(root)/
glib-2.79.0/
glib/
gtestutils.h
       1  /* GLib testing utilities
       2   * Copyright (C) 2007 Imendio AB
       3   * Authors: Tim Janik
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   *
       7   * This library is free software; you can redistribute it and/or
       8   * modify it under the terms of the GNU Lesser General Public
       9   * License as published by the Free Software Foundation; either
      10   * version 2.1 of the License, or (at your option) any later version.
      11   *
      12   * This library is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15   * Lesser General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU Lesser General Public
      18   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
      19   */
      20  
      21  #ifndef __G_TEST_UTILS_H__
      22  #define __G_TEST_UTILS_H__
      23  
      24  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
      25  #error "Only <glib.h> can be included directly."
      26  #endif
      27  
      28  #include <glib/gmessages.h>
      29  #include <glib/gstring.h>
      30  #include <glib/gerror.h>
      31  #include <glib/gslist.h>
      32  #include <errno.h>
      33  #include <stdlib.h>
      34  #include <string.h>
      35  
      36  G_BEGIN_DECLS
      37  
      38  typedef struct GTestCase  GTestCase;
      39  typedef struct GTestSuite GTestSuite;
      40  typedef void (*GTestFunc)        (void);
      41  typedef void (*GTestDataFunc)    (gconstpointer user_data);
      42  typedef void (*GTestFixtureFunc) (gpointer      fixture,
      43                                    gconstpointer user_data);
      44  
      45  /* assertion API */
      46  #define g_assert_cmpstr(s1, cmp, s2)    G_STMT_START { \
      47                                               const char *__s1 = (s1), *__s2 = (s2); \
      48                                               if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
      49                                                 g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      50                                                   #s1 " " #cmp " " #s2, __s1, #cmp, __s2); \
      51                                          } G_STMT_END
      52  #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78
      53  #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
      54                                               gint64 __n1 = (n1), __n2 = (n2); \
      55                                               if (__n1 cmp __n2) ; else \
      56                                                 g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      57                                                   #n1 " " #cmp " " #n2, (guint64)__n1, #cmp, (guint64)__n2, 'i'); \
      58                                          } G_STMT_END
      59  #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
      60                                               guint64 __n1 = (n1), __n2 = (n2); \
      61                                               if (__n1 cmp __n2) ; else \
      62                                                 g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      63                                                   #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'u'); \
      64                                          } G_STMT_END
      65  #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START { \
      66                                               guint64 __n1 = (n1), __n2 = (n2); \
      67                                               if (__n1 cmp __n2) ; else \
      68                                                 g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      69                                                   #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); \
      70                                          } G_STMT_END
      71  #else /* GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_78 */
      72  #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
      73                                               gint64 __n1 = (n1), __n2 = (n2); \
      74                                               if (__n1 cmp __n2) ; else \
      75                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      76                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
      77                                          } G_STMT_END
      78  #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
      79                                               guint64 __n1 = (n1), __n2 = (n2); \
      80                                               if (__n1 cmp __n2) ; else \
      81                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      82                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
      83                                          } G_STMT_END
      84  #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START {\
      85                                               guint64 __n1 = (n1), __n2 = (n2); \
      86                                               if (__n1 cmp __n2) ; else \
      87                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      88                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'x'); \
      89                                          } G_STMT_END
      90  #endif /* GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78 */
      91  #define g_assert_cmpfloat(n1,cmp,n2)    G_STMT_START { \
      92                                               long double __n1 = (long double) (n1), __n2 = (long double) (n2); \
      93                                               if (__n1 cmp __n2) ; else \
      94                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
      95                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'f'); \
      96                                          } G_STMT_END
      97  #define g_assert_cmpfloat_with_epsilon(n1,n2,epsilon) \
      98                                          G_STMT_START { \
      99                                               double __n1 = (n1), __n2 = (n2), __epsilon = (epsilon); \
     100                                               if (G_APPROX_VALUE (__n1,  __n2, __epsilon)) ; else \
     101                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     102                                                   #n1 " == " #n2 " (+/- " #epsilon ")", __n1, "==", __n2, 'f'); \
     103                                          } G_STMT_END
     104  #if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78
     105  #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
     106                                               gconstpointer __m1 = m1, __m2 = m2; \
     107                                               size_t __l1 = (size_t) l1, __l2 = (size_t) l2; \
     108                                               if (__l1 != 0 && __m1 == NULL) \
     109                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     110                                                                      "assertion failed (" #l1 " == 0 || " #m1 " != NULL)"); \
     111                                               else if (__l2 != 0 && __m2 == NULL) \
     112                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     113                                                                      "assertion failed (" #l2 " == 0 || " #m2 " != NULL)"); \
     114                                               else if (__l1 != __l2) \
     115                                                 g_assertion_message_cmpint (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     116                                                                             #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", \
     117                                                                             __l1, "==", __l2, 'u'); \
     118                                               else if (__l1 != 0 && __m2 != NULL && memcmp (__m1, __m2, __l1) != 0) \
     119                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     120                                                                      "assertion failed (" #m1 " == " #m2 ")"); \
     121                                          } G_STMT_END
     122  #else /* GLIB_VERSION_MIN_REQUIRED < GLIB_VERSION_2_78 */
     123  #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
     124                                               gconstpointer __m1 = m1, __m2 = m2; \
     125                                               size_t __l1 = (size_t) l1, __l2 = (size_t) l2; \
     126                                               if (__l1 != 0 && __m1 == NULL) \
     127                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     128                                                                      "assertion failed (" #l1 " == 0 || " #m1 " != NULL)"); \
     129                                               else if (__l2 != 0 && __m2 == NULL) \
     130                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     131                                                                      "assertion failed (" #l2 " == 0 || " #m2 " != NULL)"); \
     132                                               else if (__l1 != __l2) \
     133                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     134                                                                             #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", \
     135                                                                             (long double) __l1, "==", (long double) __l2, 'i'); \
     136                                               else if (__l1 != 0 && __m2 != NULL && memcmp (__m1, __m2, __l1) != 0) \
     137                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     138                                                                      "assertion failed (" #m1 " == " #m2 ")"); \
     139                                          } G_STMT_END
     140  #endif /* GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_78 */
     141  #define g_assert_cmpvariant(v1, v2) \
     142    G_STMT_START \
     143    { \
     144      GVariant *__v1 = (v1), *__v2 = (v2); \
     145      if (!g_variant_equal (__v1, __v2)) \
     146        { \
     147          gchar *__s1, *__s2, *__msg; \
     148          __s1 = g_variant_print (__v1, TRUE); \
     149          __s2 = g_variant_print (__v2, TRUE); \
     150          __msg = g_strdup_printf ("assertion failed (" #v1 " == " #v2 "): %s does not equal %s", __s1, __s2); \
     151          g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
     152          g_free (__s1); \
     153          g_free (__s2); \
     154          g_free (__msg); \
     155        } \
     156    } \
     157    G_STMT_END
     158  #define g_assert_cmpstrv(strv1, strv2) \
     159    G_STMT_START \
     160    { \
     161      const char * const *__strv1 = (const char * const *) (strv1); \
     162      const char * const *__strv2 = (const char * const *) (strv2); \
     163      if (!__strv1 || !__strv2) \
     164        { \
     165          if (__strv1) \
     166            { \
     167              g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     168                                   "assertion failed (" #strv1 " == " #strv2 "): " #strv2 " is NULL, but " #strv1 " is not"); \
     169            } \
     170          else if (__strv2) \
     171            { \
     172              g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     173                                   "assertion failed (" #strv1 " == " #strv2 "): " #strv1 " is NULL, but " #strv2 " is not"); \
     174            } \
     175        } \
     176      else \
     177        { \
     178          guint __l1 = g_strv_length ((char **) __strv1); \
     179          guint __l2 = g_strv_length ((char **) __strv2); \
     180          if (__l1 != __l2) \
     181            { \
     182              char *__msg; \
     183              __msg = g_strdup_printf ("assertion failed (" #strv1 " == " #strv2 "): length %u does not equal length %u", __l1, __l2); \
     184              g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
     185              g_free (__msg); \
     186            } \
     187          else \
     188            { \
     189              guint __i; \
     190              for (__i = 0; __i < __l1; __i++) \
     191                { \
     192                  if (g_strcmp0 (__strv1[__i], __strv2[__i]) != 0) \
     193                    { \
     194                      g_assertion_message_cmpstrv (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     195                                                   #strv1 " == " #strv2, \
     196                                                   __strv1, __strv2, __i); \
     197                    } \
     198                } \
     199            } \
     200        } \
     201    } \
     202    G_STMT_END
     203  #define g_assert_no_errno(expr)         G_STMT_START { \
     204                                               int __ret, __errsv; \
     205                                               errno = 0; \
     206                                               __ret = expr; \
     207                                               __errsv = errno; \
     208                                               if (__ret < 0) \
     209                                                 { \
     210                                                   gchar *__msg; \
     211                                                   __msg = g_strdup_printf ("assertion failed (" #expr " >= 0): errno %i: %s", __errsv, g_strerror (__errsv)); \
     212                                                   g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
     213                                                   g_free (__msg); \
     214                                                 } \
     215                                          } G_STMT_END \
     216                                          GLIB_AVAILABLE_MACRO_IN_2_66
     217  #define g_assert_no_error(err)          G_STMT_START { \
     218                                               if (err) \
     219                                                 g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     220                                                   #err, err, 0, 0); \
     221                                          } G_STMT_END
     222  #define g_assert_error(err, dom, c)     G_STMT_START { \
     223                                                 if (!err || (err)->domain != dom || (err)->code != c) \
     224                                                 g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     225                                                   #err, err, dom, c); \
     226                                          } G_STMT_END
     227  #define g_assert_true(expr)             G_STMT_START { \
     228                                               if G_LIKELY (expr) ; else \
     229                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     230                                                                      "'" #expr "' should be TRUE"); \
     231                                          } G_STMT_END
     232  #define g_assert_false(expr)            G_STMT_START { \
     233                                               if G_LIKELY (!(expr)) ; else \
     234                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     235                                                                      "'" #expr "' should be FALSE"); \
     236                                          } G_STMT_END
     237  
     238  /* Use nullptr in C++ to catch misuse of these macros. */
     239  #if G_CXX_STD_CHECK_VERSION (11)
     240  #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == nullptr) ; else \
     241                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     242                                                                      "'" #expr "' should be nullptr"); \
     243                                          } G_STMT_END
     244  #define g_assert_nonnull(expr)          G_STMT_START { \
     245                                               if G_LIKELY ((expr) != nullptr) ; else \
     246                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     247                                                                      "'" #expr "' should not be nullptr"); \
     248                                          } G_STMT_END
     249  #else /* not C++ */
     250  #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == NULL) ; else \
     251                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     252                                                                      "'" #expr "' should be NULL"); \
     253                                          } G_STMT_END
     254  #define g_assert_nonnull(expr)          G_STMT_START { \
     255                                               if G_LIKELY ((expr) != NULL) ; else \
     256                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     257                                                                      "'" #expr "' should not be NULL"); \
     258                                          } G_STMT_END
     259  #endif
     260  
     261  #ifdef G_DISABLE_ASSERT
     262  /* https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/Other-Builtins.html#index-_005f_005fbuiltin_005funreachable
     263   * GCC 5 is not a strict lower bound for versions of GCC which provide __builtin_unreachable(). */
     264  #if __GNUC__ >= 5 || g_macro__has_builtin(__builtin_unreachable)
     265  #define g_assert_not_reached()          G_STMT_START { (void) 0; __builtin_unreachable (); } G_STMT_END
     266  #elif defined (_MSC_VER)
     267  #define g_assert_not_reached()          G_STMT_START { (void) 0; __assume (0); } G_STMT_END
     268  #else  /* if __builtin_unreachable() is not supported: */
     269  #define g_assert_not_reached()          G_STMT_START { (void) 0; } G_STMT_END
     270  #endif
     271  
     272  #define g_assert(expr)                  G_STMT_START { (void) 0; } G_STMT_END
     273  #else /* !G_DISABLE_ASSERT */
     274  #define g_assert_not_reached()          G_STMT_START { g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } G_STMT_END
     275  #define g_assert(expr)                  G_STMT_START { \
     276                                               if G_LIKELY (expr) ; else \
     277                                                 g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
     278                                                                           #expr); \
     279                                          } G_STMT_END
     280  #endif /* !G_DISABLE_ASSERT */
     281  
     282  GLIB_AVAILABLE_IN_ALL
     283  int     g_strcmp0                       (const char     *str1,
     284                                           const char     *str2);
     285  
     286  /* report performance results */
     287  GLIB_AVAILABLE_IN_ALL
     288  void    g_test_minimized_result         (double          minimized_quantity,
     289                                           const char     *format,
     290                                           ...) G_GNUC_PRINTF (2, 3);
     291  GLIB_AVAILABLE_IN_ALL
     292  void    g_test_maximized_result         (double          maximized_quantity,
     293                                           const char     *format,
     294                                           ...) G_GNUC_PRINTF (2, 3);
     295  
     296  /* initialize testing framework */
     297  GLIB_AVAILABLE_IN_ALL
     298  void    g_test_init                     (int            *argc,
     299                                           char         ***argv,
     300                                           ...) G_GNUC_NULL_TERMINATED;
     301  
     302  /**
     303   * G_TEST_OPTION_ISOLATE_DIRS:
     304   *
     305   * Creates a unique temporary directory for each unit test and uses
     306   * g_set_user_dirs() to set XDG directories to point into subdirectories of it
     307   * for the duration of the unit test. The directory tree is cleaned up after the
     308   * test finishes successfully. Note that this doesn’t take effect until
     309   * g_test_run() is called, so calls to (for example) g_get_user_home_dir() will
     310   * return the system-wide value when made in a test program’s main() function.
     311   *
     312   * The following functions will return subdirectories of the temporary directory
     313   * when this option is used. The specific subdirectory paths in use are not
     314   * guaranteed to be stable API — always use a getter function to retrieve them.
     315   *
     316   *  - g_get_home_dir()
     317   *  - g_get_user_cache_dir()
     318   *  - g_get_system_config_dirs()
     319   *  - g_get_user_config_dir()
     320   *  - g_get_system_data_dirs()
     321   *  - g_get_user_data_dir()
     322   *  - g_get_user_state_dir()
     323   *  - g_get_user_runtime_dir()
     324   *
     325   * The subdirectories may not be created by the test harness; as with normal
     326   * calls to functions like g_get_user_cache_dir(), the caller must be prepared
     327   * to create the directory if it doesn’t exist.
     328   *
     329   * Since: 2.60
     330   */
     331  #define G_TEST_OPTION_ISOLATE_DIRS "isolate_dirs"
     332  
     333  /* While we discourage its use, g_assert() is often used in unit tests
     334   * (especially in legacy code). g_assert_*() should really be used instead.
     335   * g_assert() can be disabled at client program compile time, which can render
     336   * tests useless. Highlight that to the user. */
     337  #ifdef G_DISABLE_ASSERT
     338  #if defined(G_HAVE_ISO_VARARGS)
     339  #define g_test_init(argc, argv, ...) \
     340    G_STMT_START { \
     341      g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
     342      exit (1); \
     343    } G_STMT_END
     344  #elif defined(G_HAVE_GNUC_VARARGS)
     345  #define g_test_init(argc, argv...) \
     346    G_STMT_START { \
     347      g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
     348      exit (1); \
     349    } G_STMT_END
     350  #else  /* no varargs */
     351    /* do nothing */
     352  #endif  /* varargs support */
     353  #endif  /* G_DISABLE_ASSERT */
     354  
     355  /* query testing framework config */
     356  #define g_test_initialized()            (g_test_config_vars->test_initialized)
     357  #define g_test_quick()                  (g_test_config_vars->test_quick)
     358  #define g_test_slow()                   (!g_test_config_vars->test_quick)
     359  #define g_test_thorough()               (!g_test_config_vars->test_quick)
     360  #define g_test_perf()                   (g_test_config_vars->test_perf)
     361  #define g_test_verbose()                (g_test_config_vars->test_verbose)
     362  #define g_test_quiet()                  (g_test_config_vars->test_quiet)
     363  #define g_test_undefined()              (g_test_config_vars->test_undefined)
     364  GLIB_AVAILABLE_IN_2_38
     365  gboolean g_test_subprocess (void);
     366  
     367  /* run all tests under toplevel suite (path: /) */
     368  GLIB_AVAILABLE_IN_ALL
     369  int     g_test_run                      (void);
     370  /* hook up a test functions under test path */
     371  GLIB_AVAILABLE_IN_ALL
     372  void    g_test_add_func                 (const char     *testpath,
     373                                           GTestFunc       test_func);
     374  
     375  GLIB_AVAILABLE_IN_ALL
     376  void    g_test_add_data_func            (const char     *testpath,
     377                                           gconstpointer   test_data,
     378                                           GTestDataFunc   test_func);
     379  
     380  GLIB_AVAILABLE_IN_2_34
     381  void    g_test_add_data_func_full       (const char     *testpath,
     382                                           gpointer        test_data,
     383                                           GTestDataFunc   test_func,
     384                                           GDestroyNotify  data_free_func);
     385  
     386  /* tell about currently run test */
     387  GLIB_AVAILABLE_IN_2_68
     388  const char * g_test_get_path            (void);
     389  
     390  /* tell about failure */
     391  GLIB_AVAILABLE_IN_2_30
     392  void    g_test_fail                     (void);
     393  GLIB_AVAILABLE_IN_2_70
     394  void    g_test_fail_printf              (const char *format,
     395                                           ...) G_GNUC_PRINTF (1, 2);
     396  GLIB_AVAILABLE_IN_2_38
     397  void    g_test_incomplete               (const gchar *msg);
     398  GLIB_AVAILABLE_IN_2_70
     399  void    g_test_incomplete_printf        (const char *format,
     400                                           ...) G_GNUC_PRINTF (1, 2);
     401  GLIB_AVAILABLE_IN_2_38
     402  void    g_test_skip                     (const gchar *msg);
     403  GLIB_AVAILABLE_IN_2_70
     404  void    g_test_skip_printf              (const char *format,
     405                                           ...) G_GNUC_PRINTF (1, 2);
     406  GLIB_AVAILABLE_IN_2_38
     407  gboolean g_test_failed                  (void);
     408  GLIB_AVAILABLE_IN_2_38
     409  void    g_test_set_nonfatal_assertions  (void);
     410  GLIB_AVAILABLE_IN_2_78
     411  void    g_test_disable_crash_reporting  (void);
     412  
     413  /**
     414   * g_test_add:
     415   * @testpath:  The test path for a new test case.
     416   * @Fixture:   The type of a fixture data structure.
     417   * @tdata:     Data argument for the test functions.
     418   * @fsetup:    The function to set up the fixture data.
     419   * @ftest:     The actual test function.
     420   * @fteardown: The function to tear down the fixture data.
     421   *
     422   * Hook up a new test case at @testpath, similar to g_test_add_func().
     423   * A fixture data structure with setup and teardown functions may be provided,
     424   * similar to g_test_create_case().
     425   *
     426   * g_test_add() is implemented as a macro, so that the fsetup(), ftest() and
     427   * fteardown() callbacks can expect a @Fixture pointer as their first argument
     428   * in a type safe manner. They otherwise have type #GTestFixtureFunc.
     429   *
     430   * Since: 2.16
     431   */
     432  #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
     433  					G_STMT_START {			\
     434                                           void (*add_vtable) (const char*,       \
     435                                                      gsize,             \
     436                                                      gconstpointer,     \
     437                                                      void (*) (Fixture*, gconstpointer),   \
     438                                                      void (*) (Fixture*, gconstpointer),   \
     439                                                      void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
     440                                           add_vtable \
     441                                            (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
     442  					} G_STMT_END
     443  
     444  /* add test messages to the test report */
     445  GLIB_AVAILABLE_IN_ALL
     446  void    g_test_message                  (const char *format,
     447                                           ...) G_GNUC_PRINTF (1, 2);
     448  GLIB_AVAILABLE_IN_ALL
     449  void    g_test_bug_base                 (const char *uri_pattern);
     450  GLIB_AVAILABLE_IN_ALL
     451  void    g_test_bug                      (const char *bug_uri_snippet);
     452  GLIB_AVAILABLE_IN_2_62
     453  void    g_test_summary                  (const char *summary);
     454  /* measure test timings */
     455  GLIB_AVAILABLE_IN_ALL
     456  void    g_test_timer_start              (void);
     457  GLIB_AVAILABLE_IN_ALL
     458  double  g_test_timer_elapsed            (void); /* elapsed seconds */
     459  GLIB_AVAILABLE_IN_ALL
     460  double  g_test_timer_last               (void); /* repeat last elapsed() result */
     461  
     462  /* automatically g_free or g_object_unref upon teardown */
     463  GLIB_AVAILABLE_IN_ALL
     464  void    g_test_queue_free               (gpointer gfree_pointer);
     465  GLIB_AVAILABLE_IN_ALL
     466  void    g_test_queue_destroy            (GDestroyNotify destroy_func,
     467                                           gpointer       destroy_data);
     468  #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
     469  
     470  /**
     471   * GTestTrapFlags:
     472   * @G_TEST_TRAP_DEFAULT: Default behaviour. Since: 2.74
     473   * @G_TEST_TRAP_SILENCE_STDOUT: Redirect stdout of the test child to
     474   *     `/dev/null` so it cannot be observed on the console during test
     475   *     runs. The actual output is still captured though to allow later
     476   *     tests with g_test_trap_assert_stdout().
     477   * @G_TEST_TRAP_SILENCE_STDERR: Redirect stderr of the test child to
     478   *     `/dev/null` so it cannot be observed on the console during test
     479   *     runs. The actual output is still captured though to allow later
     480   *     tests with g_test_trap_assert_stderr().
     481   * @G_TEST_TRAP_INHERIT_STDIN: If this flag is given, stdin of the
     482   *     child process is shared with stdin of its parent process.
     483   *     It is redirected to `/dev/null` otherwise.
     484   *
     485   * Test traps are guards around forked tests.
     486   * These flags determine what traps to set.
     487   *
     488   * Deprecated: 2.38: #GTestTrapFlags is used only with g_test_trap_fork(),
     489   * which is deprecated. g_test_trap_subprocess() uses
     490   * #GTestSubprocessFlags.
     491   */
     492  typedef enum {
     493    G_TEST_TRAP_DEFAULT GLIB_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
     494    G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
     495    G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
     496    G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
     497  } GTestTrapFlags GLIB_DEPRECATED_TYPE_IN_2_38_FOR(GTestSubprocessFlags);
     498  
     499  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
     500  
     501  GLIB_DEPRECATED_IN_2_38_FOR (g_test_trap_subprocess)
     502  gboolean g_test_trap_fork               (guint64              usec_timeout,
     503                                           GTestTrapFlags       test_trap_flags);
     504  
     505  G_GNUC_END_IGNORE_DEPRECATIONS
     506  
     507  typedef enum {
     508    G_TEST_SUBPROCESS_DEFAULT GLIB_AVAILABLE_ENUMERATOR_IN_2_74 = 0,
     509    G_TEST_SUBPROCESS_INHERIT_STDIN  = 1 << 0,
     510    G_TEST_SUBPROCESS_INHERIT_STDOUT = 1 << 1,
     511    G_TEST_SUBPROCESS_INHERIT_STDERR = 1 << 2
     512  } GTestSubprocessFlags;
     513  
     514  GLIB_AVAILABLE_IN_2_38
     515  void     g_test_trap_subprocess         (const char           *test_path,
     516                                           guint64               usec_timeout,
     517                                           GTestSubprocessFlags  test_flags);
     518  GLIB_AVAILABLE_IN_2_80
     519  void     g_test_trap_subprocess_with_envp (const char           *test_path,
     520                                             const char * const   *envp,
     521                                             guint64               usec_timeout,
     522                                             GTestSubprocessFlags  test_flags);
     523  
     524  GLIB_AVAILABLE_IN_ALL
     525  gboolean g_test_trap_has_passed         (void);
     526  GLIB_AVAILABLE_IN_ALL
     527  gboolean g_test_trap_reached_timeout    (void);
     528  #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
     529  #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
     530  #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
     531  #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
     532  #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
     533  #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
     534  
     535  /* provide seed-able random numbers for tests */
     536  #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
     537  GLIB_AVAILABLE_IN_ALL
     538  gint32   g_test_rand_int                (void);
     539  GLIB_AVAILABLE_IN_ALL
     540  gint32   g_test_rand_int_range          (gint32          begin,
     541                                           gint32          end);
     542  GLIB_AVAILABLE_IN_ALL
     543  double   g_test_rand_double             (void);
     544  GLIB_AVAILABLE_IN_ALL
     545  double   g_test_rand_double_range       (double          range_start,
     546                                           double          range_end);
     547  
     548  /*
     549   * semi-internal API: non-documented symbols with stable ABI. You
     550   * should use the non-internal helper macros instead. However, for
     551   * compatibility reason, you may use this semi-internal API.
     552   */
     553  GLIB_AVAILABLE_IN_ALL
     554  GTestCase*    g_test_create_case        (const char       *test_name,
     555                                           gsize             data_size,
     556                                           gconstpointer     test_data,
     557                                           GTestFixtureFunc  data_setup,
     558                                           GTestFixtureFunc  data_test,
     559                                           GTestFixtureFunc  data_teardown);
     560  GLIB_AVAILABLE_IN_ALL
     561  GTestSuite*   g_test_create_suite       (const char       *suite_name);
     562  GLIB_AVAILABLE_IN_ALL
     563  GTestSuite*   g_test_get_root           (void);
     564  GLIB_AVAILABLE_IN_ALL
     565  void          g_test_suite_add          (GTestSuite     *suite,
     566                                           GTestCase      *test_case);
     567  GLIB_AVAILABLE_IN_ALL
     568  void          g_test_suite_add_suite    (GTestSuite     *suite,
     569                                           GTestSuite     *nestedsuite);
     570  GLIB_AVAILABLE_IN_ALL
     571  int           g_test_run_suite          (GTestSuite     *suite);
     572  
     573  GLIB_AVAILABLE_IN_2_70
     574  void          g_test_case_free          (GTestCase *test_case);
     575  
     576  GLIB_AVAILABLE_IN_2_70
     577  void          g_test_suite_free         (GTestSuite     *suite);
     578  
     579  GLIB_AVAILABLE_IN_ALL
     580  void    g_test_trap_assertions          (const char     *domain,
     581                                           const char     *file,
     582                                           int             line,
     583                                           const char     *func,
     584                                           guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
     585                                           const char     *pattern);
     586  GLIB_AVAILABLE_IN_ALL
     587  void    g_assertion_message             (const char     *domain,
     588                                           const char     *file,
     589                                           int             line,
     590                                           const char     *func,
     591                                           const char     *message) G_ANALYZER_NORETURN;
     592  G_NORETURN
     593  GLIB_AVAILABLE_IN_ALL
     594  void    g_assertion_message_expr        (const char     *domain,
     595                                           const char     *file,
     596                                           int             line,
     597                                           const char     *func,
     598                                           const char     *expr);
     599  GLIB_AVAILABLE_IN_ALL
     600  void    g_assertion_message_cmpstr      (const char     *domain,
     601                                           const char     *file,
     602                                           int             line,
     603                                           const char     *func,
     604                                           const char     *expr,
     605                                           const char     *arg1,
     606                                           const char     *cmp,
     607                                           const char     *arg2) G_ANALYZER_NORETURN;
     608  
     609  GLIB_AVAILABLE_IN_2_68
     610  void    g_assertion_message_cmpstrv     (const char         *domain,
     611                                           const char         *file,
     612                                           int                 line,
     613                                           const char         *func,
     614                                           const char         *expr,
     615                                           const char * const *arg1,
     616                                           const char * const *arg2,
     617                                           gsize               first_wrong_idx) G_ANALYZER_NORETURN;
     618  GLIB_AVAILABLE_IN_2_78
     619  void    g_assertion_message_cmpint      (const char     *domain,
     620                                           const char     *file,
     621                                           int             line,
     622                                           const char     *func,
     623                                           const char     *expr,
     624                                           guint64         arg1,
     625                                           const char     *cmp,
     626                                           guint64         arg2,
     627                                           char            numtype) G_ANALYZER_NORETURN;
     628  GLIB_AVAILABLE_IN_ALL
     629  void    g_assertion_message_cmpnum      (const char     *domain,
     630                                           const char     *file,
     631                                           int             line,
     632                                           const char     *func,
     633                                           const char     *expr,
     634                                           long double     arg1,
     635                                           const char     *cmp,
     636                                           long double     arg2,
     637                                           char            numtype) G_ANALYZER_NORETURN;
     638  GLIB_AVAILABLE_IN_ALL
     639  void    g_assertion_message_error       (const char     *domain,
     640                                           const char     *file,
     641                                           int             line,
     642                                           const char     *func,
     643                                           const char     *expr,
     644                                           const GError   *error,
     645                                           GQuark          error_domain,
     646                                           int             error_code) G_ANALYZER_NORETURN;
     647  GLIB_AVAILABLE_IN_ALL
     648  void    g_test_add_vtable               (const char     *testpath,
     649                                           gsize           data_size,
     650                                           gconstpointer   test_data,
     651                                           GTestFixtureFunc  data_setup,
     652                                           GTestFixtureFunc  data_test,
     653                                           GTestFixtureFunc  data_teardown);
     654  typedef struct {
     655    gboolean      test_initialized;
     656    gboolean      test_quick;     /* disable thorough tests */
     657    gboolean      test_perf;      /* run performance tests */
     658    gboolean      test_verbose;   /* extra info */
     659    gboolean      test_quiet;     /* reduce output */
     660    gboolean      test_undefined; /* run tests that are meant to assert */
     661  } GTestConfig;
     662  GLIB_VAR const GTestConfig * const g_test_config_vars;
     663  
     664  /* internal logging API */
     665  typedef enum {
     666    G_TEST_RUN_SUCCESS,
     667    G_TEST_RUN_SKIPPED,
     668    G_TEST_RUN_FAILURE,
     669    G_TEST_RUN_INCOMPLETE
     670  } GTestResult;
     671  
     672  typedef enum {
     673    G_TEST_LOG_NONE,
     674    G_TEST_LOG_ERROR,             /* s:msg */
     675    G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
     676    G_TEST_LOG_LIST_CASE,         /* s:testpath */
     677    G_TEST_LOG_SKIP_CASE,         /* s:testpath */
     678    G_TEST_LOG_START_CASE,        /* s:testpath */
     679    G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
     680    G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
     681    G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
     682    G_TEST_LOG_MESSAGE,           /* s:blurb */
     683    G_TEST_LOG_START_SUITE,
     684    G_TEST_LOG_STOP_SUITE
     685  } GTestLogType;
     686  
     687  typedef struct {
     688    GTestLogType  log_type;
     689    guint         n_strings;
     690    gchar       **strings; /* NULL terminated */
     691    guint         n_nums;
     692    long double  *nums;
     693  } GTestLogMsg;
     694  typedef struct {
     695    /*< private >*/
     696    GString     *data;
     697    GSList      *msgs;
     698  } GTestLogBuffer;
     699  
     700  GLIB_AVAILABLE_IN_ALL
     701  const char*     g_test_log_type_name    (GTestLogType    log_type);
     702  GLIB_AVAILABLE_IN_ALL
     703  GTestLogBuffer* g_test_log_buffer_new   (void);
     704  GLIB_AVAILABLE_IN_ALL
     705  void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
     706  GLIB_AVAILABLE_IN_ALL
     707  void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
     708                                           guint           n_bytes,
     709                                           const guint8   *bytes);
     710  GLIB_AVAILABLE_IN_ALL
     711  GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
     712  GLIB_AVAILABLE_IN_ALL
     713  void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
     714  
     715  /**
     716   * GTestLogFatalFunc:
     717   * @log_domain: the log domain of the message
     718   * @log_level: the log level of the message (including the fatal and recursion flags)
     719   * @message: the message to process
     720   * @user_data: user data, set in g_test_log_set_fatal_handler()
     721   *
     722   * Specifies the prototype of fatal log handler functions.
     723   *
     724   * Returns: %TRUE if the program should abort, %FALSE otherwise
     725   *
     726   * Since: 2.22
     727   */
     728  typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
     729                                                   GLogLevelFlags  log_level,
     730                                                   const gchar    *message,
     731                                                   gpointer        user_data);
     732  GLIB_AVAILABLE_IN_ALL
     733  void
     734  g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
     735                                           gpointer          user_data);
     736  
     737  GLIB_AVAILABLE_IN_2_34
     738  void    g_test_expect_message                    (const gchar    *log_domain,
     739                                                    GLogLevelFlags  log_level,
     740                                                    const gchar    *pattern);
     741  GLIB_AVAILABLE_IN_2_34
     742  void    g_test_assert_expected_messages_internal (const char     *domain,
     743                                                    const char     *file,
     744                                                    int             line,
     745                                                    const char     *func);
     746  
     747  typedef enum
     748  {
     749    G_TEST_DIST,
     750    G_TEST_BUILT
     751  } GTestFileType;
     752  
     753  GLIB_AVAILABLE_IN_2_38
     754  gchar * g_test_build_filename                    (GTestFileType   file_type,
     755                                                    const gchar    *first_path,
     756                                                    ...) G_GNUC_NULL_TERMINATED;
     757  GLIB_AVAILABLE_IN_2_38
     758  const gchar *g_test_get_dir                      (GTestFileType   file_type);
     759  GLIB_AVAILABLE_IN_2_38
     760  const gchar *g_test_get_filename                 (GTestFileType   file_type,
     761                                                    const gchar    *first_path,
     762                                                    ...) G_GNUC_NULL_TERMINATED;
     763  
     764  #define g_test_assert_expected_messages() g_test_assert_expected_messages_internal (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC)
     765  
     766  G_END_DECLS
     767  
     768  #endif /* __G_TEST_UTILS_H__ */