Learning_GTK4_tree/testsuite/gtk/textiter.c

856 lines
32 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
static void
test_empty_search (void)
{
GtkTextBuffer *buffer;
GtkTextIter it, s, e;
gboolean res;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, "This is some foo text", -1);
/* search from start forward */
gtk_text_buffer_get_start_iter (buffer, &it);
res = gtk_text_iter_forward_search (&it, "", 0, &s, &e, NULL);
g_assert_true (res);
g_assert_cmpint (gtk_text_iter_get_offset (&s), ==, gtk_text_iter_get_offset (&e));
g_assert_cmpint (gtk_text_iter_get_offset (&s), ==, 1);
/* search from end backward */
gtk_text_buffer_get_end_iter (buffer, &it);
res = gtk_text_iter_backward_search (&it, "", 0, &s, &e, NULL);
g_assert_true (res);
g_assert_cmpint (gtk_text_iter_get_offset (&s), ==, gtk_text_iter_get_offset (&e));
g_assert_cmpint (gtk_text_iter_get_offset (&s), ==, 20);
}
static void
check_found_forward (const char *haystack,
const char *needle,
GtkTextSearchFlags flags,
int expected_start,
int expected_end,
const char *expected_string)
{
GtkTextBuffer *buffer;
GtkTextIter i, s, e;
gboolean res;
char *text;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, haystack, -1);
/* TODO: add test with limit before, after and in the middle
of expected start and end */
/* search from start forward */
gtk_text_buffer_get_start_iter (buffer, &i);
res = gtk_text_iter_forward_search (&i, needle, flags, &s, &e, NULL);
g_assert_true (res);
g_assert_cmpint (expected_start, ==, gtk_text_iter_get_offset (&s));
g_assert_cmpint (expected_end, ==, gtk_text_iter_get_offset (&e));
text = gtk_text_iter_get_text (&s, &e);
g_assert_cmpstr (expected_string, ==, text);
g_free (text);
g_object_unref (buffer);
}
static void
check_found_backward (const char *haystack,
const char *needle,
GtkTextSearchFlags flags,
int expected_start,
int expected_end,
const char *expected_string)
{
GtkTextBuffer *buffer;
GtkTextIter i, s, e;
gboolean res;
char *text;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, haystack, -1);
/* search from end backward */
gtk_text_buffer_get_end_iter (buffer, &i);
res = gtk_text_iter_backward_search (&i, needle, flags, &s, &e, NULL);
g_assert_true (res);
g_assert_cmpint (expected_start, ==, gtk_text_iter_get_offset (&s));
g_assert_cmpint (expected_end, ==, gtk_text_iter_get_offset (&e));
text = gtk_text_iter_get_text (&s, &e);
g_assert_cmpstr (expected_string, ==, text);
g_free (text);
g_object_unref (buffer);
}
static void
check_not_found (const char *haystack,
const char *needle,
GtkTextSearchFlags flags)
{
GtkTextBuffer *buffer;
GtkTextIter i, s, e;
gboolean res;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, haystack, -1);
/* search from start forward */
gtk_text_buffer_get_start_iter (buffer, &i);
res = gtk_text_iter_forward_search (&i, needle, flags, &s, &e, NULL);
g_assert_false (res);
/* search from end backward */
gtk_text_buffer_get_end_iter (buffer, &i);
res = gtk_text_iter_backward_search (&i, needle, flags, &s, &e, NULL);
g_assert_false (res);
g_object_unref (buffer);
}
static void
test_search_full_buffer (void)
{
check_found_forward ("foo", "foo", 0, 0, 3, "foo");
check_found_backward ("foo", "foo", 0, 0, 3, "foo");
check_found_forward ("foo", "foo", GTK_TEXT_SEARCH_CASE_INSENSITIVE, 0, 3, "foo");
check_found_backward ("foo", "foo", GTK_TEXT_SEARCH_CASE_INSENSITIVE, 0, 3, "foo");
check_found_forward ("foo", "Foo", GTK_TEXT_SEARCH_CASE_INSENSITIVE, 0, 3, "foo");
check_found_backward ("foo", "Foo", GTK_TEXT_SEARCH_CASE_INSENSITIVE, 0, 3, "foo");
}
static void
test_search (void)
{
/* simple match */
check_found_forward ("This is some foo text", "foo", 0, 13, 16, "foo");
check_found_backward ("This is some foo text", "foo", 0, 13, 16, "foo");
check_not_found ("This is some foo text", "Foo", 0);
/* different matches for forward and backward */
check_found_forward ("This is some foo foo text", "foo", 0, 13, 16, "foo");
check_found_backward ("This is some foo foo text", "foo", 0, 17, 20, "foo");
/* new lines in the haystack */
check_found_forward ("This is some\nfoo text", "foo", 0, 13, 16, "foo");
check_found_backward ("This is some\nfoo text", "foo", 0, 13, 16, "foo");
check_found_forward ("This is some foo\nfoo text", "foo", 0, 13, 16, "foo");
check_found_backward ("This is some foo\nfoo text", "foo", 0, 17, 20, "foo");
check_not_found ("This is some\nfoo text", "Foo", 0);
/* end of buffer */
check_found_forward ("This is some\ntext foo", "foo", 0, 18, 21, "foo");
check_found_backward ("This is some\ntext foo", "foo", 0, 18, 21, "foo");
check_not_found ("This is some\ntext foo", "Foo", 0);
/* multiple lines in the needle */
check_found_forward ("This is some foo\nfoo text", "foo\nfoo", 0, 13, 20, "foo\nfoo");
check_found_backward ("This is some foo\nfoo text", "foo\nfoo", 0, 13, 20, "foo\nfoo");
check_not_found ("This is some foo\nfoo text", "Foo\nfoo", 0);
/* check also that different composition of utf8 characters
(e.g. accented letters) match */
check_found_forward ("This is some \303\200 text", "\303\200", 0, 13, 14, "\303\200");
check_found_forward ("This is some \303\200 text", "some \303\200", 0, 8, 14, "some \303\200");
check_found_forward ("This is some \303\200 text", "\303\200 text", 0, 13, 19, "\303\200 text");
check_found_forward ("This is some \303\200 text", "some \303\200 text", 0, 8, 19, "some \303\200 text");
check_found_backward ("This is some \303\240 text", "\303\240", 0, 13, 14, "\303\240");
check_found_backward ("This is some \303\240 text", "some \303\240", 0, 8, 14, "some \303\240");
check_found_backward ("This is some \303\240 text", "\303\240 text", 0, 13, 19, "\303\240 text");
check_found_backward ("This is some \303\240 text", "some \303\240 text", 0, 8, 19, "some \303\240 text");
/* multi-byte characters outside the needle */
check_found_forward ("\303\200 aa", "aa", 0, 2, 4, "aa");
check_found_forward ("aa \303\200", "aa", 0, 0, 2, "aa");
check_found_backward ("\303\200 aa", "aa", 0, 2, 4, "aa");
check_found_backward ("aa \303\200", "aa", 0, 0, 2, "aa");
}
static void
test_search_caseless (void)
{
GtkTextSearchFlags flags;
flags = GTK_TEXT_SEARCH_CASE_INSENSITIVE;
/* simple match */
check_found_forward ("This is some foo text", "foo", flags, 13, 16, "foo");
check_found_forward ("This is some foo text", "Foo", flags, 13, 16, "foo");
check_found_forward ("This is some Foo text", "foo", flags, 13, 16, "Foo");
check_found_backward ("This is some foo text", "foo", flags, 13, 16, "foo");
check_found_backward ("This is some foo text", "Foo", flags, 13, 16, "foo");
check_found_backward ("This is some Foo text", "foo", flags, 13, 16, "Foo");
/* check also that different composition of utf8 characters
(e.g. accented letters) match */
/* different matches for forward and backward */
check_found_forward ("This is some foo foo text", "foo", flags, 13, 16, "foo");
check_found_forward ("This is some foo foo text", "Foo", flags, 13, 16, "foo");
check_found_forward ("This is some Foo foo text", "foo", flags, 13, 16, "Foo");
check_found_forward ("This is some \303\200 \303\240 text", "\303\240", flags, 13, 14, "\303\200");
check_found_forward ("This is some \303\200 \303\240 text", "\303\200", flags, 13, 14, "\303\200");
check_found_forward ("This is some \303\200 \303\240 text", "a\314\200", flags, 13, 14, "\303\200");
check_found_backward ("This is some foo foo text", "foo", flags, 17, 20, "foo");
check_found_backward ("This is some foo foo text", "Foo", flags, 17, 20, "foo");
check_found_backward ("This is some foo Foo text", "foo", flags, 17, 20, "Foo");
check_found_backward ("This is some \303\200 \303\240 text", "\303\240", flags, 15, 16, "\303\240");
check_found_backward ("This is some \303\200 \303\240 text", "\303\200", flags, 15, 16, "\303\240");
check_found_backward ("This is some \303\200 \303\240 text", "a\314\200", flags, 15, 16, "\303\240");
/* new lines in the haystack */
check_found_forward ("This is some\nfoo text", "foo", flags, 13, 16, "foo");
check_found_forward ("This is some\nfoo text", "Foo", flags, 13, 16, "foo");
check_found_forward ("This is some\nFoo text", "foo", flags, 13, 16, "Foo");
check_found_forward ("This is some\n\303\200 text", "\303\240", flags, 13, 14, "\303\200");
check_found_forward ("This is some\n\303\200 text", "a\314\200", flags, 13, 14, "\303\200");
check_found_backward ("This is some\nfoo text", "foo", flags, 13, 16, "foo");
check_found_backward ("This is some\nfoo text", "Foo", flags, 13, 16, "foo");
check_found_backward ("This is some\nFoo text", "foo", flags, 13, 16, "Foo");
check_found_backward ("This is some\n\303\200 text", "\303\240", flags, 13, 14, "\303\200");
check_found_backward ("This is some\n\303\200 text", "a\314\200", flags, 13, 14, "\303\200");
check_found_forward ("This is some foo\nfoo text", "foo", flags, 13, 16, "foo");
check_found_forward ("This is some foo\nfoo text", "Foo", flags, 13, 16, "foo");
check_found_forward ("This is some Foo\nfoo text", "foo", flags, 13, 16, "Foo");
check_found_forward ("This is some \303\200\n\303\200 text", "\303\240", flags, 13, 14, "\303\200");
check_found_forward ("This is some \303\200\n\303\200 text", "a\314\200", flags, 13, 14, "\303\200");
check_found_backward ("This is some foo\nfoo text", "foo", flags, 17, 20, "foo");
check_found_backward ("This is some foo\nfoo text", "Foo", flags, 17, 20, "foo");
check_found_backward ("This is some foo\nFoo text", "foo", flags, 17, 20, "Foo");
check_found_backward ("This is some \303\200\n\303\200 text", "\303\240", flags, 15, 16, "\303\200");
check_found_backward ("This is some \303\200\n\303\200 text", "a\314\200", flags, 15, 16, "\303\200");
/* end of buffer */
check_found_forward ("This is some\ntext foo", "foo", flags, 18, 21, "foo");
check_found_forward ("This is some\ntext foo", "Foo", flags, 18, 21, "foo");
check_found_forward ("This is some\ntext Foo", "foo", flags, 18, 21, "Foo");
check_found_forward ("This is some\ntext \303\200", "\303\240", flags, 18, 19, "\303\200");
check_found_forward ("This is some\ntext \303\200", "a\314\200", flags, 18, 19, "\303\200");
check_found_backward ("This is some\ntext foo", "foo", flags, 18, 21, "foo");
check_found_backward ("This is some\ntext foo", "Foo", flags, 18, 21, "foo");
check_found_backward ("This is some\ntext Foo", "foo", flags, 18, 21, "Foo");
check_found_backward ("This is some\ntext \303\200", "\303\240", flags, 18, 19, "\303\200");
check_found_backward ("This is some\ntext \303\200", "a\314\200", flags, 18, 19, "\303\200");
/* multiple lines in the needle */
check_found_forward ("This is some foo\nfoo text", "foo\nfoo", flags, 13, 20, "foo\nfoo");
check_found_forward ("This is some foo\nfoo text", "Foo\nFoo", flags, 13, 20, "foo\nfoo");
check_found_forward ("This is some Foo\nFoo text", "foo\nfoo", flags, 13, 20, "Foo\nFoo");
check_found_forward ("This is some \303\200\n\303\200 text", "\303\240\n\303\240", flags, 13, 16, "\303\200\n\303\200");
check_found_forward ("This is some \303\200\n\303\200 text", "a\314\200\na\314\200", flags, 13, 16, "\303\200\n\303\200");
check_found_backward ("This is some foo\nfoo text", "foo\nfoo", flags, 13, 20, "foo\nfoo");
check_found_backward ("This is some foo\nfoo text", "Foo\nFoo", flags, 13, 20, "foo\nfoo");
check_found_backward ("This is some Foo\nFoo text", "foo\nfoo", flags, 13, 20, "Foo\nFoo");
check_found_backward ("This is some \303\200\n\303\200 text", "\303\240\n\303\240", flags, 13, 16, "\303\200\n\303\200");
check_found_backward ("This is some \303\200\n\303\200 text", "a\314\200\na\314\200", flags, 13, 16, "\303\200\n\303\200");
/* multi-byte characters outside the needle */
check_found_forward ("\303\200 aa", "aa", flags, 2, 4, "aa");
check_found_forward ("aa \303\200", "aa", flags, 0, 2, "aa");
check_found_backward ("\303\200 aa", "aa", flags, 2, 4, "aa");
check_found_backward ("aa \303\200", "aa", flags, 0, 2, "aa");
}
static void
test_forward_to_tag_toggle (void)
{
GtkTextBuffer *buffer;
GtkTextTag *bold_tag;
GtkTextTag *editable_tag;
GtkTextIter iter;
int offset;
gboolean ret;
buffer = gtk_text_buffer_new (NULL);
bold_tag = gtk_text_buffer_create_tag (buffer, "bold",
"weight", PANGO_WEIGHT_BOLD,
NULL);
editable_tag = gtk_text_buffer_create_tag (buffer, "not-editable",
"editable", FALSE,
NULL);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "a", -1);
gtk_text_buffer_insert_with_tags (buffer, &iter, "b", -1, bold_tag, NULL);
gtk_text_buffer_insert_with_tags (buffer, &iter, "c", -1, editable_tag, NULL);
/* Go to the first "on" toggle */
gtk_text_buffer_get_start_iter (buffer, &iter);
ret = gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
g_assert_true (ret);
offset = gtk_text_iter_get_offset (&iter);
g_assert_cmpint (offset, ==, 1);
/* Go to the last "off" toggle for the bold tag */
ret = gtk_text_iter_forward_to_tag_toggle (&iter, bold_tag);
g_assert_true (ret);
offset = gtk_text_iter_get_offset (&iter);
g_assert_cmpint (offset, ==, 2);
ret = gtk_text_iter_forward_to_tag_toggle (&iter, bold_tag);
g_assert_false (ret);
/* Go to the first "on" toggle for the editable tag */
gtk_text_buffer_get_start_iter (buffer, &iter);
ret = gtk_text_iter_forward_to_tag_toggle (&iter, editable_tag);
g_assert_true (ret);
offset = gtk_text_iter_get_offset (&iter);
g_assert_cmpint (offset, ==, 2);
/* Test with the end iter */
gtk_text_buffer_get_end_iter (buffer, &iter);
ret = gtk_text_iter_forward_to_tag_toggle (&iter, editable_tag);
g_assert_false (ret);
g_object_unref (buffer);
}
static void
check_forward_line_end (const char *buffer_text,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_forward_to_line_end (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
test_forward_to_line_end (void)
{
check_forward_line_end("a", 0, 1, FALSE);
check_forward_line_end("a\n", 0, 1, TRUE);
check_forward_line_end("a\r\n", 0, 1, TRUE);
check_forward_line_end("a\na\n", 1, 3, TRUE);
check_forward_line_end("a\na\n\n", 1, 3, TRUE);
check_forward_line_end("a\r\na\n", 1, 4, TRUE);
check_forward_line_end("a\r\na\r\n\r\n", 1, 4, TRUE);
}
static void
check_word_boundaries (const char *buffer_text,
int offset,
gboolean starts_word,
gboolean ends_word,
gboolean inside_word)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
g_assert_cmpint (starts_word, ==, gtk_text_iter_starts_word (&iter));
g_assert_cmpint (ends_word, ==, gtk_text_iter_ends_word (&iter));
g_assert_cmpint (inside_word, ==, gtk_text_iter_inside_word (&iter));
g_object_unref (buffer);
}
static void
check_forward_word_end (const char *buffer_text,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_forward_word_end (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
check_backward_word_start (const char *buffer_text,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_backward_word_start (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
test_word_boundaries (void)
{
/* Test with trivial content. The word boundaries are anyway determined by
* Pango and can change in the future for corner cases.
*/
check_word_boundaries ("ab ", 0, TRUE, FALSE, TRUE);
check_word_boundaries ("ab ", 1, FALSE, FALSE, TRUE);
check_word_boundaries ("ab ", 2, FALSE, TRUE, FALSE);
check_word_boundaries ("ab ", 3, FALSE, FALSE, FALSE);
check_word_boundaries ("", 0, FALSE, FALSE, FALSE);
check_forward_word_end ("ab ", 0, 2, TRUE);
check_forward_word_end ("ab ", 1, 2, TRUE);
check_forward_word_end ("ab ", 2, 2, FALSE);
check_forward_word_end ("ab ", 3, 3, FALSE);
check_forward_word_end ("ab", 0, 2, FALSE);
check_forward_word_end ("ab\n", 2, 2, FALSE);
check_backward_word_start (" ab", 3, 1, TRUE);
check_backward_word_start (" ab", 2, 1, TRUE);
check_backward_word_start (" ab", 1, 1, FALSE);
check_backward_word_start (" ab", 0, 0, FALSE);
check_backward_word_start ("ab", 2, 0, TRUE);
}
static void
check_forward_visible_word_end (GtkTextBuffer *buffer,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextIter iter;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_forward_visible_word_end (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
}
static void
check_backward_visible_word_start (GtkTextBuffer *buffer,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextIter iter;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_backward_visible_word_start (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
}
static void
test_visible_word_boundaries (void)
{
/* Test with trivial content. The word boundaries are anyway determined by
* Pango and can change in the future for corner cases.
*/
GtkTextBuffer *buffer;
GtkTextTag *invisible_tag;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
invisible_tag = gtk_text_buffer_create_tag (buffer, NULL,
"invisible", TRUE,
NULL);
/* Buffer contents: " a b c " with " b " invisible */
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, " a", -1);
gtk_text_buffer_insert_with_tags (buffer, &iter, " b ", -1, invisible_tag, NULL);
gtk_text_buffer_insert (buffer, &iter, "c ", -1);
check_forward_visible_word_end (buffer, 0, 6, TRUE);
check_forward_visible_word_end (buffer, 1, 6, TRUE);
check_forward_visible_word_end (buffer, 2, 6, TRUE);
check_forward_visible_word_end (buffer, 3, 6, TRUE);
check_forward_visible_word_end (buffer, 4, 6, TRUE);
check_forward_visible_word_end (buffer, 5, 6, TRUE);
check_forward_visible_word_end (buffer, 6, 6, FALSE);
check_forward_visible_word_end (buffer, 7, 7, FALSE);
check_backward_visible_word_start (buffer, 7, 5, TRUE); /* FIXME result_offset should be 1 */
check_backward_visible_word_start (buffer, 6, 5, TRUE); /* FIXME result_offset should be 1 */
check_backward_visible_word_start (buffer, 5, 1, TRUE);
check_backward_visible_word_start (buffer, 4, 1, TRUE);
check_backward_visible_word_start (buffer, 3, 1, TRUE);
check_backward_visible_word_start (buffer, 2, 1, TRUE);
check_backward_visible_word_start (buffer, 1, 1, FALSE);
check_backward_visible_word_start (buffer, 0, 0, FALSE);
gtk_text_buffer_set_text (buffer, "ab", -1);
check_forward_visible_word_end (buffer, 0, 2, FALSE);
/* Buffer contents: "b c " with "b" invisible */
gtk_text_buffer_set_text (buffer, "", -1);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert_with_tags (buffer, &iter, "b", -1, invisible_tag, NULL);
gtk_text_buffer_insert (buffer, &iter, " c ", -1);
check_forward_visible_word_end (buffer, 0, 1, TRUE); /* FIXME result_offset should be 3 */
g_object_unref (buffer);
}
static void
check_is_cursor_position (const char *buffer_text,
int offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
g_assert_cmpint (ret, ==, gtk_text_iter_is_cursor_position (&iter));
g_object_unref (buffer);
}
static void
check_cursor_position (const char *buffer_text,
gboolean forward,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
if (forward)
g_assert_cmpint (ret, ==, gtk_text_iter_forward_cursor_position (&iter));
else
g_assert_cmpint (ret, ==, gtk_text_iter_backward_cursor_position (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
test_cursor_positions (void)
{
check_is_cursor_position ("a\r\n", 0, TRUE);
check_is_cursor_position ("a\r\n", 1, TRUE);
check_is_cursor_position ("a\r\n", 2, FALSE);
check_is_cursor_position ("a\r\n", 3, TRUE);
check_is_cursor_position ("", 0, TRUE);
/* forward */
check_cursor_position ("a\r\nb", TRUE, 0, 1, TRUE);
check_cursor_position ("a\r\nb", TRUE, 1, 3, TRUE);
check_cursor_position ("a\r\nb", TRUE, 2, 3, TRUE);
check_cursor_position ("a\r\nb", TRUE, 3, 4, FALSE);
check_cursor_position ("a\r\nb", TRUE, 4, 4, FALSE);
check_cursor_position ("a\n", TRUE, 1, 2, FALSE);
/* backward */
check_cursor_position ("a\r\nb", FALSE, 4, 3, TRUE);
check_cursor_position ("a\r\nb", FALSE, 3, 1, TRUE);
check_cursor_position ("a\r\nb", FALSE, 2, 1, TRUE);
check_cursor_position ("a\r\nb", FALSE, 1, 0, TRUE);
check_cursor_position ("a\r\nb", FALSE, 0, 0, FALSE);
}
static void
check_visible_cursor_position (GtkTextBuffer *buffer,
gboolean forward,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextIter iter;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
if (forward)
g_assert_cmpint (ret, ==, gtk_text_iter_forward_visible_cursor_position (&iter));
else
g_assert_cmpint (ret, ==, gtk_text_iter_backward_visible_cursor_position (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
}
static void
test_visible_cursor_positions (void)
{
GtkTextBuffer *buffer;
GtkTextTag *invisible_tag;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
invisible_tag = gtk_text_buffer_create_tag (buffer, NULL,
"invisible", TRUE,
NULL);
/* Buffer contents: "abcd" with 'bc' invisible */
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "a", -1);
gtk_text_buffer_insert_with_tags (buffer, &iter, "bc", -1, invisible_tag, NULL);
gtk_text_buffer_insert (buffer, &iter, "d", -1);
/* forward */
check_visible_cursor_position (buffer, TRUE, 0, 3, TRUE);
check_visible_cursor_position (buffer, TRUE, 1, 3, TRUE);
check_visible_cursor_position (buffer, TRUE, 2, 3, TRUE);
check_visible_cursor_position (buffer, TRUE, 3, 4, FALSE);
check_visible_cursor_position (buffer, TRUE, 4, 4, FALSE);
/* backward */
check_visible_cursor_position (buffer, FALSE, 4, 3, TRUE);
check_visible_cursor_position (buffer, FALSE, 3, 0, TRUE);
check_visible_cursor_position (buffer, FALSE, 2, 0, TRUE);
check_visible_cursor_position (buffer, FALSE, 1, 0, TRUE);
check_visible_cursor_position (buffer, FALSE, 0, 0, FALSE);
g_object_unref (buffer);
}
static void
check_sentence_boundaries (const char *buffer_text,
int offset,
gboolean starts_sentence,
gboolean ends_sentence,
gboolean inside_sentence)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
g_assert_cmpint (starts_sentence, ==, gtk_text_iter_starts_sentence (&iter));
g_assert_cmpint (ends_sentence, ==, gtk_text_iter_ends_sentence (&iter));
g_assert_cmpint (inside_sentence, ==, gtk_text_iter_inside_sentence (&iter));
g_object_unref (buffer);
}
static void
check_forward_sentence_end (const char *buffer_text,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_forward_sentence_end (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
check_backward_sentence_start (const char *buffer_text,
int initial_offset,
int result_offset,
gboolean ret)
{
GtkTextBuffer *buffer;
GtkTextIter iter;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_set_text (buffer, buffer_text, -1);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, initial_offset);
g_assert_cmpint (ret, ==, gtk_text_iter_backward_sentence_start (&iter));
g_assert_cmpint (result_offset, ==, gtk_text_iter_get_offset (&iter));
g_object_unref (buffer);
}
static void
test_sentence_boundaries (void)
{
check_sentence_boundaries ("Hi. ", 0, TRUE, FALSE, TRUE);
check_sentence_boundaries ("Hi. ", 1, FALSE, FALSE, TRUE);
check_sentence_boundaries ("Hi. ", 2, FALSE, FALSE, TRUE);
check_sentence_boundaries ("Hi. ", 3, FALSE, TRUE, FALSE);
check_sentence_boundaries ("Hi. ", 4, FALSE, FALSE, FALSE);
check_sentence_boundaries ("", 0, FALSE, FALSE, FALSE);
check_forward_sentence_end ("Hi. ", 0, 3, TRUE);
check_forward_sentence_end ("Hi. ", 1, 3, TRUE);
check_forward_sentence_end ("Hi. ", 2, 3, TRUE);
check_forward_sentence_end ("Hi. ", 3, 3, FALSE);
check_forward_sentence_end ("Hi. ", 4, 4, FALSE);
check_forward_sentence_end ("Hi.", 0, 3, FALSE);
check_forward_sentence_end ("Hi.\n", 3, 3, FALSE);
check_backward_sentence_start (" Hi.", 4, 1, TRUE);
check_backward_sentence_start (" Hi.", 3, 1, TRUE);
check_backward_sentence_start (" Hi.", 2, 1, TRUE);
check_backward_sentence_start (" Hi.", 1, 1, FALSE);
check_backward_sentence_start (" Hi.", 0, 0, FALSE);
}
static void
test_backward_line (void)
{
GtkTextBuffer *buffer;
GtkTextIter iter, start, end;
gboolean ret;
int offset;
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "Hi line 1\nHi line 2", -1);
/* Go to middle of first line */
gtk_text_iter_backward_line (&iter);
gtk_text_iter_set_line_offset (&iter, 4);
/* Now insert some chars with gtk_text_buffer_insert_range() */
gtk_text_buffer_get_end_iter (buffer, &end);
start = end;
gtk_text_iter_backward_cursor_positions (&start, 5);
gtk_text_buffer_insert_range (buffer, &iter, &start, &end);
/* Check we are still at the first line */
g_assert_cmpint (gtk_text_iter_get_line (&iter), ==, 0);
/* Now a call to gtk_text_iter_backward_line() should return TRUE
and move &iter to start of the line, or return FALSE if &iter
was already at start of the line, so in both cases &iter should
be at the start of the line, so check that */
ret = gtk_text_iter_backward_line (&iter);
g_assert_true (ret);
offset = gtk_text_iter_get_line_offset (&iter);
g_assert_cmpint (offset, ==, 0);
g_object_unref (buffer);
}
static void
test_invisible_text (void)
{
GtkTextBuffer *buffer;
GtkTextIter iter, end;
GtkTextTag *tag;
GtkTextTagTable *tags;
char *text;
buffer = gtk_text_buffer_new (NULL);
tag = gtk_text_tag_new ("invisible");
tags = gtk_text_buffer_get_tag_table (buffer);
g_object_set (tag, "invisible", TRUE, NULL);
gtk_text_tag_table_add (tags, tag);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "one ", -1);
gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, "two three", -1, "invisible", NULL);
gtk_text_buffer_insert (buffer, &iter, " four", -1);
gtk_text_buffer_get_start_iter (buffer, &iter);
gtk_text_buffer_get_end_iter (buffer, &end);
gtk_text_iter_forward_visible_word_end (&iter);
text = gtk_text_buffer_get_text (buffer, &iter, &end, TRUE);
g_assert_cmpstr (text, ==, " two three four");
g_free (text);
gtk_text_iter_forward_word_end (&iter);
text = gtk_text_buffer_get_text (buffer, &iter, &end, TRUE);
g_assert_cmpstr (text, ==, " three four");
g_free (text);
gtk_text_iter_forward_visible_word_end (&iter);
text = gtk_text_buffer_get_text (buffer, &iter, &end, TRUE);
g_assert_cmpstr (text, ==, " four");
g_free (text);
gtk_text_iter_forward_visible_word_end (&iter);
g_assert_true (gtk_text_iter_equal (&iter, &end));
g_object_unref (buffer);
}
int
main (int argc, char** argv)
{
gtk_test_init (&argc, &argv);
g_test_add_func ("/TextIter/Search Empty", test_empty_search);
g_test_add_func ("/TextIter/Search Full Buffer", test_search_full_buffer);
g_test_add_func ("/TextIter/Search", test_search);
g_test_add_func ("/TextIter/Search Caseless", test_search_caseless);
g_test_add_func ("/TextIter/Forward To Tag Toggle", test_forward_to_tag_toggle);
g_test_add_func ("/TextIter/Forward To Line End", test_forward_to_line_end);
g_test_add_func ("/TextIter/Word Boundaries", test_word_boundaries);
g_test_add_func ("/TextIter/Visible Word Boundaries", test_visible_word_boundaries);
g_test_add_func ("/TextIter/Cursor Positions", test_cursor_positions);
g_test_add_func ("/TextIter/Visible Cursor Positions", test_visible_cursor_positions);
g_test_add_func ("/TextIter/Sentence Boundaries", test_sentence_boundaries);
g_test_add_func ("/TextIter/Backward line", test_backward_line);
g_test_add_func ("/TextIter/Invisible text", test_invisible_text);
return g_test_run();
}