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 #ifndef HB_TEST_H 28 #define HB_TEST_H 29 30 #ifdef HAVE_CONFIG_H 31 #include <config.h> 32 #endif 33 34 #include <hb-glib.h> 35 36 #include <stdlib.h> 37 #include <string.h> 38 #include <stdio.h> 39 40 HB_BEGIN_DECLS 41 42 /* Just in case */ 43 #undef G_DISABLE_ASSERT 44 45 #define HB_UNUSED G_GNUC_UNUSED 46 47 /* Misc */ 48 49 /* This is too ugly to be public API, but quite handy. */ 50 #define HB_TAG_CHAR4(s) (HB_TAG(((const char *) s)[0], \ 51 ((const char *) s)[1], \ 52 ((const char *) s)[2], \ 53 ((const char *) s)[3])) 54 55 56 static inline const char * 57 srcdir (void) 58 { 59 static const char *s; 60 61 if (!s) { 62 s = getenv ("srcdir"); 63 64 #ifdef SRCDIR 65 if (!s || !s[0]) 66 s = SRCDIR; 67 #endif 68 69 if (!s || !s[0]) 70 s = "."; 71 } 72 73 return s; 74 } 75 76 77 /* Helpers */ 78 79 static inline void 80 hb_test_init (int *argc, char ***argv) 81 { 82 g_test_init (argc, argv, NULL); 83 } 84 85 static inline int 86 hb_test_run (void) 87 { 88 return g_test_run (); 89 } 90 91 /* Bugzilla helpers */ 92 93 static inline void 94 hb_test_bug (const char *uri_base, unsigned int number) 95 { 96 char *s = g_strdup_printf ("%u", number); 97 98 g_test_bug_base (uri_base); 99 g_test_bug (s); 100 101 g_free (s); 102 } 103 104 static inline void 105 hb_test_bug_freedesktop (unsigned int number) 106 { 107 hb_test_bug ("http://bugs.freedesktop.org/", number); 108 } 109 110 static inline void 111 hb_test_bug_gnome (unsigned int number) 112 { 113 hb_test_bug ("http://bugzilla.gnome.org/", number); 114 } 115 116 static inline void 117 hb_test_bug_mozilla (unsigned int number) 118 { 119 hb_test_bug ("http://bugzilla.mozilla.org/", number); 120 } 121 122 static inline void 123 hb_test_bug_redhat (unsigned int number) 124 { 125 hb_test_bug ("http://bugzilla.redhat.com/", number); 126 } 127 128 129 /* Wrap glib test functions to simplify. Should have been in glib already. */ 130 131 /* Drops the "test_" prefix and converts '_' to '/'. 132 * Essentially builds test path from function name. */ 133 static inline char * 134 hb_test_normalize_path (const char *path) 135 { 136 char *s, *p; 137 138 g_assert (0 == strncmp (path, "test_", 5)); 139 path += 4; 140 141 s = g_strdup (path); 142 for (p = s; *p; p++) 143 if (*p == '_') 144 *p = '/'; 145 146 return s; 147 } 148 149 150 #if GLIB_CHECK_VERSION(2,25,12) 151 typedef GTestFunc hb_test_func_t; 152 typedef GTestDataFunc hb_test_data_func_t; 153 typedef GTestFixtureFunc hb_test_fixture_func_t; 154 #else 155 typedef void (*hb_test_func_t) (void); 156 typedef void (*hb_test_data_func_t) (gconstpointer user_data); 157 typedef void (*hb_test_fixture_func_t) (void); 158 #endif 159 160 #if !GLIB_CHECK_VERSION(2,30,0) 161 #define g_test_fail() g_error("Test failed") 162 #endif 163 #ifndef g_assert_true 164 #define g_assert_true g_assert 165 #endif 166 #ifndef g_assert_cmpmem 167 #define g_assert_cmpmem(m1, l1, m2, l2) g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0) 168 #endif 169 170 static inline void hb_test_assert_blobs_equal (hb_blob_t *expected_blob, hb_blob_t *actual_blob) 171 { 172 unsigned int expected_length, actual_length; 173 const char *raw_expected = hb_blob_get_data (expected_blob, &expected_length); 174 const char *raw_actual = hb_blob_get_data (actual_blob, &actual_length); 175 g_assert_cmpint(expected_length, ==, actual_length); 176 g_assert_cmpint(0, ==, memcmp(raw_expected, raw_actual, expected_length)); 177 } 178 179 static inline void 180 hb_test_add_func (const char *test_path, 181 hb_test_func_t test_func) 182 { 183 char *normal_path = hb_test_normalize_path (test_path); 184 g_test_add_func (normal_path, test_func); 185 g_free (normal_path); 186 } 187 #define hb_test_add(Func) hb_test_add_func (#Func, Func) 188 189 static inline void 190 hb_test_add_func_flavor (const char *test_path, 191 const char *flavor, 192 hb_test_func_t test_func) 193 { 194 char *path = g_strdup_printf ("%s/%s", test_path, flavor); 195 hb_test_add_func (path, test_func); 196 g_free (path); 197 } 198 #define hb_test_add_flavor(Flavor, Func) hb_test_add_func (#Func, Flavor, Func) 199 200 static inline void 201 hb_test_add_data_func (const char *test_path, 202 gconstpointer test_data, 203 hb_test_data_func_t test_func) 204 { 205 char *normal_path = hb_test_normalize_path (test_path); 206 g_test_add_data_func (normal_path, test_data, test_func); 207 g_free (normal_path); 208 } 209 #define hb_test_add_data(UserData, Func) hb_test_add_data_func (#Func, UserData, Func) 210 211 static inline void 212 hb_test_add_data_func_flavor (const char *test_path, 213 const char *flavor, 214 gconstpointer test_data, 215 hb_test_data_func_t test_func) 216 { 217 char *path = g_strdup_printf ("%s/%s", test_path, flavor); 218 hb_test_add_data_func (path, test_data, test_func); 219 g_free (path); 220 } 221 #define hb_test_add_data_flavor(UserData, Flavor, Func) hb_test_add_data_func_flavor (#Func, Flavor, UserData, Func) 222 223 224 static inline void 225 hb_test_add_vtable (const char *test_path, 226 gsize data_size, 227 gconstpointer test_data, 228 hb_test_fixture_func_t data_setup, 229 hb_test_fixture_func_t data_test, 230 hb_test_fixture_func_t data_teardown) 231 { 232 char *normal_path = hb_test_normalize_path (test_path); 233 g_test_add_vtable (normal_path, data_size, test_data, data_setup, data_test, data_teardown); 234 g_free (normal_path); 235 } 236 #define hb_test_add_fixture(FixturePrefix, UserData, Func) \ 237 G_STMT_START { \ 238 typedef G_PASTE (FixturePrefix, _t) Fixture; \ 239 void (*add_vtable) (const char*, gsize, gconstpointer, \ 240 void (*) (Fixture*, gconstpointer), \ 241 void (*) (Fixture*, gconstpointer), \ 242 void (*) (Fixture*, gconstpointer)) \ 243 = (void (*) (const gchar *, gsize, gconstpointer, \ 244 void (*) (Fixture*, gconstpointer), \ 245 void (*) (Fixture*, gconstpointer), \ 246 void (*) (Fixture*, gconstpointer))) hb_test_add_vtable; \ 247 add_vtable (#Func, sizeof (G_PASTE (FixturePrefix, _t)), UserData, \ 248 G_PASTE (FixturePrefix, _init), Func, G_PASTE (FixturePrefix, _finish)); \ 249 } G_STMT_END 250 251 static inline void 252 hb_test_add_vtable_flavor (const char *test_path, 253 const char *flavor, 254 gsize data_size, 255 gconstpointer test_data, 256 hb_test_fixture_func_t data_setup, 257 hb_test_fixture_func_t data_test, 258 hb_test_fixture_func_t data_teardown) 259 { 260 char *path = g_strdup_printf ("%s/%s", test_path, flavor); 261 hb_test_add_vtable (path, data_size, test_data, data_setup, data_test, data_teardown); 262 g_free (path); 263 } 264 #define hb_test_add_fixture_flavor(FixturePrefix, UserData, Flavor, Func) \ 265 G_STMT_START { \ 266 typedef G_PASTE (FixturePrefix, _t) Fixture; \ 267 void (*add_vtable) (const char*, const char *, gsize, gconstpointer, \ 268 void (*) (Fixture*, gconstpointer), \ 269 void (*) (Fixture*, gconstpointer), \ 270 void (*) (Fixture*, gconstpointer)) \ 271 = (void (*) (const gchar *, const char *, gsize, gconstpointer, \ 272 void (*) (Fixture*, gconstpointer), \ 273 void (*) (Fixture*, gconstpointer), \ 274 void (*) (Fixture*, gconstpointer))) hb_test_add_vtable_flavor; \ 275 add_vtable (#Func, Flavor, sizeof (G_PASTE (FixturePrefix, _t)), UserData, \ 276 G_PASTE (FixturePrefix, _init), Func, G_PASTE (FixturePrefix, _finish)); \ 277 } G_STMT_END 278 279 280 static inline hb_face_t * 281 hb_test_open_font_file (const char *font_path) 282 { 283 #if GLIB_CHECK_VERSION(2,37,2) 284 char *path = g_test_build_filename (G_TEST_DIST, font_path, NULL); 285 #else 286 char *path = g_strdup (font_path); 287 #endif 288 289 hb_blob_t *blob = hb_blob_create_from_file (path); 290 hb_face_t *face; 291 if (hb_blob_get_length (blob) == 0) 292 g_error ("Font %s not found.", path); 293 294 face = hb_face_create (blob, 0); 295 hb_blob_destroy (blob); 296 297 g_free (path); 298 299 return face; 300 } 301 302 HB_END_DECLS 303 304 #endif /* HB_TEST_H */ 305