136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/* Pango
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* test-ellipsize.c: Test Pango harfbuzz apis
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*
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* Copyright (C) 2019 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <pango/pango.h>
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#include <pango/pangocairo.h>
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#include "test-common.h"
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/* Test that ellipsization does not change the height of a layout.
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* See https://gitlab.gnome.org/GNOME/pango/issues/397
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*/
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static void
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test_ellipsize_height (void)
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{
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PangoFontMap *fontmap;
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PangoContext *context;
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PangoLayout *layout;
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int height1, height2;
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PangoFontDescription *desc;
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fontmap = pango_cairo_font_map_new ();
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context = pango_font_map_create_context (fontmap);
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layout = pango_layout_new (context);
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desc = pango_font_description_from_string ("Fixed 7");
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//pango_layout_set_font_description (layout, desc);
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pango_font_description_free (desc);
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pango_layout_set_text (layout, "some text that should be ellipsized", -1);
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g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
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pango_layout_get_size (layout, NULL, &height1);
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pango_layout_set_width (layout, 100 * PANGO_SCALE);
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pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
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g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
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g_assert_cmpint (pango_layout_is_ellipsized (layout), ==, 1);
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pango_layout_get_size (layout, NULL, &height2);
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g_assert_cmpint (height1, ==, height2);
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g_object_unref (layout);
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g_object_unref (context);
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g_object_unref (fontmap);
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}
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/* Test that ellipsization without attributes does not crash
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*/
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static void
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test_ellipsize_crash (void)
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{
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PangoFontMap *fontmap;
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PangoContext *context;
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PangoLayout *layout;
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fontmap = pango_cairo_font_map_new ();
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context = pango_font_map_create_context (fontmap);
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layout = pango_layout_new (context);
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pango_layout_set_text (layout, "some text that should be ellipsized", -1);
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g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
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pango_layout_set_width (layout, 100 * PANGO_SCALE);
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pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
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g_assert_cmpint (pango_layout_get_line_count (layout), ==, 1);
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g_assert_cmpint (pango_layout_is_ellipsized (layout), ==, 1);
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g_object_unref (layout);
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g_object_unref (context);
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g_object_unref (fontmap);
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}
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/* Check that the width of a fully ellipsized paragraph
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* is the same as that of an explicit ellipsis.
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*/
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static void
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test_ellipsize_fully (void)
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{
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PangoFontMap *fontmap;
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PangoContext *context;
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PangoLayout *layout;
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PangoRectangle ink, logical;
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PangoRectangle ink2, logical2;
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fontmap = pango_cairo_font_map_new ();
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context = pango_font_map_create_context (fontmap);
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layout = pango_layout_new (context);
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pango_layout_set_text (layout, "…", -1);
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pango_layout_get_extents (layout, &ink, &logical);
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pango_layout_set_text (layout, "ellipsized", -1);
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pango_layout_set_width (layout, 10 * PANGO_SCALE);
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pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
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pango_layout_get_extents (layout, &ink2, &logical2);
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g_assert_cmpint (ink.width, ==, ink2.width);
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g_assert_cmpint (logical.width, ==, logical2.width);
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g_object_unref (layout);
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g_object_unref (context);
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g_object_unref (fontmap);
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/layout/ellipsize/height", test_ellipsize_height);
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g_test_add_func ("/layout/ellipsize/crash", test_ellipsize_crash);
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g_test_add_func ("/layout/ellipsize/fully", test_ellipsize_fully);
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return g_test_run ();
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}
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