Home | History | Annotate | Download | only in api
      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   /* We already ASSERT_STATIC these in hb-private.h, but anyway */
     36   g_assert_cmpint (sizeof (int8_t), ==, 1);
     37   g_assert_cmpint (sizeof (uint8_t), ==, 1);
     38   g_assert_cmpint (sizeof (int16_t), ==, 2);
     39   g_assert_cmpint (sizeof (uint16_t), ==, 2);
     40   g_assert_cmpint (sizeof (int32_t), ==, 4);
     41   g_assert_cmpint (sizeof (uint32_t), ==, 4);
     42   g_assert_cmpint (sizeof (int64_t), ==, 8);
     43   g_assert_cmpint (sizeof (uint64_t), ==, 8);
     44 
     45   g_assert_cmpint (sizeof (hb_codepoint_t), ==, 4);
     46   g_assert_cmpint (sizeof (hb_position_t), ==, 4);
     47   g_assert_cmpint (sizeof (hb_mask_t), ==, 4);
     48   g_assert_cmpint (sizeof (hb_var_int_t), ==, 4);
     49 }
     50 
     51 static void
     52 test_types_direction (void)
     53 {
     54   g_assert_cmpint ((signed) HB_DIRECTION_INVALID, ==, 0);
     55   g_assert_cmpint (HB_DIRECTION_LTR, !=, 0);
     56 
     57   g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_LTR));
     58   g_assert (HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_RTL));
     59   g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_TTB));
     60   g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_BTT));
     61   g_assert (!HB_DIRECTION_IS_HORIZONTAL (HB_DIRECTION_INVALID));
     62 
     63   g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_LTR));
     64   g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_RTL));
     65   g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_TTB));
     66   g_assert (HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_BTT));
     67   g_assert (!HB_DIRECTION_IS_VERTICAL (HB_DIRECTION_INVALID));
     68 
     69   g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_LTR));
     70   g_assert (HB_DIRECTION_IS_FORWARD (HB_DIRECTION_TTB));
     71   g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_RTL));
     72   g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_BTT));
     73   g_assert (!HB_DIRECTION_IS_FORWARD (HB_DIRECTION_INVALID));
     74 
     75   g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_LTR));
     76   g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_TTB));
     77   g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_RTL));
     78   g_assert (HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_BTT));
     79   g_assert (!HB_DIRECTION_IS_BACKWARD (HB_DIRECTION_INVALID));
     80 
     81   g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_LTR));
     82   g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_TTB));
     83   g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_RTL));
     84   g_assert (HB_DIRECTION_IS_VALID (HB_DIRECTION_BTT));
     85   g_assert (!HB_DIRECTION_IS_VALID (HB_DIRECTION_INVALID));
     86   g_assert (!HB_DIRECTION_IS_VALID ((hb_direction_t) 0x12345678));
     87 
     88   g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_LTR), ==, HB_DIRECTION_RTL);
     89   g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_RTL), ==, HB_DIRECTION_LTR);
     90   g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_TTB), ==, HB_DIRECTION_BTT);
     91   g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_BTT), ==, HB_DIRECTION_TTB);
     92   //g_assert_cmpint (HB_DIRECTION_REVERSE (HB_DIRECTION_INVALID), ==, HB_DIRECTION_INVALID);
     93 
     94   g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string (NULL, -1));
     95   g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("", -1));
     96   g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("t", 0));
     97   g_assert_cmpint (HB_DIRECTION_INVALID, ==, hb_direction_from_string ("x", -1));
     98   g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("r", -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 ("RtL", -1));
    101   g_assert_cmpint (HB_DIRECTION_RTL, ==, hb_direction_from_string ("right-to-left", -1));
    102   g_assert_cmpint (HB_DIRECTION_TTB, ==, hb_direction_from_string ("ttb", -1));
    103 
    104   g_assert (0 == strcmp ("ltr", hb_direction_to_string (HB_DIRECTION_LTR)));
    105   g_assert (0 == strcmp ("rtl", hb_direction_to_string (HB_DIRECTION_RTL)));
    106   g_assert (0 == strcmp ("ttb", hb_direction_to_string (HB_DIRECTION_TTB)));
    107   g_assert (0 == strcmp ("btt", hb_direction_to_string (HB_DIRECTION_BTT)));
    108   g_assert (0 == strcmp ("invalid", hb_direction_to_string (HB_DIRECTION_INVALID)));
    109 }
    110 
    111 static void
    112 test_types_tag (void)
    113 {
    114   g_assert_cmphex (HB_TAG_NONE, ==, 0);
    115 
    116   g_assert_cmphex (HB_TAG ('a','B','c','D'), ==, 0x61426344);
    117 
    118   g_assert_cmphex (hb_tag_from_string ("aBcDe", -1), ==, 0x61426344);
    119   g_assert_cmphex (hb_tag_from_string ("aBcD", -1),  ==, 0x61426344);
    120   g_assert_cmphex (hb_tag_from_string ("aBc", -1),   ==, 0x61426320);
    121   g_assert_cmphex (hb_tag_from_string ("aB", -1),    ==, 0x61422020);
    122   g_assert_cmphex (hb_tag_from_string ("a", -1),     ==, 0x61202020);
    123   g_assert_cmphex (hb_tag_from_string ("aBcDe",  1), ==, 0x61202020);
    124   g_assert_cmphex (hb_tag_from_string ("aBcDe",  2), ==, 0x61422020);
    125   g_assert_cmphex (hb_tag_from_string ("aBcDe",  3), ==, 0x61426320);
    126   g_assert_cmphex (hb_tag_from_string ("aBcDe",  4), ==, 0x61426344);
    127   g_assert_cmphex (hb_tag_from_string ("aBcDe",  4), ==, 0x61426344);
    128 
    129   g_assert_cmphex (hb_tag_from_string ("", -1),      ==, HB_TAG_NONE);
    130   g_assert_cmphex (hb_tag_from_string ("x", 0),      ==, HB_TAG_NONE);
    131   g_assert_cmphex (hb_tag_from_string (NULL, -1),    ==, HB_TAG_NONE);
    132 }
    133 
    134 static void
    135 test_types_script (void)
    136 {
    137   hb_tag_t arab = HB_TAG_CHAR4 ("arab");
    138   hb_tag_t Arab = HB_TAG_CHAR4 ("Arab");
    139   hb_tag_t ARAB = HB_TAG_CHAR4 ("ARAB");
    140 
    141   hb_tag_t wWyZ = HB_TAG_CHAR4 ("wWyZ");
    142   hb_tag_t Wwyz = HB_TAG_CHAR4 ("Wwyz");
    143 
    144   hb_tag_t x123 = HB_TAG_CHAR4 ("x123");
    145 
    146   g_assert_cmpint (HB_SCRIPT_INVALID, ==, (hb_script_t) HB_TAG_NONE);
    147   g_assert_cmphex (HB_SCRIPT_ARABIC, !=, HB_SCRIPT_LATIN);
    148 
    149   g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string (NULL, -1));
    150   g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("", -1));
    151   g_assert_cmphex (HB_SCRIPT_INVALID, ==, hb_script_from_string ("x", 0));
    152   g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x", -1));
    153 
    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 ("ARAB", -1));
    157   g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_string ("Arabic", 6));
    158   g_assert_cmphex (HB_SCRIPT_ARABIC, !=, hb_script_from_string ("Arabic", 3));
    159 
    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   g_assert_cmphex (HB_SCRIPT_ARABIC, ==, hb_script_from_iso15924_tag (ARAB));
    163 
    164   /* Arbitrary tags that look like may be valid ISO 15924 should be preserved. */
    165   g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_string ("wWyZ", -1));
    166   g_assert_cmphex (HB_SCRIPT_UNKNOWN, !=, hb_script_from_iso15924_tag (wWyZ));
    167   /* Otherwise, UNKNOWN should be returned. */
    168   g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_string ("x123", -1));
    169   g_assert_cmphex (HB_SCRIPT_UNKNOWN, ==, hb_script_from_iso15924_tag (x123));
    170 
    171   g_assert_cmphex (hb_script_to_iso15924_tag (HB_SCRIPT_ARABIC), ==, Arab);
    172   g_assert_cmphex (hb_script_to_iso15924_tag (hb_script_from_iso15924_tag (wWyZ)), ==, Wwyz);
    173 
    174   g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_LATIN), ==, HB_DIRECTION_LTR);
    175   g_assert_cmpint (hb_script_get_horizontal_direction (HB_SCRIPT_ARABIC), ==, HB_DIRECTION_RTL);
    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