/* Pango * test-bidi.c: Test bidi apis * * Copyright (C) 2021 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 G_GNUC_BEGIN_IGNORE_DEPRECATIONS static void test_mirror_char (void) { /* just some samples */ struct { gunichar a; gunichar b; } tests[] = { { '(', ')' }, { '<', '>' }, { '[', ']' }, { '{', '}' }, { 0x00ab, 0x00bb }, { 0x2045, 0x2046 }, { 0x226e, 0x226f }, }; for (int i = 0; i < G_N_ELEMENTS (tests); i++) { gboolean ret; gunichar ch; ret = pango_get_mirror_char (tests[i].a, &ch); g_assert_true (ret); g_assert_true (ch == tests[i].b); ret = pango_get_mirror_char (tests[i].b, &ch); g_assert_true (ret); g_assert_true (ch == tests[i].a); } } static void test_bidi_type_for_unichar (void) { /* one representative from each class we support */ g_assert_true (pango_bidi_type_for_unichar ('a') == PANGO_BIDI_TYPE_L); g_assert_true (pango_bidi_type_for_unichar (0x202a) == PANGO_BIDI_TYPE_LRE); g_assert_true (pango_bidi_type_for_unichar (0x202d) == PANGO_BIDI_TYPE_LRO); g_assert_true (pango_bidi_type_for_unichar (0x05d0) == PANGO_BIDI_TYPE_R); g_assert_true (pango_bidi_type_for_unichar (0x0627) == PANGO_BIDI_TYPE_AL); g_assert_true (pango_bidi_type_for_unichar (0x202b) == PANGO_BIDI_TYPE_RLE); g_assert_true (pango_bidi_type_for_unichar (0x202e) == PANGO_BIDI_TYPE_RLO); g_assert_true (pango_bidi_type_for_unichar (0x202c) == PANGO_BIDI_TYPE_PDF); g_assert_true (pango_bidi_type_for_unichar ('0') == PANGO_BIDI_TYPE_EN); g_assert_true (pango_bidi_type_for_unichar ('+') == PANGO_BIDI_TYPE_ES); g_assert_true (pango_bidi_type_for_unichar ('#') == PANGO_BIDI_TYPE_ET); g_assert_true (pango_bidi_type_for_unichar (0x601) == PANGO_BIDI_TYPE_AN); g_assert_true (pango_bidi_type_for_unichar (',') == PANGO_BIDI_TYPE_CS); g_assert_true (pango_bidi_type_for_unichar (0x0301) == PANGO_BIDI_TYPE_NSM); g_assert_true (pango_bidi_type_for_unichar (0x200d) == PANGO_BIDI_TYPE_BN); g_assert_true (pango_bidi_type_for_unichar (0x2029) == PANGO_BIDI_TYPE_B); g_assert_true (pango_bidi_type_for_unichar (0x000b) == PANGO_BIDI_TYPE_S); g_assert_true (pango_bidi_type_for_unichar (' ') == PANGO_BIDI_TYPE_WS); g_assert_true (pango_bidi_type_for_unichar ('!') == PANGO_BIDI_TYPE_ON); /* these are new */ g_assert_true (pango_bidi_type_for_unichar (0x2066) == PANGO_BIDI_TYPE_LRI); g_assert_true (pango_bidi_type_for_unichar (0x2067) == PANGO_BIDI_TYPE_RLI); g_assert_true (pango_bidi_type_for_unichar (0x2068) == PANGO_BIDI_TYPE_FSI); g_assert_true (pango_bidi_type_for_unichar (0x2069) == PANGO_BIDI_TYPE_PDI); } static void test_unichar_direction (void) { struct { gunichar ch; PangoDirection dir; } tests[] = { { 'a', PANGO_DIRECTION_LTR }, { '0', PANGO_DIRECTION_NEUTRAL }, { '.', PANGO_DIRECTION_NEUTRAL }, { '(', PANGO_DIRECTION_NEUTRAL }, { 0x05d0, PANGO_DIRECTION_RTL }, }; for (int i = 0; i < G_N_ELEMENTS (tests); i++) { g_assert_true (pango_unichar_direction (tests[i].ch) == tests[i].dir); } } G_GNUC_END_IGNORE_DEPRECATIONS static void test_bidi_embedding_levels (void) { /* Examples taken from https://www.w3.org/International/articles/inline-bidi-markup/uba-basics */ struct { const char *text; PangoDirection dir; const char *levels; PangoDirection out_dir; } tests[] = { { "bahrain مصر kuwait", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, { "bahrain مصر kuwait", PANGO_DIRECTION_WEAK_LTR, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, { "bahrain مصر kuwait", PANGO_DIRECTION_RTL, "\2\2\2\2\2\2\2\1\1\1\1\1\2\2\2\2\2\2", PANGO_DIRECTION_RTL }, { "bahrain مصر kuwait", PANGO_DIRECTION_WEAK_RTL, "\0\0\0\0\0\0\0\0\1\1\1\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, { "The title is مفتاح معايير الويب in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, { "The title is مفتاح معايير الويب, in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, { "The title is مفتاح معايير الويب⁧!⁩ in Arabic.", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\0\0\0\0\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\1\0\0\0\0\0\0\0\0\0\0\0", PANGO_DIRECTION_LTR }, // FIXME { "one two ثلاثة 1234 خمسة", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\1\1\1\2\2\2\2\1\1\1\1\1", PANGO_DIRECTION_LTR }, { "one two ثلاثة ١٢٣٤ خمسة", PANGO_DIRECTION_LTR, "\0\0\0\0\0\0\0\0\1\1\1\1\1\1\2\2\2\2\1\1\1\1\1", PANGO_DIRECTION_LTR }, { "abאב12cd", PANGO_DIRECTION_LTR, "\0\0\1\1\2\2\0\0" }, { "abאב‪xy‬cd", PANGO_DIRECTION_LTR, "\0\0\1\1\1\2\2\2\0\0" }, }; for (int i = 0; i < G_N_ELEMENTS (tests); i++) { const char *text = tests[i].text; PangoDirection dir = tests[i].dir; guint8 *levels; gsize len; levels = pango_log2vis_get_embedding_levels (text, -1, &dir); len = g_utf8_strlen (text, -1); if (memcmp (levels, tests[i].levels, sizeof (guint8) * len) != 0) { for (int j = 0; j < len; j++) g_print ("\\%d", levels[j]); g_print ("\n"); } g_assert_true (memcmp (levels, tests[i].levels, sizeof (guint8) * len) == 0); g_assert_true (dir == tests[i].out_dir); g_free (levels); } } int main (int argc, char *argv[]) { g_test_init (&argc, &argv, NULL); g_test_add_func ("/bidi/mirror-char", test_mirror_char); g_test_add_func ("/bidi/type-for-unichar", test_bidi_type_for_unichar); g_test_add_func ("/bidi/unichar-direction", test_unichar_direction); g_test_add_func ("/bidi/embedding-levels", test_bidi_embedding_levels); return g_test_run (); }