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/* 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);
}
static void
test_attr_list_update (void)
{
PangoAttribute *weight_attr;
PangoAttrList *list;
weight_attr = pango_attr_weight_new (700);
weight_attr->start_index = 4;
weight_attr->end_index = 6;
list = pango_attr_list_new();
pango_attr_list_insert (list, weight_attr);
g_assert_cmpuint (weight_attr->start_index, ==, 4);
g_assert_cmpuint (weight_attr->end_index, ==, 6);
// Delete 1 byte at position 2
pango_attr_list_update (list, 2, 1, 0);
g_assert_cmpuint (weight_attr->start_index, ==, 3);
g_assert_cmpuint (weight_attr->end_index, ==, 5);
pango_attr_list_unref (list);
}
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);
g_test_add_func ("/attr-list/update", test_attr_list_update);
return g_test_run ();
}
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