summaryrefslogtreecommitdiff
path: root/tests/testmisc.c
blob: 06b39a7aa8c1e5c349609cd2adb5901abdeebb79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/* Pango
 * testmisc.c: Test program for miscellaneous things
 *
 * Copyright (C) 2020 Matthias Clasen
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "config.h"
#include <glib.h>
#include <pango/pangocairo.h>

/* test that we don't crash in shape_tab when the layout
 * is such that we don't have effective attributes
 */
static void
test_shape_tab_crash (void)
{
  PangoContext *context;
  PangoLayout *layout;

  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
  layout = pango_layout_new (context);
  pango_layout_set_text (layout, "one\ttwo", -1);
  pango_layout_is_ellipsized (layout);

  g_object_unref (layout);
  g_object_unref (context);
}

/* Test that itemizing a string with 0 characters works
 */
static void
test_itemize_empty_crash (void)
{
  PangoContext *context;

  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
  pango_itemize_with_base_dir (context, PANGO_DIRECTION_LTR, "", 0, 1, NULL, NULL);

  g_object_unref (context);
}

static void
test_itemize_utf8 (void)
{
  PangoContext *context;
  GList *result = NULL;

  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
  result = pango_itemize_with_base_dir (context, PANGO_DIRECTION_LTR, "\xc3\xa1\na", 3, 1, NULL, NULL);
  g_assert (result != NULL);

  g_list_free_full (result, (GDestroyNotify)pango_item_free);
  g_object_unref (context);
}

/* Test that pango_layout_set_text (layout, "short", 200)
 * does not lead to a crash. (pidgin does this)
 */
static void
test_short_string_crash (void)
{
  PangoContext *context;
  PangoLayout *layout;
  int width, height;

  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
  layout = pango_layout_new (context);
  pango_layout_set_text (layout, "short text", 200);
  pango_layout_get_pixel_size (layout, &width, &height);

  g_object_unref (layout);
  g_object_unref (context);
}

static void
test_language_emoji_crash (void)
{
  PangoLanguage *lang;
  const PangoScript *scripts;
  int num;

  lang = pango_language_from_string ("und-zsye");
  scripts = pango_language_get_scripts (lang, &num);

  g_assert (num >= 0);
  g_assert (scripts == NULL || num > 0);
}

static void
test_line_height (void)
{
  PangoContext *context;
  PangoLayout *layout;
  PangoLayoutLine *line;
  int height = 0;

  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
  layout = pango_layout_new (context);
  pango_layout_set_text (layout, "one\ttwo", -1);
  line = pango_layout_get_line_readonly (layout, 0);
  pango_layout_line_get_height (line, &height);

  g_assert_cmpint (height, >, 0);

  g_object_unref (layout);
  g_object_unref (context);
}

int
main (int argc, char *argv[])
{
  g_test_init (&argc, &argv, NULL);

  g_test_add_func ("/layout/shape-tab-crash", test_shape_tab_crash);
  g_test_add_func ("/layout/itemize-empty-crash", test_itemize_empty_crash);
  g_test_add_func ("/layout/itemize-utf8", test_itemize_utf8);
  g_test_add_func ("/layout/short-string-crash", test_short_string_crash);
  g_test_add_func ("/language/emoji-crash", test_language_emoji_crash);
  g_test_add_func ("/layout/line-height", test_line_height);

  return g_test_run ();
}