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
32static void
33test_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
51static void
52test_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
111static void
112test_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
134static void
135test_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
179static void
180test_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
213int
214main (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