*-*-10-*-*-*-*-*-*-*",
670 pixbuf = gdk_pixbuf_new_from_xpm_data (book_closed_xpm);
672 g_assert (pixbuf != NULL);
679 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
681 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
683 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 1);
685 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
687 str = g_strdup_printf ("%d Hello World!\nwoo woo woo woo woo woo woo woo\n",
690 gtk_text_buffer_insert (buffer, &iter, str, -1);
694 gtk_text_buffer_insert (buffer, &iter,
695 "(Hello World!)\nfoo foo Hello this is some text we are using to text word wrap. It has punctuation! gee; blah - hmm, great.\nnew line\n\n"
696 /* This is UTF8 stuff, Emacs doesn't
697 really know how to display it */
698 "Spanish (Espa\303\261ol) \302\241Hola! / French (Fran\303\247ais) Bonjour, Salut / German (Deutsch S\303\274d) Gr\303\274\303\237 Gott (testing Latin-1 chars encoded in UTF8)\nThai (we can't display this, just making sure we don't crash) (\340\270\240\340\270\262\340\270\251\340\270\262\340\271\204\340\270\227\340\270\242) \340\270\252\340\270\247\340\270\261\340\270\252\340\270\224\340\270\265\340\270\204\340\270\243\340\270\261\340\270\232, \340\270\252\340\270\247\340\270\261\340\270\252\340\270\224\340\270\265\340\270\204\340\271\210\340\270\260\n",
701 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
702 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
704 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 4);
706 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
708 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 7);
710 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
712 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 8);
714 gtk_text_buffer_insert_pixbuf (buffer, &iter, pixbuf);
716 gtk_text_buffer_get_iter_at_line_offset (buffer, &iter, 0, 8);
718 gtk_text_iter_forward_chars (&iter2, 10);
720 gtk_text_buffer_apply_tag_by_name (buffer, "fg_blue", &iter, &iter2);
722 gtk_text_iter_forward_chars (&iter, 7);
723 gtk_text_iter_forward_chars (&iter2, 10);
725 gtk_text_buffer_apply_tag_by_name (buffer, "bg_green", &iter, &iter2);
727 gtk_text_iter_forward_chars (&iter, 12);
728 gtk_text_iter_forward_chars (&iter2, 10);
730 gtk_text_buffer_apply_tag_by_name (buffer, "bg_green", &iter, &iter2);
732 gtk_text_iter_forward_chars (&iter, 10);
733 gtk_text_iter_forward_chars (&iter2, 15);
735 gtk_text_buffer_apply_tag_by_name (buffer, "fg_red", &iter, &iter2);
736 gtk_text_buffer_apply_tag_by_name (buffer, "fg_blue", &iter, &iter2);
738 gtk_text_iter_forward_chars (&iter, 20);
739 gtk_text_iter_forward_chars (&iter2, 20);
741 gtk_text_buffer_apply_tag_by_name (buffer, "fg_red", &iter, &iter2);
742 gtk_text_buffer_apply_tag_by_name (buffer, "fg_blue", &iter, &iter2);
744 gtk_text_iter_backward_chars (&iter, 25);
745 gtk_text_iter_forward_chars (&iter2, 5);
747 gtk_text_buffer_apply_tag_by_name (buffer, "fg_red", &iter, &iter2);
748 gtk_text_buffer_apply_tag_by_name (buffer, "fg_blue", &iter, &iter2);
750 gtk_text_iter_forward_chars (&iter, 15);
751 gtk_text_iter_backward_chars (&iter2, 10);
753 gtk_text_buffer_remove_tag_by_name (buffer, "fg_red", &iter, &iter2);
754 gtk_text_buffer_remove_tag_by_name (buffer, "fg_blue", &iter, &iter2);
759 /* Put in tags that are just at the beginning, and just near the end,
760 * and just near the middle.
762 tag = gtk_text_buffer_create_tag (buffer, "front_tag", NULL);
763 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 3);
764 gtk_text_buffer_get_iter_at_offset (buffer, &iter2, 300);
766 gtk_text_buffer_apply_tag (buffer, tag, &iter, &iter2);
768 tag = gtk_text_buffer_create_tag (buffer, "end_tag", NULL);
769 gtk_text_buffer_get_end_iter (buffer, &iter2);
770 gtk_text_iter_backward_chars (&iter2, 12);
772 gtk_text_iter_backward_chars (&iter, 157);
774 gtk_text_buffer_apply_tag (buffer, tag, &iter, &iter2);
776 tag = gtk_text_buffer_create_tag (buffer, "center_tag", NULL);
777 gtk_text_buffer_get_iter_at_offset (buffer, &iter,
778 gtk_text_buffer_get_char_count (buffer)/2);
779 gtk_text_iter_backward_chars (&iter, 37);
781 gtk_text_iter_forward_chars (&iter2, 57);
783 gtk_text_buffer_apply_tag (buffer, tag, &iter, &iter2);
785 g_object_unref (pixbuf);
790 * Line separator tests (initially to avoid regression on bugzilla #57428)
794 test_line_separation (const char* str,
795 gboolean expect_next_line,
796 gboolean expect_end_iter,
797 int expected_line_count,
798 int expected_line_break,
799 int expected_next_line_start)
802 GtkTextBuffer* buffer;
803 gboolean on_next_line;
804 gboolean on_end_iter;
807 buffer = gtk_text_buffer_new (NULL);
809 gtk_text_buffer_set_text (buffer, str, -1);
810 gtk_text_buffer_get_iter_at_offset (buffer, &iter, expected_line_break);
812 g_assert (gtk_text_iter_ends_line (&iter) || gtk_text_iter_is_end (&iter));
814 g_assert (gtk_text_buffer_get_line_count (buffer) == expected_line_count);
816 on_next_line = gtk_text_iter_forward_line (&iter);
818 g_assert (expect_next_line == on_next_line);
820 on_end_iter = gtk_text_iter_is_end (&iter);
822 g_assert (on_end_iter == expect_end_iter);
824 new_pos = gtk_text_iter_get_offset (&iter);
827 g_assert (expected_next_line_start == new_pos);
829 ++expected_line_break;
830 while (expected_line_break < expected_next_line_start)
832 gtk_text_buffer_get_iter_at_offset (buffer, &iter, expected_line_break);
834 g_assert (!gtk_text_iter_ends_line (&iter));
836 on_next_line = gtk_text_iter_forward_line (&iter);
838 g_assert (expect_next_line == on_next_line);
840 new_pos = gtk_text_iter_get_offset (&iter);
843 g_assert (expected_next_line_start == new_pos);
845 ++expected_line_break;
848 /* FIXME tests for backward line */
850 g_object_unref (buffer);
853 /* there are cases where \r and \n should not be treated like \r\n,
854 * originally bug #337022. */
856 split_r_n_separators_test (void)
858 GtkTextBuffer *buffer;
861 buffer = gtk_text_buffer_new (NULL);
863 gtk_text_buffer_set_text (buffer, "foo\ra\nbar\n", -1);
865 /* delete 'a' so that we have
871 * and both \r and \n are line separators */
873 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 5);
874 gtk_text_buffer_backspace (buffer, &iter, TRUE, TRUE);
876 g_assert (gtk_text_iter_ends_line (&iter));
878 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 3);
879 g_assert (gtk_text_iter_ends_line (&iter));
881 g_object_unref (buffer);
885 test_line_separator (void)
888 char buf[7] = { '\0', };
890 /* Only one character has type G_UNICODE_PARAGRAPH_SEPARATOR in
891 * Unicode 3.0; update this if that changes.
893 #define PARAGRAPH_SEPARATOR 0x2029
895 test_line_separation ("line", FALSE, TRUE, 1, 4, 4);
896 test_line_separation ("line\r\n", FALSE, TRUE, 2, 4, 6);
897 test_line_separation ("line\r", FALSE, TRUE, 2, 4, 5);
898 test_line_separation ("line\n", FALSE, TRUE, 2, 4, 5);
899 test_line_separation ("line\rqw", TRUE, FALSE, 2, 4, 5);
900 test_line_separation ("line\nqw", TRUE, FALSE, 2, 4, 5);
901 test_line_separation ("line\r\nqw", TRUE, FALSE, 2, 4, 6);
903 g_unichar_to_utf8 (PARAGRAPH_SEPARATOR, buf);
905 str = g_strdup_printf ("line%s", buf);
906 test_line_separation (str, FALSE, TRUE, 2, 4, 5);
908 str = g_strdup_printf ("line%sqw", buf);
909 test_line_separation (str, TRUE, FALSE, 2, 4, 5);
912 split_r_n_separators_test ();
916 test_backspace (void)
918 GtkTextBuffer *buffer;
922 buffer = gtk_text_buffer_new (NULL);
924 gtk_text_buffer_set_text (buffer, "foo", -1);
925 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 2);
926 ret = gtk_text_buffer_backspace (buffer, &iter, TRUE, TRUE);
928 g_assert_cmpint (1, ==, gtk_text_iter_get_offset (&iter));
929 g_assert_cmpint (2, ==, gtk_text_buffer_get_char_count (buffer));
931 gtk_text_buffer_set_text (buffer, "foo", -1);
932 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
933 ret = gtk_text_buffer_backspace (buffer, &iter, TRUE, TRUE);
935 g_assert_cmpint (0, ==, gtk_text_iter_get_offset (&iter));
936 g_assert_cmpint (3, ==, gtk_text_buffer_get_char_count (buffer));
938 /* test bug #544724 */
939 gtk_text_buffer_set_text (buffer, "foo\r\n\r\nbar", -1);
940 gtk_text_buffer_get_iter_at_offset (buffer, &iter, 5);
941 ret = gtk_text_buffer_backspace (buffer, &iter, TRUE, TRUE);
943 g_assert_cmpint (0, ==, gtk_text_iter_get_line (&iter));
944 g_assert_cmpint (8, ==, gtk_text_buffer_get_char_count (buffer));
946 g_object_unref (buffer);
950 test_logical_motion (void)
953 char buf1[7] = { '\0', };
954 char buf2[7] = { '\0', };
955 char buf3[7] = { '\0', };
959 GtkTextBuffer *buffer;
962 buffer = gtk_text_buffer_new (NULL);
964 #define LEADING_JAMO 0x1111
965 #define VOWEL_JAMO 0x1167
966 #define TRAILING_JAMO 0x11B9
968 g_unichar_to_utf8 (LEADING_JAMO, buf1);
969 g_unichar_to_utf8 (VOWEL_JAMO, buf2);
970 g_unichar_to_utf8 (TRAILING_JAMO, buf3);
972 /* Build the string "abc<leading><vowel><trailing>def\r\nxyz" */
973 str = g_strconcat ("abc", buf1, buf2, buf3, "def\r\nxyz", NULL);
974 gtk_text_buffer_set_text (buffer, str, -1);
977 /* Check cursor positions */
978 memset (expected, 0, sizeof (expected));
979 expected[0] = 0; /* before 'a' */
980 expected[1] = 1; /* before 'b' */
981 expected[2] = 2; /* before 'c' */
982 expected[3] = 3; /* before jamo */
983 expected[4] = 6; /* before 'd' */
984 expected[5] = 7; /* before 'e' */
985 expected[6] = 8; /* before 'f' */
986 expected[7] = 9; /* before '\r' */
987 expected[8] = 11; /* before 'x' */
988 expected[9] = 12; /* before 'y' */
989 expected[10] = 13; /* before 'z' */
990 expected[11] = 14; /* after 'z' (only matters going backward) */
993 gtk_text_buffer_get_start_iter (buffer, &iter);
999 pos = gtk_text_iter_get_offset (&iter);
1001 if (pos != expected[i])
1003 g_error ("Cursor position %d, expected %d",
1009 while (gtk_text_iter_forward_cursor_position (&iter));
1011 if (!gtk_text_iter_is_end (&iter))
1012 g_error ("Expected to stop at the end iterator\n");
1014 if (!gtk_text_iter_is_cursor_position (&iter))
1015 g_error ("Should be a cursor position before the end iterator");
1017 if (i != expected_steps)
1018 g_error ("Expected %d steps, there were actually %d\n", expected_steps, i);
1025 pos = gtk_text_iter_get_offset (&iter);
1027 if (pos != expected[i])
1029 g_error ("Moving backward, cursor position %d, expected %d",
1033 /* g_print ("%d = %d\n", pos, expected[i]); */
1037 while (gtk_text_iter_backward_cursor_position (&iter));
1040 g_error ("Expected %d steps, there were actually %d\n", expected_steps - i, i);
1042 if (!gtk_text_iter_is_start (&iter))
1043 g_error ("Expected to stop at the start iterator\n");
1046 /* Check sentence boundaries */
1048 gtk_text_buffer_set_text (buffer, "Hi.\nHi. \nHi! Hi. Hi? Hi.", -1);
1050 memset (expected, 0, sizeof (expected));
1052 expected[0] = 0; /* before first Hi */
1053 expected[1] = 3; /* After first . */
1054 expected[2] = 7; /* After second . */
1055 expected[3] = 12; /* After ! */
1056 expected[4] = 16; /* After third . */
1057 expected[5] = 20; /* After ? */
1061 gtk_text_buffer_get_start_iter (buffer, &iter);
1067 pos = gtk_text_iter_get_offset (&iter);
1069 if (pos != expected[i])
1071 g_error ("Sentence position %d, expected %d",
1076 !gtk_text_iter_is_end (&iter) &&
1077 !gtk_text_iter_ends_sentence (&iter))
1078 g_error ("Iterator at %d should end a sentence", pos);
1082 while (gtk_text_iter_forward_sentence_end (&iter));
1084 if (i != expected_steps)
1085 g_error ("Expected %d steps, there were actually %d\n", expected_steps, i);
1087 if (!gtk_text_iter_is_end (&iter))
1088 g_error ("Expected to stop at the end iterator\n");
1090 gtk_text_buffer_set_text (buffer, "Hi.\nHi. \nHi! Hi. Hi? Hi.", -1);
1092 memset (expected, 0, sizeof (expected));
1104 gtk_text_buffer_get_end_iter (buffer, &iter);
1110 pos = gtk_text_iter_get_offset (&iter);
1112 if (pos != expected[i])
1114 g_error ("Sentence position %d, expected %d",
1119 !gtk_text_iter_is_end (&iter) &&
1120 !gtk_text_iter_starts_sentence (&iter))
1121 g_error ("Iterator at %d should start a sentence", pos);
1125 while (gtk_text_iter_backward_sentence_start (&iter));
1127 if (i != expected_steps)
1128 g_error ("Expected %d steps, there were actually %d\n", expected_steps, i);
1130 if (gtk_text_iter_get_offset (&iter) != 0)
1131 g_error ("Expected to stop at the start iterator\n");
1133 g_object_unref (buffer);
1139 GtkTextBuffer *buf1, *buf2;
1143 buf1 = gtk_text_buffer_new (NULL);
1144 buf2 = gtk_text_buffer_new (NULL);
1146 gtk_text_buffer_get_start_iter (buf1, &iter);
1147 mark = gtk_text_buffer_create_mark (buf1, "foo", &iter, TRUE);
1148 g_object_ref (mark);
1149 gtk_text_mark_set_visible (mark, TRUE);
1150 gtk_text_buffer_delete_mark (buf1, mark);
1152 g_assert (gtk_text_mark_get_visible (mark));
1153 g_assert (gtk_text_mark_get_left_gravity (mark));
1154 g_assert (!strcmp ("foo", gtk_text_mark_get_name (mark)));
1155 g_assert (gtk_text_mark_get_buffer (mark) == NULL);
1156 g_assert (gtk_text_mark_get_deleted (mark));
1157 g_assert (gtk_text_buffer_get_mark (buf1, "foo") == NULL);
1159 gtk_text_buffer_get_start_iter (buf2, &iter);
1160 gtk_text_buffer_add_mark (buf2, mark, &iter);
1161 gtk_text_buffer_insert (buf2, &iter, "ewfwefwefwe", -1);
1162 gtk_text_buffer_get_iter_at_mark (buf2, &iter, mark);
1164 g_assert (gtk_text_mark_get_visible (mark));
1165 g_assert (gtk_text_iter_is_start (&iter));
1166 g_assert (gtk_text_mark_get_left_gravity (mark));
1167 g_assert (!strcmp ("foo", gtk_text_mark_get_name (mark)));
1168 g_assert (gtk_text_mark_get_buffer (mark) == buf2);
1169 g_assert (!gtk_text_mark_get_deleted (mark));
1170 g_assert (gtk_text_buffer_get_mark (buf2, "foo") == mark);
1172 gtk_text_buffer_delete_mark (buf2, mark);
1173 gtk_text_mark_set_visible (mark, FALSE);
1174 g_object_unref (mark);
1176 mark = gtk_text_mark_new ("blah", TRUE);
1177 gtk_text_buffer_get_start_iter (buf1, &iter);
1178 gtk_text_mark_set_visible (mark, TRUE);
1179 gtk_text_buffer_add_mark (buf1, mark, &iter);
1181 g_assert (gtk_text_mark_get_visible (mark));
1182 g_assert (gtk_text_mark_get_buffer (mark) == buf1);
1183 g_assert (!gtk_text_mark_get_deleted (mark));
1184 g_assert (gtk_text_buffer_get_mark (buf1, "blah") == mark);
1185 g_assert (!strcmp ("blah", gtk_text_mark_get_name (mark)));
1187 gtk_text_mark_set_visible (mark, FALSE);
1188 gtk_text_buffer_delete_mark (buf1, mark);
1189 g_assert (!gtk_text_mark_get_visible (mark));
1190 g_assert (gtk_text_buffer_get_mark (buf1, "blah") == NULL);
1191 g_assert (gtk_text_mark_get_buffer (mark) == NULL);
1192 g_assert (gtk_text_mark_get_deleted (mark));
1194 gtk_text_buffer_get_start_iter (buf2, &iter);
1195 gtk_text_buffer_add_mark (buf2, mark, &iter);
1196 g_assert (gtk_text_mark_get_buffer (mark) == buf2);
1197 g_assert (!gtk_text_mark_get_deleted (mark));
1198 g_assert (gtk_text_buffer_get_mark (buf2, "blah") == mark);
1199 g_assert (!strcmp ("blah", gtk_text_mark_get_name (mark)));
1201 g_object_unref (mark);
1202 g_object_unref (buf1);
1203 g_object_unref (buf2);
1211 /* Check UTF8 unknown char thing */
1212 g_assert (GTK_TEXT_UNKNOWN_CHAR_UTF8_LEN == 3);
1213 g_assert (g_utf8_strlen (gtk_text_unknown_char_utf8_gtk_tests_only (), 3) == 1);
1214 ch = g_utf8_get_char (gtk_text_unknown_char_utf8_gtk_tests_only ());
1215 g_assert (ch == GTK_TEXT_UNKNOWN_CHAR);
1219 test_empty_buffer (void)
1221 GtkTextBuffer *buffer;
1225 buffer = gtk_text_buffer_new (NULL);
1227 /* Check that buffer starts with one empty line and zero chars */
1228 n = gtk_text_buffer_get_line_count (buffer);
1230 g_error ("%d lines, expected 1", n);
1232 n = gtk_text_buffer_get_char_count (buffer);
1234 g_error ("%d chars, expected 0", n);
1236 /* empty first line contains 0 chars */
1237 gtk_text_buffer_get_start_iter (buffer, &start);
1238 n = gtk_text_iter_get_chars_in_line (&start);
1240 g_error ("%d chars in first line, expected 0", n);
1241 n = gtk_text_iter_get_bytes_in_line (&start);
1243 g_error ("%d bytes in first line, expected 0", n);
1245 /* Run gruesome alien test suite on buffer */
1248 g_object_unref (buffer);
1254 GtkTextBuffer *buffer;
1256 buffer = gtk_text_buffer_new (NULL);
1258 check_get_set_text (buffer, "Hello");
1259 check_get_set_text (buffer, "Hello\n");
1260 check_get_set_text (buffer, "Hello\r\n");
1261 check_get_set_text (buffer, "Hello\r");
1262 check_get_set_text (buffer, "Hello\nBar\nFoo");
1263 check_get_set_text (buffer, "Hello\nBar\nFoo\n");
1265 g_object_unref (buffer);
1269 test_fill_empty (void)
1271 GtkTextBuffer *buffer;
1273 GtkTextIter start, end;
1275 buffer = gtk_text_buffer_new (NULL);
1277 /* Put stuff in the buffer */
1278 fill_buffer (buffer);
1280 /* Subject stuff-bloated buffer to further torment */
1283 /* Delete all stuff from the buffer */
1284 gtk_text_buffer_get_bounds (buffer, &start, &end);
1285 gtk_text_buffer_delete (buffer, &start, &end);
1287 /* Check buffer for emptiness (note that a single
1288 empty line always remains in the buffer) */
1289 n = gtk_text_buffer_get_line_count (buffer);
1291 g_error ("%d lines, expected 1", n);
1293 n = gtk_text_buffer_get_char_count (buffer);
1295 g_error ("%d chars, expected 0", n);
1299 g_object_unref (buffer);
1305 GtkTextBuffer *buffer;
1306 GtkTextIter start, end;
1308 buffer = gtk_text_buffer_new (NULL);
1310 fill_buffer (buffer);
1312 gtk_text_buffer_set_text (buffer, "adcdef", -1);
1313 gtk_text_buffer_get_iter_at_offset (buffer, &start, 1);
1314 gtk_text_buffer_get_iter_at_offset (buffer, &end, 3);
1315 gtk_text_buffer_apply_tag_by_name (buffer, "fg_blue", &start, &end);
1319 g_object_unref (buffer);
1323 main (int argc, char** argv)
1325 /* First, we turn on btree debugging. */
1326 gtk_set_debug_flags (gtk_get_debug_flags () | GTK_DEBUG_TEXT);
1328 gtk_test_init (&argc, &argv);
1330 g_test_add_func ("/TextBuffer/UTF8 unknown char", test_utf8);
1331 g_test_add_func ("/TextBuffer/Line separator", test_line_separator);
1332 g_test_add_func ("/TextBuffer/Backspace", test_backspace);
1333 g_test_add_func ("/TextBuffer/Logical motion", test_logical_motion);
1334 g_test_add_func ("/TextBuffer/Marks", test_marks);
1335 g_test_add_func ("/TextBuffer/Empty buffer", test_empty_buffer);
1336 g_test_add_func ("/TextBuffer/Get and Set", test_get_set);
1337 g_test_add_func ("/TextBuffer/Fill and Empty", test_fill_empty);
1338 g_test_add_func ("/TextBuffer/Tag", test_tag);
1340 return g_test_run();