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 #include <config.h>
31 
32 #include <hb-glib.h>
33 
34 #include <stdlib.h>
35 #include <string.h>
36 #include <stdio.h>
37 
38 HB_BEGIN_DECLS
39 
40 /* Just in case */
41 #undef G_DISABLE_ASSERT
42 
43 
44 /* Misc */
45 
46 /* This is too ugly to be public API, but quite handy. */
47 #define HB_TAG_CHAR4(s)   (HB_TAG(((const char *) s)[0], \
48 				  ((const char *) s)[1], \
49 				  ((const char *) s)[2], \
50 				  ((const char *) s)[3]))
51 
52 
53 static inline const char *
srcdir(void)54 srcdir (void)
55 {
56   static const char *s;
57 
58   if (!s) {
59     s = getenv ("srcdir");
60 
61 #ifdef SRCDIR
62     if (!s || !s[0])
63       s = SRCDIR;
64 #endif
65 
66     if (!s || !s[0])
67       s = ".";
68   }
69 
70   return s;
71 }
72 
73 
74 /* Helpers */
75 
76 static inline void
hb_test_init(int * argc,char *** argv)77 hb_test_init (int *argc, char ***argv)
78 {
79   g_test_init (argc, argv, NULL);
80 }
81 
82 static inline int
hb_test_run(void)83 hb_test_run (void)
84 {
85   return g_test_run ();
86 }
87 
88 
89 /* Bugzilla helpers */
90 
91 static inline void
hb_test_bug(const char * uri_base,unsigned int number)92 hb_test_bug (const char *uri_base, unsigned int number)
93 {
94   char *s = g_strdup_printf ("%u", number);
95 
96   g_test_bug_base (uri_base);
97   g_test_bug (s);
98 
99   g_free (s);
100 }
101 
102 static inline void
hb_test_bug_freedesktop(unsigned int number)103 hb_test_bug_freedesktop (unsigned int number)
104 {
105   hb_test_bug ("http://bugs.freedesktop.org/", number);
106 }
107 
108 static inline void
hb_test_bug_gnome(unsigned int number)109 hb_test_bug_gnome (unsigned int number)
110 {
111   hb_test_bug ("http://bugzilla.gnome.org/", number);
112 }
113 
114 static inline void
hb_test_bug_mozilla(unsigned int number)115 hb_test_bug_mozilla (unsigned int number)
116 {
117   hb_test_bug ("http://bugzilla.mozilla.org/", number);
118 }
119 
120 static inline void
hb_test_bug_redhat(unsigned int number)121 hb_test_bug_redhat (unsigned int number)
122 {
123   hb_test_bug ("http://bugzilla.redhat.com/", number);
124 }
125 
126 
127 /* Wrap glib test functions to simplify.  Should have been in glib already. */
128 
129 /* Drops the "test_" prefix and converts '_' to '/'.
130  * Essentially builds test path from function name. */
131 static inline char *
hb_test_normalize_path(const char * path)132 hb_test_normalize_path (const char *path)
133 {
134   char *s, *p;
135 
136   g_assert (0 == strncmp (path, "test_", 5));
137   path += 4;
138 
139   s = g_strdup (path);
140   for (p = s; *p; p++)
141     if (*p == '_')
142       *p = '/';
143 
144   return s;
145 }
146 
147 
148 #if GLIB_CHECK_VERSION(2,25,12)
149 typedef GTestFunc        hb_test_func_t;
150 typedef GTestDataFunc    hb_test_data_func_t;
151 typedef GTestFixtureFunc hb_test_fixture_func_t;
152 #else
153 typedef void (*hb_test_func_t)         (void);
154 typedef void (*hb_test_data_func_t)    (gconstpointer user_data);
155 typedef void (*hb_test_fixture_func_t) (void);
156 #endif
157 
158 #if !GLIB_CHECK_VERSION(2,30,0)
159 #define g_test_fail() g_error("Test failed")
160 #endif
161 
162 static inline void
hb_test_add_func(const char * test_path,hb_test_func_t test_func)163 hb_test_add_func (const char *test_path,
164 		  hb_test_func_t   test_func)
165 {
166   char *normal_path = hb_test_normalize_path (test_path);
167   g_test_add_func (normal_path, test_func);
168   g_free (normal_path);
169 }
170 #define hb_test_add(Func) hb_test_add_func (#Func, Func)
171 
172 static inline void
hb_test_add_func_flavor(const char * test_path,const char * flavor,hb_test_func_t test_func)173 hb_test_add_func_flavor (const char *test_path,
174 			 const char *flavor,
175 			 hb_test_func_t   test_func)
176 {
177   char *path = g_strdup_printf ("%s/%s", test_path, flavor);
178   hb_test_add_func (path, test_func);
179   g_free (path);
180 }
181 #define hb_test_add_flavor(Flavor, Func) hb_test_add_func (#Func, Flavor, Func)
182 
183 static inline void
hb_test_add_data_func(const char * test_path,gconstpointer test_data,hb_test_data_func_t test_func)184 hb_test_add_data_func (const char          *test_path,
185 		       gconstpointer        test_data,
186 		       hb_test_data_func_t  test_func)
187 {
188   char *normal_path = hb_test_normalize_path (test_path);
189   g_test_add_data_func (normal_path, test_data, test_func);
190   g_free (normal_path);
191 }
192 #define hb_test_add_data(UserData, Func) hb_test_add_data_func (#Func, UserData, Func)
193 
194 static inline void
hb_test_add_data_func_flavor(const char * test_path,const char * flavor,gconstpointer test_data,hb_test_data_func_t test_func)195 hb_test_add_data_func_flavor (const char          *test_path,
196 			      const char          *flavor,
197 			      gconstpointer        test_data,
198 			      hb_test_data_func_t  test_func)
199 {
200   char *path = g_strdup_printf ("%s/%s", test_path, flavor);
201   hb_test_add_data_func (path, test_data, test_func);
202   g_free (path);
203 }
204 #define hb_test_add_data_flavor(UserData, Flavor, Func) hb_test_add_data_func_flavor (#Func, Flavor, UserData, Func)
205 
206 
207 static inline void
hb_test_add_vtable(const char * test_path,gsize data_size,gconstpointer test_data,hb_test_fixture_func_t data_setup,hb_test_fixture_func_t data_test,hb_test_fixture_func_t data_teardown)208 hb_test_add_vtable (const char             *test_path,
209 		    gsize                   data_size,
210 		    gconstpointer           test_data,
211 		    hb_test_fixture_func_t  data_setup,
212 		    hb_test_fixture_func_t  data_test,
213 		    hb_test_fixture_func_t  data_teardown)
214 {
215   char *normal_path = hb_test_normalize_path (test_path);
216   g_test_add_vtable (normal_path, data_size, test_data, data_setup, data_test, data_teardown);
217   g_free (normal_path);
218 }
219 #define hb_test_add_fixture(FixturePrefix, UserData, Func) \
220 G_STMT_START { \
221   typedef G_PASTE (FixturePrefix, _t) Fixture; \
222   void (*add_vtable) (const char*, gsize, gconstpointer, \
223 		      void (*) (Fixture*, gconstpointer), \
224 		      void (*) (Fixture*, gconstpointer), \
225 		      void (*) (Fixture*, gconstpointer)) \
226 	= (void (*) (const gchar *, gsize, gconstpointer, \
227 		     void (*) (Fixture*, gconstpointer), \
228 		     void (*) (Fixture*, gconstpointer), \
229 		     void (*) (Fixture*, gconstpointer))) hb_test_add_vtable; \
230   add_vtable (#Func, sizeof (G_PASTE (FixturePrefix, _t)), UserData, \
231 	      G_PASTE (FixturePrefix, _init), Func, G_PASTE (FixturePrefix, _finish)); \
232 } G_STMT_END
233 
234 static inline void
hb_test_add_vtable_flavor(const char * test_path,const char * flavor,gsize data_size,gconstpointer test_data,hb_test_fixture_func_t data_setup,hb_test_fixture_func_t data_test,hb_test_fixture_func_t data_teardown)235 hb_test_add_vtable_flavor (const char             *test_path,
236 			   const char             *flavor,
237 			   gsize                   data_size,
238 			   gconstpointer           test_data,
239 			   hb_test_fixture_func_t  data_setup,
240 			   hb_test_fixture_func_t  data_test,
241 			   hb_test_fixture_func_t  data_teardown)
242 {
243   char *path = g_strdup_printf ("%s/%s", test_path, flavor);
244   hb_test_add_vtable (path, data_size, test_data, data_setup, data_test, data_teardown);
245   g_free (path);
246 }
247 #define hb_test_add_fixture_flavor(FixturePrefix, UserData, Flavor, Func) \
248 G_STMT_START { \
249   typedef G_PASTE (FixturePrefix, _t) Fixture; \
250   void (*add_vtable) (const char*, const char *, gsize, gconstpointer, \
251 		      void (*) (Fixture*, gconstpointer), \
252 		      void (*) (Fixture*, gconstpointer), \
253 		      void (*) (Fixture*, gconstpointer)) \
254 	= (void (*) (const gchar *, const char *, gsize, gconstpointer, \
255 		     void (*) (Fixture*, gconstpointer), \
256 		     void (*) (Fixture*, gconstpointer), \
257 		     void (*) (Fixture*, gconstpointer))) hb_test_add_vtable_flavor; \
258   add_vtable (#Func, Flavor, sizeof (G_PASTE (FixturePrefix, _t)), UserData, \
259 	      G_PASTE (FixturePrefix, _init), Func, G_PASTE (FixturePrefix, _finish)); \
260 } G_STMT_END
261 
262 
263 HB_END_DECLS
264 
265 #endif /* HB_TEST_H */
266