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/* Pango
* test-ellipsize.c: Test Pango harfbuzz apis
*
* Copyright (C) 2019 Red Hat, Inc.
*
* 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 <pango/pango.h>
#include <pango/pangocairo.h>
#include "test-common.h"
static PangoContext *context;
/* Test that ellipsization does not change the height of a layout.
* See https://gitlab.gnome.org/GNOME/pango/issues/397
*/
static void
test_ellipsize_height (void)
{
PangoLayout *layout;
int height1, height2;
PangoFontDescription *desc;
layout = pango_layout_new (context);
desc = pango_font_description_from_string ("Fixed 7");
//pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_set_text (layout, "some text that should be ellipsized", -1);
g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
pango_layout_get_size (layout, NULL, &height1);
pango_layout_set_width (layout, 100 * PANGO_SCALE);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
g_assert_cmpint (pango_layout_is_ellipsized (layout), ==, 1);
pango_layout_get_size (layout, NULL, &height2);
g_assert_cmpint (height1, ==, height2);
g_object_unref (layout);
}
/* Test that ellipsization without attributes does not crash
*/
static void
test_ellipsize_crash (void)
{
PangoLayout *layout;
layout = pango_layout_new (context);
pango_layout_set_text (layout, "some text that should be ellipsized", -1);
g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
pango_layout_set_width (layout, 100 * PANGO_SCALE);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
g_assert_cmpint (pango_layout_is_ellipsized (layout), ==, 1);
g_object_unref (layout);
}
/* Check that the width of a fully ellipsized paragraph
* is the same as that of an explicit ellipsis.
*/
static void
test_ellipsize_fully (void)
{
PangoLayout *layout;
PangoRectangle ink, logical;
PangoRectangle ink2, logical2;
layout = pango_layout_new (context);
pango_layout_set_text (layout, "…", -1);
pango_layout_get_extents (layout, &ink, &logical);
pango_layout_set_text (layout, "ellipsized", -1);
pango_layout_set_width (layout, 10 * PANGO_SCALE);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
pango_layout_get_extents (layout, &ink2, &logical2);
g_assert_cmpint (ink.width, ==, ink2.width);
g_assert_cmpint (logical.width, ==, logical2.width);
g_object_unref (layout);
}
int
main (int argc, char *argv[])
{
PangoFontMap *fontmap;
fontmap = pango_cairo_font_map_get_default ();
context = pango_font_map_create_context (fontmap);
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/layout/ellipsize/height", test_ellipsize_height);
g_test_add_func ("/layout/ellipsize/crash", test_ellipsize_crash);
g_test_add_func ("/layout/ellipsize/fully", test_ellipsize_fully);
return g_test_run ();
}
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