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0001 /* GLib testing utilities
0002  * Copyright (C) 2007 Imendio AB
0003  * Authors: Tim Janik
0004  *
0005  * SPDX-License-Identifier: LGPL-2.1-or-later
0006  *
0007  * This library is free software; you can redistribute it and/or
0008  * modify it under the terms of the GNU Lesser General Public
0009  * License as published by the Free Software Foundation; either
0010  * version 2.1 of the License, or (at your option) any later version.
0011  *
0012  * This library is distributed in the hope that it will be useful,
0013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0015  * Lesser General Public License for more details.
0016  *
0017  * You should have received a copy of the GNU Lesser General Public
0018  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
0019  */
0020 
0021 #ifndef __G_TEST_UTILS_H__
0022 #define __G_TEST_UTILS_H__
0023 
0024 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
0025 #error "Only <glib.h> can be included directly."
0026 #endif
0027 
0028 #include <glib/gmessages.h>
0029 #include <glib/gstring.h>
0030 #include <glib/gerror.h>
0031 #include <glib/gslist.h>
0032 #include <errno.h>
0033 #include <stdlib.h>
0034 #include <string.h>
0035 
0036 G_BEGIN_DECLS
0037 
0038 typedef struct GTestCase  GTestCase;
0039 typedef struct GTestSuite GTestSuite;
0040 typedef void (*GTestFunc)        (void);
0041 typedef void (*GTestDataFunc)    (gconstpointer user_data);
0042 typedef void (*GTestFixtureFunc) (gpointer      fixture,
0043                                   gconstpointer user_data);
0044 
0045 /* assertion API */
0046 #define g_assert_cmpstr(s1, cmp, s2)    G_STMT_START { \
0047                                              const char *__s1 = (s1), *__s2 = (s2); \
0048                                              if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
0049                                                g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0050                                                  #s1 " " #cmp " " #s2, __s1, #cmp, __s2); \
0051                                         } G_STMT_END
0052 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78
0053 #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
0054                                              gint64 __n1 = (n1), __n2 = (n2); \
0055                                              if (__n1 cmp __n2) ; else \
0056                                                g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0057                                                  #n1 " " #cmp " " #n2, (guint64)__n1, #cmp, (guint64)__n2, 'i'); \
0058                                         } G_STMT_END
0059 #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
0060                                              guint64 __n1 = (n1), __n2 = (n2); \
0061                                              if (__n1 cmp __n2) ; else \
0062                                                g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0063                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'u'); \
0064                                         } G_STMT_END
0065 #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START { \
0066                                              guint64 __n1 = (n1), __n2 = (n2); \
0067                                              if (__n1 cmp __n2) ; else \
0068                                                g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0069                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); \
0070                                         } G_STMT_END
0071 #else /* GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_78 */
0072 #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
0073                                              gint64 __n1 = (n1), __n2 = (n2); \
0074                                              if (__n1 cmp __n2) ; else \
0075                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0076                                                  #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
0077                                         } G_STMT_END
0078 #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
0079                                              guint64 __n1 = (n1), __n2 = (n2); \
0080                                              if (__n1 cmp __n2) ; else \
0081                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0082                                                  #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
0083                                         } G_STMT_END
0084 #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START {\
0085                                              guint64 __n1 = (n1), __n2 = (n2); \
0086                                              if (__n1 cmp __n2) ; else \
0087                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0088                                                  #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'x'); \
0089                                         } G_STMT_END
0090 #endif /* GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78 */
0091 #define g_assert_cmpfloat(n1,cmp,n2)    G_STMT_START { \
0092                                              long double __n1 = (long double) (n1), __n2 = (long double) (n2); \
0093                                              if (__n1 cmp __n2) ; else \
0094                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0095                                                  #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'f'); \
0096                                         } G_STMT_END
0097 #define g_assert_cmpfloat_with_epsilon(n1,n2,epsilon) \
0098                                         G_STMT_START { \
0099                                              double __n1 = (n1), __n2 = (n2), __epsilon = (epsilon); \
0100                                              if (G_APPROX_VALUE (__n1,  __n2, __epsilon)) ; else \
0101                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0102                                                  #n1 " == " #n2 " (+/- " #epsilon ")", __n1, "==", __n2, 'f'); \
0103                                         } G_STMT_END
0104 #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78
0105 #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
0106                                              gconstpointer __m1 = m1, __m2 = m2; \
0107                                              size_t __l1 = (size_t) l1, __l2 = (size_t) l2; \
0108                                              if (__l1 != 0 && __m1 == NULL) \
0109                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0110                                                                     "assertion failed (" #l1 " == 0 || " #m1 " != NULL)"); \
0111                                              else if (__l2 != 0 && __m2 == NULL) \
0112                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0113                                                                     "assertion failed (" #l2 " == 0 || " #m2 " != NULL)"); \
0114                                              else if (__l1 != __l2) \
0115                                                g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0116                                                                            #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", \
0117                                                                            __l1, "==", __l2, 'u'); \
0118                                              else if (__l1 != 0 && __m2 != NULL && memcmp (__m1, __m2, __l1) != 0) \
0119                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0120                                                                     "assertion failed (" #m1 " == " #m2 ")"); \
0121                                         } G_STMT_END
0122 #else /* GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_78 */
0123 #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
0124                                              gconstpointer __m1 = m1, __m2 = m2; \
0125                                              size_t __l1 = (size_t) l1, __l2 = (size_t) l2; \
0126                                              if (__l1 != 0 && __m1 == NULL) \
0127                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0128                                                                     "assertion failed (" #l1 " == 0 || " #m1 " != NULL)"); \
0129                                              else if (__l2 != 0 && __m2 == NULL) \
0130                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0131                                                                     "assertion failed (" #l2 " == 0 || " #m2 " != NULL)"); \
0132                                              else if (__l1 != __l2) \
0133                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0134                                                                            #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", \
0135                                                                            (long double) __l1, "==", (long double) __l2, 'i'); \
0136                                              else if (__l1 != 0 && __m2 != NULL && memcmp (__m1, __m2, __l1) != 0) \
0137                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0138                                                                     "assertion failed (" #m1 " == " #m2 ")"); \
0139                                         } G_STMT_END
0140 #endif /* GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78 */
0141 #define g_assert_cmpvariant(v1, v2) \
0142   G_STMT_START \
0143   { \
0144     GVariant *__v1 = (v1), *__v2 = (v2); \
0145     if (!g_variant_equal (__v1, __v2)) \
0146       { \
0147         gchar *__s1, *__s2, *__msg; \
0148         __s1 = g_variant_print (__v1, TRUE); \
0149         __s2 = g_variant_print (__v2, TRUE); \
0150         __msg = g_strdup_printf ("assertion failed (" #v1 " == " #v2 "): %s does not equal %s", __s1, __s2); \
0151         g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
0152         g_free (__s1); \
0153         g_free (__s2); \
0154         g_free (__msg); \
0155       } \
0156   } \
0157   G_STMT_END
0158 #define g_assert_cmpstrv(strv1, strv2) \
0159   G_STMT_START \
0160   { \
0161     const char * const *__strv1 = (const char * const *) (strv1); \
0162     const char * const *__strv2 = (const char * const *) (strv2); \
0163     if (!__strv1 || !__strv2) \
0164       { \
0165         if (__strv1) \
0166           { \
0167             g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0168                                  "assertion failed (" #strv1 " == " #strv2 "): " #strv2 " is NULL, but " #strv1 " is not"); \
0169           } \
0170         else if (__strv2) \
0171           { \
0172             g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0173                                  "assertion failed (" #strv1 " == " #strv2 "): " #strv1 " is NULL, but " #strv2 " is not"); \
0174           } \
0175       } \
0176     else \
0177       { \
0178         guint __l1 = g_strv_length ((char **) __strv1); \
0179         guint __l2 = g_strv_length ((char **) __strv2); \
0180         if (__l1 != __l2) \
0181           { \
0182             char *__msg; \
0183             __msg = g_strdup_printf ("assertion failed (" #strv1 " == " #strv2 "): length %u does not equal length %u", __l1, __l2); \
0184             g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
0185             g_free (__msg); \
0186           } \
0187         else \
0188           { \
0189             guint __i; \
0190             for (__i = 0; __i < __l1; __i++) \
0191               { \
0192                 if (g_strcmp0 (__strv1[__i], __strv2[__i]) != 0) \
0193                   { \
0194                     g_assertion_message_cmpstrv (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0195                                                  #strv1 " == " #strv2, \
0196                                                  __strv1, __strv2, __i); \
0197                   } \
0198               } \
0199           } \
0200       } \
0201   } \
0202   G_STMT_END
0203 #define g_assert_no_errno(expr)         G_STMT_START { \
0204                                              int __ret, __errsv; \
0205                                              errno = 0; \
0206                                              __ret = expr; \
0207                                              __errsv = errno; \
0208                                              if (__ret < 0) \
0209                                                { \
0210                                                  gchar *__msg; \
0211                                                  __msg = g_strdup_printf ("assertion failed (" #expr " >= 0): errno %i: %s", __errsv, g_strerror (__errsv)); \
0212                                                  g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
0213                                                  g_free (__msg); \
0214                                                } \
0215                                         } G_STMT_END \
0216                                         GLIB_AVAILABLE_MACRO_IN_2_66
0217 #define g_assert_no_error(err)          G_STMT_START { \
0218                                              if (err) \
0219                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0220                                                  #err, err, 0, 0); \
0221                                         } G_STMT_END
0222 #define g_assert_error(err, dom, c)     G_STMT_START { \
0223                                                if (!err || (err)->domain != dom || (err)->code != c) \
0224                                                g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0225                                                  #err, err, dom, c); \
0226                                         } G_STMT_END
0227 #define g_assert_true(expr)             G_STMT_START { \
0228                                              if G_LIKELY (expr) ; else \
0229                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0230                                                                     "'" #expr "' should be TRUE"); \
0231                                         } G_STMT_END
0232 #define g_assert_false(expr)            G_STMT_START { \
0233                                              if G_LIKELY (!(expr)) ; else \
0234                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0235                                                                     "'" #expr "' should be FALSE"); \
0236                                         } G_STMT_END
0237 
0238 /* Use nullptr in C++ to catch misuse of these macros. */
0239 #if G_CXX_STD_CHECK_VERSION (11)
0240 #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == nullptr) ; else \
0241                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0242                                                                     "'" #expr "' should be nullptr"); \
0243                                         } G_STMT_END
0244 #define g_assert_nonnull(expr)          G_STMT_START { \
0245                                              if G_LIKELY ((expr) != nullptr) ; else \
0246                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0247                                                                     "'" #expr "' should not be nullptr"); \
0248                                         } G_STMT_END
0249 #else /* not C++ */
0250 #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == NULL) ; else \
0251                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0252                                                                     "'" #expr "' should be NULL"); \
0253                                         } G_STMT_END
0254 #define g_assert_nonnull(expr)          G_STMT_START { \
0255                                              if G_LIKELY ((expr) != NULL) ; else \
0256                                                g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0257                                                                     "'" #expr "' should not be NULL"); \
0258                                         } G_STMT_END
0259 #endif
0260 
0261 #ifdef G_DISABLE_ASSERT
0262 /* https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/Other-Builtins.html#index-_005f_005fbuiltin_005funreachable
0263  * GCC 5 is not a strict lower bound for versions of GCC which provide __builtin_unreachable(). */
0264 #if __GNUC__ >= 5 || g_macro__has_builtin(__builtin_unreachable)
0265 #define g_assert_not_reached()          G_STMT_START { (void) 0; __builtin_unreachable (); } G_STMT_END
0266 #elif defined (_MSC_VER)
0267 #define g_assert_not_reached()          G_STMT_START { (void) 0; __assume (0); } G_STMT_END
0268 #else  /* if __builtin_unreachable() is not supported: */
0269 #define g_assert_not_reached()          G_STMT_START { (void) 0; } G_STMT_END
0270 #endif
0271 
0272 #define g_assert(expr)                  G_STMT_START { (void) 0; } G_STMT_END
0273 #else /* !G_DISABLE_ASSERT */
0274 #define g_assert_not_reached()          G_STMT_START { g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } G_STMT_END
0275 #define g_assert(expr)                  G_STMT_START { \
0276                                              if G_LIKELY (expr) ; else \
0277                                                g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
0278                                                                          #expr); \
0279                                         } G_STMT_END
0280 #endif /* !G_DISABLE_ASSERT */
0281 
0282 GLIB_AVAILABLE_IN_ALL
0283 int     g_strcmp0                       (const char     *str1,
0284                                          const char     *str2);
0285 
0286 /* report performance results */
0287 GLIB_AVAILABLE_IN_ALL
0288 void    g_test_minimized_result         (double          minimized_quantity,
0289                                          const char     *format,
0290                                          ...) G_GNUC_PRINTF (2, 3);
0291 GLIB_AVAILABLE_IN_ALL
0292 void    g_test_maximized_result         (double          maximized_quantity,
0293                                          const char     *format,
0294                                          ...) G_GNUC_PRINTF (2, 3);
0295 
0296 /* initialize testing framework */
0297 GLIB_AVAILABLE_IN_ALL
0298 void    g_test_init                     (int            *argc,
0299                                          char         ***argv,
0300                                          ...) G_GNUC_NULL_TERMINATED;
0301 
0302 /**
0303  * G_TEST_OPTION_ISOLATE_DIRS:
0304  *
0305  * Creates a unique temporary directory for each unit test and uses
0306  * g_set_user_dirs() to set XDG directories to point into subdirectories of it
0307  * for the duration of the unit test. The directory tree is cleaned up after the
0308  * test finishes successfully. Note that this doesn’t take effect until
0309  * g_test_run() is called, so calls to (for example) g_get_user_home_dir() will
0310  * return the system-wide value when made in a test program’s main() function.
0311  *
0312  * The following functions will return subdirectories of the temporary directory
0313  * when this option is used. The specific subdirectory paths in use are not
0314  * guaranteed to be stable API — always use a getter function to retrieve them.
0315  *
0316  *  - g_get_home_dir()
0317  *  - g_get_user_cache_dir()
0318  *  - g_get_system_config_dirs()
0319  *  - g_get_user_config_dir()
0320  *  - g_get_system_data_dirs()
0321  *  - g_get_user_data_dir()
0322  *  - g_get_user_state_dir()
0323  *  - g_get_user_runtime_dir()
0324  *
0325  * The subdirectories may not be created by the test harness; as with normal
0326  * calls to functions like g_get_user_cache_dir(), the caller must be prepared
0327  * to create the directory if it doesn’t exist.
0328  *
0329  * Since: 2.60
0330  */
0331 #define G_TEST_OPTION_ISOLATE_DIRS "isolate_dirs"
0332 
0333 /* While we discourage its use, g_assert() is often used in unit tests
0334  * (especially in legacy code). g_assert_*() should really be used instead.
0335  * g_assert() can be disabled at client program compile time, which can render
0336  * tests useless. Highlight that to the user. */
0337 #ifdef G_DISABLE_ASSERT
0338 #if defined(G_HAVE_ISO_VARARGS)
0339 #define g_test_init(argc, argv, ...) \
0340   G_STMT_START { \
0341     g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
0342     exit (1); \
0343   } G_STMT_END
0344 #elif defined(G_HAVE_GNUC_VARARGS)
0345 #define g_test_init(argc, argv...) \
0346   G_STMT_START { \
0347     g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
0348     exit (1); \
0349   } G_STMT_END
0350 #else  /* no varargs */
0351   /* do nothing */
0352 #endif  /* varargs support */
0353 #endif  /* G_DISABLE_ASSERT */
0354 
0355 /* query testing framework config */
0356 #define g_test_initialized()            (g_test_config_vars->test_initialized)
0357 #define g_test_quick()                  (g_test_config_vars->test_quick)
0358 #define g_test_slow()                   (!g_test_config_vars->test_quick)
0359 #define g_test_thorough()               (!g_test_config_vars->test_quick)
0360 #define g_test_perf()                   (g_test_config_vars->test_perf)
0361 #define g_test_verbose()                (g_test_config_vars->test_verbose)
0362 #define g_test_quiet()                  (g_test_config_vars->test_quiet)
0363 #define g_test_undefined()              (g_test_config_vars->test_undefined)
0364 GLIB_AVAILABLE_IN_2_38
0365 gboolean g_test_subprocess (void);
0366 
0367 /* run all tests under toplevel suite (path: /) */
0368 GLIB_AVAILABLE_IN_ALL
0369 int     g_test_run                      (void);
0370 /* hook up a test functions under test path */
0371 GLIB_AVAILABLE_IN_ALL
0372 void    g_test_add_func                 (const char     *testpath,
0373                                          GTestFunc       test_func);
0374 
0375 GLIB_AVAILABLE_IN_ALL
0376 void    g_test_add_data_func            (const char     *testpath,
0377                                          gconstpointer   test_data,
0378                                          GTestDataFunc   test_func);
0379 
0380 GLIB_AVAILABLE_IN_2_34
0381 void    g_test_add_data_func_full       (const char     *testpath,
0382                                          gpointer        test_data,
0383                                          GTestDataFunc   test_func,
0384                                          GDestroyNotify  data_free_func);
0385 
0386 /* tell about currently run test */
0387 GLIB_AVAILABLE_IN_2_68
0388 const char * g_test_get_path            (void);
0389 
0390 /* tell about failure */
0391 GLIB_AVAILABLE_IN_2_30
0392 void    g_test_fail                     (void);
0393 GLIB_AVAILABLE_IN_2_70
0394 void    g_test_fail_printf              (const char *format,
0395                                          ...) G_GNUC_PRINTF (1, 2);
0396 GLIB_AVAILABLE_IN_2_38
0397 void    g_test_incomplete               (const gchar *msg);
0398 GLIB_AVAILABLE_IN_2_70
0399 void    g_test_incomplete_printf        (const char *format,
0400                                          ...) G_GNUC_PRINTF (1, 2);
0401 GLIB_AVAILABLE_IN_2_38
0402 void    g_test_skip                     (const gchar *msg);
0403 GLIB_AVAILABLE_IN_2_70
0404 void    g_test_skip_printf              (const char *format,
0405                                          ...) G_GNUC_PRINTF (1, 2);
0406 GLIB_AVAILABLE_IN_2_38
0407 gboolean g_test_failed                  (void);
0408 GLIB_AVAILABLE_IN_2_38
0409 void    g_test_set_nonfatal_assertions  (void);
0410 GLIB_AVAILABLE_IN_2_78
0411 void    g_test_disable_crash_reporting  (void);
0412 
0413 /**
0414  * g_test_add:
0415  * @testpath:  The test path for a new test case.
0416  * @Fixture:   The type of a fixture data structure.
0417  * @tdata:     Data argument for the test functions.
0418  * @fsetup:    The function to set up the fixture data.
0419  * @ftest:     The actual test function.
0420  * @fteardown: The function to tear down the fixture data.
0421  *
0422  * Hook up a new test case at @testpath, similar to g_test_add_func().
0423  * A fixture data structure with setup and teardown functions may be provided,
0424  * similar to g_test_create_case().
0425  *
0426  * g_test_add() is implemented as a macro, so that the fsetup(), ftest() and
0427  * fteardown() callbacks can expect a @Fixture pointer as their first argument
0428  * in a type safe manner. They otherwise have type #GTestFixtureFunc.
0429  *
0430  * Since: 2.16
0431  */
0432 #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
0433                     G_STMT_START {          \
0434                                          void (*add_vtable) (const char*,       \
0435                                                     gsize,             \
0436                                                     gconstpointer,     \
0437                                                     void (*) (Fixture*, gconstpointer),   \
0438                                                     void (*) (Fixture*, gconstpointer),   \
0439                                                     void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
0440                                          add_vtable \
0441                                           (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
0442                     } G_STMT_END
0443 
0444 /* add test messages to the test report */
0445 GLIB_AVAILABLE_IN_ALL
0446 void    g_test_message                  (const char *format,
0447                                          ...) G_GNUC_PRINTF (1, 2);
0448 GLIB_AVAILABLE_IN_ALL
0449 void    g_test_bug_base                 (const char *uri_pattern);
0450 GLIB_AVAILABLE_IN_ALL
0451 void    g_test_bug                      (const char *bug_uri_snippet);
0452 GLIB_AVAILABLE_IN_2_62
0453 void    g_test_summary                  (const char *summary);
0454 /* measure test timings */
0455 GLIB_AVAILABLE_IN_ALL
0456 void    g_test_timer_start              (void);
0457 GLIB_AVAILABLE_IN_ALL
0458 double  g_test_timer_elapsed            (void); /* elapsed seconds */
0459 GLIB_AVAILABLE_IN_ALL
0460 double  g_test_timer_last               (void); /* repeat last elapsed() result */
0461 
0462 /* automatically g_free or g_object_unref upon teardown */
0463 GLIB_AVAILABLE_IN_ALL
0464 void    g_test_queue_free               (gpointer gfree_pointer);
0465 GLIB_AVAILABLE_IN_ALL
0466 void    g_test_queue_destroy            (GDestroyNotify destroy_func,
0467                                          gpointer       destroy_data);
0468 #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
0469 
0470 /**
0471  * GTestTrapFlags:
0472  * @G_TEST_TRAP_DEFAULT: Default behaviour. Since: 2.74
0473  * @G_TEST_TRAP_SILENCE_STDOUT: Redirect stdout of the test child to
0474  *     `/dev/null` so it cannot be observed on the console during test
0475  *     runs. The actual output is still captured though to allow later
0476  *     tests with g_test_trap_assert_stdout().
0477  * @G_TEST_TRAP_SILENCE_STDERR: Redirect stderr of the test child to
0478  *     `/dev/null` so it cannot be observed on the console during test
0479  *     runs. The actual output is still captured though to allow later
0480  *     tests with g_test_trap_assert_stderr().
0481  * @G_TEST_TRAP_INHERIT_STDIN: If this flag is given, stdin of the
0482  *     child process is shared with stdin of its parent process.
0483  *     It is redirected to `/dev/null` otherwise.
0484  *
0485  * Test traps are guards around forked tests.
0486  * These flags determine what traps to set.
0487  *
0488  * Deprecated: 2.38: #GTestTrapFlags is used only with g_test_trap_fork(),
0489  * which is deprecated. g_test_trap_subprocess() uses
0490  * #GTestSubprocessFlags.
0491  */
0492 typedef enum {
0493   G_TEST_TRAP_DEFAULT GLIB_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
0494   G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
0495   G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
0496   G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
0497 } GTestTrapFlags GLIB_DEPRECATED_TYPE_IN_2_38_FOR(GTestSubprocessFlags);
0498 
0499 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
0500 
0501 GLIB_DEPRECATED_IN_2_38_FOR (g_test_trap_subprocess)
0502 gboolean g_test_trap_fork               (guint64              usec_timeout,
0503                                          GTestTrapFlags       test_trap_flags);
0504 
0505 G_GNUC_END_IGNORE_DEPRECATIONS
0506 
0507 typedef enum {
0508   G_TEST_SUBPROCESS_DEFAULT GLIB_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
0509   G_TEST_SUBPROCESS_INHERIT_STDIN  = 1 << 0,
0510   G_TEST_SUBPROCESS_INHERIT_STDOUT = 1 << 1,
0511   G_TEST_SUBPROCESS_INHERIT_STDERR = 1 << 2
0512 } GTestSubprocessFlags;
0513 
0514 GLIB_AVAILABLE_IN_2_38
0515 void     g_test_trap_subprocess         (const char           *test_path,
0516                                          guint64               usec_timeout,
0517                                          GTestSubprocessFlags  test_flags);
0518 
0519 GLIB_AVAILABLE_IN_ALL
0520 gboolean g_test_trap_has_passed         (void);
0521 GLIB_AVAILABLE_IN_ALL
0522 gboolean g_test_trap_reached_timeout    (void);
0523 #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
0524 #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
0525 #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
0526 #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
0527 #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
0528 #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
0529 
0530 /* provide seed-able random numbers for tests */
0531 #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
0532 GLIB_AVAILABLE_IN_ALL
0533 gint32   g_test_rand_int                (void);
0534 GLIB_AVAILABLE_IN_ALL
0535 gint32   g_test_rand_int_range          (gint32          begin,
0536                                          gint32          end);
0537 GLIB_AVAILABLE_IN_ALL
0538 double   g_test_rand_double             (void);
0539 GLIB_AVAILABLE_IN_ALL
0540 double   g_test_rand_double_range       (double          range_start,
0541                                          double          range_end);
0542 
0543 /*
0544  * semi-internal API: non-documented symbols with stable ABI. You
0545  * should use the non-internal helper macros instead. However, for
0546  * compatibility reason, you may use this semi-internal API.
0547  */
0548 GLIB_AVAILABLE_IN_ALL
0549 GTestCase*    g_test_create_case        (const char       *test_name,
0550                                          gsize             data_size,
0551                                          gconstpointer     test_data,
0552                                          GTestFixtureFunc  data_setup,
0553                                          GTestFixtureFunc  data_test,
0554                                          GTestFixtureFunc  data_teardown);
0555 GLIB_AVAILABLE_IN_ALL
0556 GTestSuite*   g_test_create_suite       (const char       *suite_name);
0557 GLIB_AVAILABLE_IN_ALL
0558 GTestSuite*   g_test_get_root           (void);
0559 GLIB_AVAILABLE_IN_ALL
0560 void          g_test_suite_add          (GTestSuite     *suite,
0561                                          GTestCase      *test_case);
0562 GLIB_AVAILABLE_IN_ALL
0563 void          g_test_suite_add_suite    (GTestSuite     *suite,
0564                                          GTestSuite     *nestedsuite);
0565 GLIB_AVAILABLE_IN_ALL
0566 int           g_test_run_suite          (GTestSuite     *suite);
0567 
0568 GLIB_AVAILABLE_IN_2_70
0569 void          g_test_case_free          (GTestCase *test_case);
0570 
0571 GLIB_AVAILABLE_IN_2_70
0572 void          g_test_suite_free         (GTestSuite     *suite);
0573 
0574 GLIB_AVAILABLE_IN_ALL
0575 void    g_test_trap_assertions          (const char     *domain,
0576                                          const char     *file,
0577                                          int             line,
0578                                          const char     *func,
0579                                          guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
0580                                          const char     *pattern);
0581 GLIB_AVAILABLE_IN_ALL
0582 void    g_assertion_message             (const char     *domain,
0583                                          const char     *file,
0584                                          int             line,
0585                                          const char     *func,
0586                                          const char     *message) G_ANALYZER_NORETURN;
0587 G_NORETURN
0588 GLIB_AVAILABLE_IN_ALL
0589 void    g_assertion_message_expr        (const char     *domain,
0590                                          const char     *file,
0591                                          int             line,
0592                                          const char     *func,
0593                                          const char     *expr);
0594 GLIB_AVAILABLE_IN_ALL
0595 void    g_assertion_message_cmpstr      (const char     *domain,
0596                                          const char     *file,
0597                                          int             line,
0598                                          const char     *func,
0599                                          const char     *expr,
0600                                          const char     *arg1,
0601                                          const char     *cmp,
0602                                          const char     *arg2) G_ANALYZER_NORETURN;
0603 
0604 GLIB_AVAILABLE_IN_2_68
0605 void    g_assertion_message_cmpstrv     (const char         *domain,
0606                                          const char         *file,
0607                                          int                 line,
0608                                          const char         *func,
0609                                          const char         *expr,
0610                                          const char * const *arg1,
0611                                          const char * const *arg2,
0612                                          gsize               first_wrong_idx) G_ANALYZER_NORETURN;
0613 GLIB_AVAILABLE_IN_2_78
0614 void    g_assertion_message_cmpint      (const char     *domain,
0615                                          const char     *file,
0616                                          int             line,
0617                                          const char     *func,
0618                                          const char     *expr,
0619                                          guint64         arg1,
0620                                          const char     *cmp,
0621                                          guint64         arg2,
0622                                          char            numtype) G_ANALYZER_NORETURN;
0623 GLIB_AVAILABLE_IN_ALL
0624 void    g_assertion_message_cmpnum      (const char     *domain,
0625                                          const char     *file,
0626                                          int             line,
0627                                          const char     *func,
0628                                          const char     *expr,
0629                                          long double     arg1,
0630                                          const char     *cmp,
0631                                          long double     arg2,
0632                                          char            numtype) G_ANALYZER_NORETURN;
0633 GLIB_AVAILABLE_IN_ALL
0634 void    g_assertion_message_error       (const char     *domain,
0635                                          const char     *file,
0636                                          int             line,
0637                                          const char     *func,
0638                                          const char     *expr,
0639                                          const GError   *error,
0640                                          GQuark          error_domain,
0641                                          int             error_code) G_ANALYZER_NORETURN;
0642 GLIB_AVAILABLE_IN_ALL
0643 void    g_test_add_vtable               (const char     *testpath,
0644                                          gsize           data_size,
0645                                          gconstpointer   test_data,
0646                                          GTestFixtureFunc  data_setup,
0647                                          GTestFixtureFunc  data_test,
0648                                          GTestFixtureFunc  data_teardown);
0649 typedef struct {
0650   gboolean      test_initialized;
0651   gboolean      test_quick;     /* disable thorough tests */
0652   gboolean      test_perf;      /* run performance tests */
0653   gboolean      test_verbose;   /* extra info */
0654   gboolean      test_quiet;     /* reduce output */
0655   gboolean      test_undefined; /* run tests that are meant to assert */
0656 } GTestConfig;
0657 GLIB_VAR const GTestConfig * const g_test_config_vars;
0658 
0659 /* internal logging API */
0660 typedef enum {
0661   G_TEST_RUN_SUCCESS,
0662   G_TEST_RUN_SKIPPED,
0663   G_TEST_RUN_FAILURE,
0664   G_TEST_RUN_INCOMPLETE
0665 } GTestResult;
0666 
0667 typedef enum {
0668   G_TEST_LOG_NONE,
0669   G_TEST_LOG_ERROR,             /* s:msg */
0670   G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
0671   G_TEST_LOG_LIST_CASE,         /* s:testpath */
0672   G_TEST_LOG_SKIP_CASE,         /* s:testpath */
0673   G_TEST_LOG_START_CASE,        /* s:testpath */
0674   G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
0675   G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
0676   G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
0677   G_TEST_LOG_MESSAGE,           /* s:blurb */
0678   G_TEST_LOG_START_SUITE,
0679   G_TEST_LOG_STOP_SUITE
0680 } GTestLogType;
0681 
0682 typedef struct {
0683   GTestLogType  log_type;
0684   guint         n_strings;
0685   gchar       **strings; /* NULL terminated */
0686   guint         n_nums;
0687   long double  *nums;
0688 } GTestLogMsg;
0689 typedef struct {
0690   /*< private >*/
0691   GString     *data;
0692   GSList      *msgs;
0693 } GTestLogBuffer;
0694 
0695 GLIB_AVAILABLE_IN_ALL
0696 const char*     g_test_log_type_name    (GTestLogType    log_type);
0697 GLIB_AVAILABLE_IN_ALL
0698 GTestLogBuffer* g_test_log_buffer_new   (void);
0699 GLIB_AVAILABLE_IN_ALL
0700 void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
0701 GLIB_AVAILABLE_IN_ALL
0702 void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
0703                                          guint           n_bytes,
0704                                          const guint8   *bytes);
0705 GLIB_AVAILABLE_IN_ALL
0706 GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
0707 GLIB_AVAILABLE_IN_ALL
0708 void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
0709 
0710 /**
0711  * GTestLogFatalFunc:
0712  * @log_domain: the log domain of the message
0713  * @log_level: the log level of the message (including the fatal and recursion flags)
0714  * @message: the message to process
0715  * @user_data: user data, set in g_test_log_set_fatal_handler()
0716  *
0717  * Specifies the prototype of fatal log handler functions.
0718  *
0719  * Returns: %TRUE if the program should abort, %FALSE otherwise
0720  *
0721  * Since: 2.22
0722  */
0723 typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
0724                                                  GLogLevelFlags  log_level,
0725                                                  const gchar    *message,
0726                                                  gpointer        user_data);
0727 GLIB_AVAILABLE_IN_ALL
0728 void
0729 g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
0730                                          gpointer          user_data);
0731 
0732 GLIB_AVAILABLE_IN_2_34
0733 void    g_test_expect_message                    (const gchar    *log_domain,
0734                                                   GLogLevelFlags  log_level,
0735                                                   const gchar    *pattern);
0736 GLIB_AVAILABLE_IN_2_34
0737 void    g_test_assert_expected_messages_internal (const char     *domain,
0738                                                   const char     *file,
0739                                                   int             line,
0740                                                   const char     *func);
0741 
0742 typedef enum
0743 {
0744   G_TEST_DIST,
0745   G_TEST_BUILT
0746 } GTestFileType;
0747 
0748 GLIB_AVAILABLE_IN_2_38
0749 gchar * g_test_build_filename                    (GTestFileType   file_type,
0750                                                   const gchar    *first_path,
0751                                                   ...) G_GNUC_NULL_TERMINATED;
0752 GLIB_AVAILABLE_IN_2_38
0753 const gchar *g_test_get_dir                      (GTestFileType   file_type);
0754 GLIB_AVAILABLE_IN_2_38
0755 const gchar *g_test_get_filename                 (GTestFileType   file_type,
0756                                                   const gchar    *first_path,
0757                                                   ...) G_GNUC_NULL_TERMINATED;
0758 
0759 #define g_test_assert_expected_messages() g_test_assert_expected_messages_internal (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC)
0760 
0761 G_END_DECLS
0762 
0763 #endif /* __G_TEST_UTILS_H__ */
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