1 /* 2 * Copyright 2011 Google, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #include "hb-test.h" 28 29 /* Unit tests for hb-common.h */ 30 31 32 static void 33 test_types_int (void) 34 { 35 g_assert_cmpint (sizeof (int8_t), ==, 1); 36 g_assert_cmpint (sizeof (uint8_t), ==, 1); 37 g_assert_cmpint (sizeof (int16_t), ==, 2); 38 g_assert_cmpint (sizeof (uint16_t), ==, 2); 39 g_assert_cmpint (sizeof (int32_t), ==, 4); 40 g_assert_cmpint (sizeof (uint32_t), ==, 4); 41 g_assert_cmpint (sizeof (int64_t), ==, 8); 42 g_assert_cmpint (sizeof (uint64_t), ==, 8); 43 44 g_assert_cmpint (sizeof (hb_codepoint_t), ==, 4); 45 g_assert_cmpint (sizeof (hb_position_t), ==, 4); 46 g_assert_cmpint (sizeof (hb_mask_t), ==, 4); 47 g_assert_cmpint (sizeof (hb_var_int_t), ==, 4); 48 } 49 50 static void 51 test_types_direction (void) 52 { 53 g_assert_cmpint ((signed) HB_DIRECTION_INVALID, ==, 0); 54 g_assert_cmpint (HB_DIRECTION_LTR, !=, 0); 55 56 g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_LTR)); 57 g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_RTL)); 58 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_TTB)); 59 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_BTT)); 60 g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_INVALID)); 61 62 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_LTR)); 63 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_RTL)); 64 g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_TTB)); 65 g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_BTT)); 66 g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_INVALID)); 67 68 g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_LTR)); 69 g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_TTB)); 70 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_RTL)); 71 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_BTT)); 72 g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_INVALID)); 73 74 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_LTR)); 75 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_TTB)); 76 g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_RTL)); 77 g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_BTT)); 78 g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_INVALID)); 79 80 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_LTR)); 81 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_TTB)); 82 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_RTL)); 83 g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_BTT)); 84 g_assert (!HB_DIRECTION_IS_VALID (HB_DIRECTION_INVALID)); 85 g_assert (!HB_DIRECTION_IS_VALID ((hb_direction_t) 0x12345678)); 86 87 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_LTR), ==, HB_DIRECTION_RTL); 88 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_RTL), ==, HB_DIRECTION_LTR); 89 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_TTB), ==, HB_DIRECTION_BTT); 90 g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_BTT), ==, HB_DIRECTION_TTB); 91 //g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_INVALID), ==, HB_DIRECTION_INVALID); 92 93 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string (NULL, -1)); 94 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("", -1)); 95 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("t", 0)); 96 g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("x", -1)); 97 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("r", -1)); 98 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("rtl", -1)); 99 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("RtL", -1)); 100 g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("right-to-left", -1)); 101 g_assert_cmpint (HB_DIRECTION_TTB, ==, hb_direction_from_string ("ttb", -1)); 102 103 g_assert (0 == strcmp ("ltr", hb_direction_to_string (HB_DIRECTION_LTR))); 104 g_assert (0 == strcmp ("rtl", hb_direction_to_string (HB_DIRECTION_RTL))); 105 g_assert (0 == strcmp ("ttb", hb_direction_to_string (HB_DIRECTION_TTB))); 106 g_assert (0 == strcmp ("btt", hb_direction_to_string (HB_DIRECTION_BTT))); 107 g_assert (0 == strcmp ("invalid", hb_direction_to_string (HB_DIRECTION_INVALID))); 108 } 109 110 static void 111 test_types_tag (void) 112 { 113 g_assert_cmphex (HB_TAG_NONE, ==, 0); 114 115 g_assert_cmphex (HB_TAG ('a','B','c','D'), ==, 0x61426344); 116 117 g_assert_cmphex (hb_tag_from_string ("aBcDe", -1), ==, 0x61426344); 118 g_assert_cmphex (hb_tag_from_string ("aBcD", -1), ==, 0x61426344); 119 g_assert_cmphex (hb_tag_from_string ("aBc", -1), ==, 0x61426320); 120 g_assert_cmphex (hb_tag_from_string ("aB", -1), ==, 0x61422020); 121 g_assert_cmphex (hb_tag_from_string ("a", -1), ==, 0x61202020); 122 g_assert_cmphex (hb_tag_from_string ("aBcDe", 1), ==, 0x61202020); 123 g_assert_cmphex (hb_tag_from_string ("aBcDe", 2), ==, 0x61422020); 124 g_assert_cmphex (hb_tag_from_string ("aBcDe", 3), ==, 0x61426320); 125 g_assert_cmphex (hb_tag_from_string ("aBcDe", 4), ==, 0x61426344); 126 g_assert_cmphex (hb_tag_from_string ("aBcDe", 4), ==, 0x61426344); 127 128 g_assert_cmphex (hb_tag_from_string ("", -1), ==, HB_TAG_NONE); 129 g_assert_cmphex (hb_tag_from_string ("x", 0), ==, HB_TAG_NONE); 130 g_assert_cmphex (hb_tag_from_string (NULL, -1), ==, HB_TAG_NONE); 131 } 132 133 static void 134 test_types_script (void) 135 { 136 hb_tag_t arab = HB_TAG_CHAR4 ("arab"); 137 hb_tag_t Arab = HB_TAG_CHAR4 ("Arab"); 138 hb_tag_t ARAB = HB_TAG_CHAR4 ("ARAB"); 139 140 hb_tag_t wWyZ = HB_TAG_CHAR4 ("wWyZ"); 141 hb_tag_t Wwyz = HB_TAG_CHAR4 ("Wwyz"); 142 143 hb_tag_t x123 = HB_TAG_CHAR4 ("x123"); 144 145 g_assert_cmpint (HB_SCRIPT_INVALID, ==, (hb_script_t) HB_TAG_NONE); 146 g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN); 147 148 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string (NULL, -1)); 149 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("", -1)); 150 g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("x", 0)); 151 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x", -1)); 152 153 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("arab", -1)); 154 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arab", -1)); 155 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("ARAB", -1)); 156 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arabic", 6)); 157 g_assert_cmphex (HB_SCRIPT_ARABIC, !=, hb_script_from_string ("Arabic", 3)); 158 159 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (arab)); 160 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (Arab)); 161 g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (ARAB)); 162 163 /* Arbitrary tags that look like may be valid ISO 15924 should be preserved. */ 164 g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_string ("wWyZ", -1)); 165 g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_iso15924_tag (wWyZ)); 166 /* Otherwise, UNKNOWN should be returned. */ 167 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x123", -1)); 168 g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_iso15924_tag (x123)); 169 170 g_assert_cmphex (hb_script_to_iso15924_tag (HB_SCRIPT_ARABIC), ==, Arab); 171 g_assert_cmphex (hb_script_to_iso15924_tag (hb_script_from_iso15924_tag (wWyZ)), ==, Wwyz); 172 173 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_LATIN), ==, HB_DIRECTION_LTR); 174 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_ARABIC), ==, HB_DIRECTION_RTL); 175 g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_OLD_ITALIC), ==, HB_DIRECTION_INVALID); 176 g_assert_cmpint (hb_script_get_horizontal_direction (hb_script_from_iso15924_tag (wWyZ)), ==, HB_DIRECTION_LTR); 177 } 178 179 static void 180 test_types_language (void) 181 { 182 hb_language_t fa = hb_language_from_string ("fa", -1); 183 hb_language_t fa_IR = hb_language_from_string ("fa_IR", -1); 184 hb_language_t fa_ir = hb_language_from_string ("fa-ir", -1); 185 hb_language_t en = hb_language_from_string ("en", -1); 186 187 g_assert (HB_LANGUAGE_INVALID == NULL); 188 189 g_assert (fa != NULL); 190 g_assert (fa_IR != NULL); 191 g_assert (fa_IR == fa_ir); 192 193 g_assert (en != NULL); 194 g_assert (en != fa); 195 196 /* Test recall */ 197 g_assert (en == hb_language_from_string ("en", -1)); 198 g_assert (en == hb_language_from_string ("eN", -1)); 199 g_assert (en == hb_language_from_string ("Enx", 2)); 200 201 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string (NULL, -1)); 202 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("", -1)); 203 g_assert (HB_LANGUAGE_INVALID == hb_language_from_string ("en", 0)); 204 g_assert (HB_LANGUAGE_INVALID != hb_language_from_string ("en", 1)); 205 g_assert (NULL == hb_language_to_string (HB_LANGUAGE_INVALID)); 206 207 /* Not sure how to test this better. Setting env vars 208 * here doesn't sound like the right approach, and I'm 209 * not sure that it even works. */ 210 g_assert (HB_LANGUAGE_INVALID != hb_language_get_default ()); 211 } 212 213 int 214 main (int argc, char **argv) 215 { 216 hb_test_init (&argc, &argv); 217 218 hb_test_add (test_types_int); 219 hb_test_add (test_types_direction); 220 hb_test_add (test_types_tag); 221 hb_test_add (test_types_script); 222 hb_test_add (test_types_language); 223 224 return hb_test_run(); 225 } 226
