text: /* GLib testing utilities
   * Copyright (C) 2007 Imendio AB
   * Authors: Tim Janik
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef __G_TEST_UTILS_H__
  #define __G_TEST_UTILS_H__
  
  #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  #error "Only <glib.h> can be included directly."
  #endif
  
  #include <glib/gmessages.h>
  #include <glib/gstring.h>
  #include <glib/gerror.h>
  #include <glib/gslist.h>
  #include <string.h>
  
  G_BEGIN_DECLS
  
  typedef struct GTestCase  GTestCase;
  typedef struct GTestSuite GTestSuite;
  typedef void (*GTestFunc)        (void);
  typedef void (*GTestDataFunc)    (gconstpointer user_data);
  typedef void (*GTestFixtureFunc) (gpointer      fixture,
                                    gconstpointer user_data);
  
  /* assertion API */
  #define g_assert_cmpstr(s1, cmp, s2)    G_STMT_START { \
                                               const char *__s1 = (s1), *__s2 = (s2); \
                                               if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
                                                 g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #s1 " " #cmp " " #s2, __s1, #cmp, __s2); \
                                          } G_STMT_END
  #define g_assert_cmpint(n1, cmp, n2)    G_STMT_START { \
                                               gint64 __n1 = (n1), __n2 = (n2); \
                                               if (__n1 cmp __n2) ; else \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
                                          } G_STMT_END
  #define g_assert_cmpuint(n1, cmp, n2)   G_STMT_START { \
                                               guint64 __n1 = (n1), __n2 = (n2); \
                                               if (__n1 cmp __n2) ; else \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'i'); \
                                          } G_STMT_END
  #define g_assert_cmphex(n1, cmp, n2)    G_STMT_START {\
                                               guint64 __n1 = (n1), __n2 = (n2); \
                                               if (__n1 cmp __n2) ; else \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'x'); \
                                          } G_STMT_END
  #define g_assert_cmpfloat(n1,cmp,n2)    G_STMT_START { \
                                               long double __n1 = (long double) (n1), __n2 = (long double) (n2); \
                                               if (__n1 cmp __n2) ; else \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #n1 " " #cmp " " #n2, (long double) __n1, #cmp, (long double) __n2, 'f'); \
                                          } G_STMT_END
  #define g_assert_cmpfloat_with_epsilon(n1,n2,epsilon) \
                                          G_STMT_START { \
                                               double __n1 = (n1), __n2 = (n2), __epsilon = (epsilon); \
                                               if (G_APPROX_VALUE (__n1,  __n2, __epsilon)) ; else \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #n1 " == " #n2 " (+/- " #epsilon ")", __n1, "==", __n2, 'f'); \
                                          } G_STMT_END
  #define g_assert_cmpmem(m1, l1, m2, l2) G_STMT_START {\
                                               gconstpointer __m1 = m1, __m2 = m2; \
                                               int __l1 = l1, __l2 = l2; \
                                               if (__l1 != 0 && __m1 == NULL) \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "assertion failed (" #l1 " == 0 || " #m1 " != NULL)"); \
                                               else if (__l2 != 0 && __m2 == NULL) \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "assertion failed (" #l2 " == 0 || " #m2 " != NULL)"); \
                                               else if (__l1 != __l2) \
                                                 g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                             #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", \
                                                                             (long double) __l1, "==", (long double) __l2, 'i'); \
                                               else if (__l1 != 0 && __m2 != NULL && memcmp (__m1, __m2, __l1) != 0) \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "assertion failed (" #m1 " == " #m2 ")"); \
                                          } G_STMT_END
  #define g_assert_cmpvariant(v1, v2) \
    G_STMT_START \
    { \
      GVariant *__v1 = (v1), *__v2 = (v2); \
      if (!g_variant_equal (__v1, __v2)) \
        { \
          gchar *__s1, *__s2, *__msg; \
          __s1 = g_variant_print (__v1, TRUE); \
          __s2 = g_variant_print (__v2, TRUE); \
          __msg = g_strdup_printf ("assertion failed (" #v1 " == " #v2 "): %s does not equal %s", __s1, __s2); \
          g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \
          g_free (__s1); \
          g_free (__s2); \
          g_free (__msg); \
        } \
    } \
    G_STMT_END
  #define g_assert_no_error(err)          G_STMT_START { \
                                               if (err) \
                                                 g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #err, err, 0, 0); \
                                          } G_STMT_END
  #define g_assert_error(err, dom, c)     G_STMT_START { \
                                                 if (!err || (err)->domain != dom || (err)->code != c) \
                                                 g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                   #err, err, dom, c); \
                                          } G_STMT_END
  #define g_assert_true(expr)             G_STMT_START { \
                                               if G_LIKELY (expr) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should be TRUE"); \
                                          } G_STMT_END
  #define g_assert_false(expr)            G_STMT_START { \
                                               if G_LIKELY (!(expr)) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should be FALSE"); \
                                          } G_STMT_END
  
  /* Use nullptr in C++ to catch misuse of these macros. */
  #if defined(__cplusplus) && __cplusplus >= 201100L
  #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == nullptr) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should be nullptr"); \
                                          } G_STMT_END
  #define g_assert_nonnull(expr)          G_STMT_START { \
                                               if G_LIKELY ((expr) != nullptr) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should not be nullptr"); \
                                          } G_STMT_END
  #else /* not C++ */
  #define g_assert_null(expr)             G_STMT_START { if G_LIKELY ((expr) == NULL) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should be NULL"); \
                                          } G_STMT_END
  #define g_assert_nonnull(expr)          G_STMT_START { \
                                               if G_LIKELY ((expr) != NULL) ; else \
                                                 g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                      "'" #expr "' should not be NULL"); \
                                          } G_STMT_END
  #endif
  
  #ifdef G_DISABLE_ASSERT
  /* https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/Other-Builtins.html#index-_005f_005fbuiltin_005funreachable
   * GCC 5 is not a strict lower bound for versions of GCC which provide __builtin_unreachable(). */
  #if __GNUC__ >= 5 || g_macro__has_builtin(__builtin_unreachable)
  #define g_assert_not_reached()          G_STMT_START { (void) 0; __builtin_unreachable (); } G_STMT_END
  #else  /* if __builtin_unreachable() is not supported: */
  #define g_assert_not_reached()          G_STMT_START { (void) 0; } G_STMT_END
  #endif
  
  #define g_assert(expr)                  G_STMT_START { (void) 0; } G_STMT_END
  #else /* !G_DISABLE_ASSERT */
  #define g_assert_not_reached()          G_STMT_START { g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } G_STMT_END
  #define g_assert(expr)                  G_STMT_START { \
                                               if G_LIKELY (expr) ; else \
                                                 g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
                                                                           #expr); \
                                          } G_STMT_END
  #endif /* !G_DISABLE_ASSERT */
  
  GLIB_AVAILABLE_IN_ALL
  int     g_strcmp0                       (const char     *str1,
                                           const char     *str2);
  
  /* report performance results */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_minimized_result         (double          minimized_quantity,
                                           const char     *format,
                                           ...) G_GNUC_PRINTF (2, 3);
  GLIB_AVAILABLE_IN_ALL
  void    g_test_maximized_result         (double          maximized_quantity,
                                           const char     *format,
                                           ...) G_GNUC_PRINTF (2, 3);
  
  /* initialize testing framework */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_init                     (int            *argc,
                                           char         ***argv,
                                           ...) G_GNUC_NULL_TERMINATED;
  
  /**
   * G_TEST_OPTION_ISOLATE_DIRS:
   *
   * Creates a unique temporary directory for each unit test and uses
   * g_set_user_dirs() to set XDG directories to point into subdirectories of it
   * for the duration of the unit test. The directory tree is cleaned up after the
   * test finishes successfully. Note that this doesn’t take effect until
   * g_test_run() is called, so calls to (for example) g_get_user_home_dir() will
   * return the system-wide value when made in a test program’s main() function.
   *
   * The following functions will return subdirectories of the temporary directory
   * when this option is used. The specific subdirectory paths in use are not
   * guaranteed to be stable API — always use a getter function to retrieve them.
   *
   *  - g_get_home_dir()
   *  - g_get_user_cache_dir()
   *  - g_get_system_config_dirs()
   *  - g_get_user_config_dir()
   *  - g_get_system_data_dirs()
   *  - g_get_user_data_dir()
   *  - g_get_user_runtime_dir()
   *
   * The subdirectories may not be created by the test harness; as with normal
   * calls to functions like g_get_user_cache_dir(), the caller must be prepared
   * to create the directory if it doesn’t exist.
   *
   * Since: 2.60
   */
  #define G_TEST_OPTION_ISOLATE_DIRS "isolate_dirs"
  
  /* While we discourage its use, g_assert() is often used in unit tests
   * (especially in legacy code). g_assert_*() should really be used instead.
   * g_assert() can be disabled at client program compile time, which can render
   * tests useless. Highlight that to the user. */
  #ifdef G_DISABLE_ASSERT
  #if defined(G_HAVE_ISO_VARARGS)
  #define g_test_init(argc, argv, ...) \
    G_STMT_START { \
      g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
      exit (1); \
    } G_STMT_END
  #elif defined(G_HAVE_GNUC_VARARGS)
  #define g_test_init(argc, argv...) \
    G_STMT_START { \
      g_printerr ("Tests were compiled with G_DISABLE_ASSERT and are likely no-ops. Aborting.\n"); \
      exit (1); \
    } G_STMT_END
  #else  /* no varargs */
    /* do nothing */
  #endif  /* varargs support */
  #endif  /* G_DISABLE_ASSERT */
  
  /* query testing framework config */
  #define g_test_initialized()            (g_test_config_vars->test_initialized)
  #define g_test_quick()                  (g_test_config_vars->test_quick)
  #define g_test_slow()                   (!g_test_config_vars->test_quick)
  #define g_test_thorough()               (!g_test_config_vars->test_quick)
  #define g_test_perf()                   (g_test_config_vars->test_perf)
  #define g_test_verbose()                (g_test_config_vars->test_verbose)
  #define g_test_quiet()                  (g_test_config_vars->test_quiet)
  #define g_test_undefined()              (g_test_config_vars->test_undefined)
  GLIB_AVAILABLE_IN_2_38
  gboolean g_test_subprocess (void);
  
  /* run all tests under toplevel suite (path: /) */
  GLIB_AVAILABLE_IN_ALL
  int     g_test_run                      (void);
  /* hook up a test functions under test path */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_add_func                 (const char     *testpath,
                                           GTestFunc       test_func);
  
  GLIB_AVAILABLE_IN_ALL
  void    g_test_add_data_func            (const char     *testpath,
                                           gconstpointer   test_data,
                                           GTestDataFunc   test_func);
  
  GLIB_AVAILABLE_IN_2_34
  void    g_test_add_data_func_full       (const char     *testpath,
                                           gpointer        test_data,
                                           GTestDataFunc   test_func,
                                           GDestroyNotify  data_free_func);
  
  /* tell about failure */
  GLIB_AVAILABLE_IN_2_30
  void    g_test_fail                     (void);
  GLIB_AVAILABLE_IN_2_38
  void    g_test_incomplete               (const gchar *msg);
  GLIB_AVAILABLE_IN_2_38
  void    g_test_skip                     (const gchar *msg);
  GLIB_AVAILABLE_IN_2_38
  gboolean g_test_failed                  (void);
  GLIB_AVAILABLE_IN_2_38
  void    g_test_set_nonfatal_assertions  (void);
  
  /**
   * g_test_add:
   * @testpath:  The test path for a new test case.
   * @Fixture:   The type of a fixture data structure.
   * @tdata:     Data argument for the test functions.
   * @fsetup:    The function to set up the fixture data.
   * @ftest:     The actual test function.
   * @fteardown: The function to tear down the fixture data.
   *
   * Hook up a new test case at @testpath, similar to g_test_add_func().
   * A fixture data structure with setup and teardown functions may be provided,
   * similar to g_test_create_case().
   *
   * g_test_add() is implemented as a macro, so that the fsetup(), ftest() and
   * fteardown() callbacks can expect a @Fixture pointer as their first argument
   * in a type safe manner. They otherwise have type #GTestFixtureFunc.
   *
   * Since: 2.16
   */
  #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
  					G_STMT_START {			\
                                           void (*add_vtable) (const char*,       \
                                                      gsize,             \
                                                      gconstpointer,     \
                                                      void (*) (Fixture*, gconstpointer),   \
                                                      void (*) (Fixture*, gconstpointer),   \
                                                      void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
                                           add_vtable \
                                            (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
  					} G_STMT_END
  
  /* add test messages to the test report */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_message                  (const char *format,
                                           ...) G_GNUC_PRINTF (1, 2);
  GLIB_AVAILABLE_IN_ALL
  void    g_test_bug_base                 (const char *uri_pattern);
  GLIB_AVAILABLE_IN_ALL
  void    g_test_bug                      (const char *bug_uri_snippet);
  GLIB_AVAILABLE_IN_2_62
  void    g_test_summary                  (const char *summary);
  /* measure test timings */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_timer_start              (void);
  GLIB_AVAILABLE_IN_ALL
  double  g_test_timer_elapsed            (void); /* elapsed seconds */
  GLIB_AVAILABLE_IN_ALL
  double  g_test_timer_last               (void); /* repeat last elapsed() result */
  
  /* automatically g_free or g_object_unref upon teardown */
  GLIB_AVAILABLE_IN_ALL
  void    g_test_queue_free               (gpointer gfree_pointer);
  GLIB_AVAILABLE_IN_ALL
  void    g_test_queue_destroy            (GDestroyNotify destroy_func,
                                           gpointer       destroy_data);
  #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
  
  /**
   * GTestTrapFlags:
   * @G_TEST_TRAP_SILENCE_STDOUT: Redirect stdout of the test child to
   *     `/dev/null` so it cannot be observed on the console during test
   *     runs. The actual output is still captured though to allow later
   *     tests with g_test_trap_assert_stdout().
   * @G_TEST_TRAP_SILENCE_STDERR: Redirect stderr of the test child to
   *     `/dev/null` so it cannot be observed on the console during test
   *     runs. The actual output is still captured though to allow later
   *     tests with g_test_trap_assert_stderr().
   * @G_TEST_TRAP_INHERIT_STDIN: If this flag is given, stdin of the
   *     child process is shared with stdin of its parent process.
   *     It is redirected to `/dev/null` otherwise.
   *
   * Test traps are guards around forked tests.
   * These flags determine what traps to set.
   *
   * Deprecated: 2.38: #GTestTrapFlags is used only with g_test_trap_fork(),
   * which is deprecated. g_test_trap_subprocess() uses
   * #GTestSubprocessFlags.
   */
  typedef enum {
    G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
    G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
    G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
  } GTestTrapFlags GLIB_DEPRECATED_TYPE_IN_2_38_FOR(GTestSubprocessFlags);
  
  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
  
  GLIB_DEPRECATED_IN_2_38_FOR (g_test_trap_subprocess)
  gboolean g_test_trap_fork               (guint64              usec_timeout,
                                           GTestTrapFlags       test_trap_flags);
  
  G_GNUC_END_IGNORE_DEPRECATIONS
  
  typedef enum {
    G_TEST_SUBPROCESS_INHERIT_STDIN  = 1 << 0,
    G_TEST_SUBPROCESS_INHERIT_STDOUT = 1 << 1,
    G_TEST_SUBPROCESS_INHERIT_STDERR = 1 << 2
  } GTestSubprocessFlags;
  
  GLIB_AVAILABLE_IN_2_38
  void     g_test_trap_subprocess         (const char           *test_path,
                                           guint64               usec_timeout,
                                           GTestSubprocessFlags  test_flags);
  
  GLIB_AVAILABLE_IN_ALL
  gboolean g_test_trap_has_passed         (void);
  GLIB_AVAILABLE_IN_ALL
  gboolean g_test_trap_reached_timeout    (void);
  #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
  #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
  #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
  #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
  #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
  #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
  
  /* provide seed-able random numbers for tests */
  #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
  GLIB_AVAILABLE_IN_ALL
  gint32   g_test_rand_int                (void);
  GLIB_AVAILABLE_IN_ALL
  gint32   g_test_rand_int_range          (gint32          begin,
                                           gint32          end);
  GLIB_AVAILABLE_IN_ALL
  double   g_test_rand_double             (void);
  GLIB_AVAILABLE_IN_ALL
  double   g_test_rand_double_range       (double          range_start,
                                           double          range_end);
  
  /*
   * semi-internal API: non-documented symbols with stable ABI. You
   * should use the non-internal helper macros instead. However, for
   * compatibility reason, you may use this semi-internal API.
   */
  GLIB_AVAILABLE_IN_ALL
  GTestCase*    g_test_create_case        (const char       *test_name,
                                           gsize             data_size,
                                           gconstpointer     test_data,
                                           GTestFixtureFunc  data_setup,
                                           GTestFixtureFunc  data_test,
                                           GTestFixtureFunc  data_teardown);
  GLIB_AVAILABLE_IN_ALL
  GTestSuite*   g_test_create_suite       (const char       *suite_name);
  GLIB_AVAILABLE_IN_ALL
  GTestSuite*   g_test_get_root           (void);
  GLIB_AVAILABLE_IN_ALL
  void          g_test_suite_add          (GTestSuite     *suite,
                                           GTestCase      *test_case);
  GLIB_AVAILABLE_IN_ALL
  void          g_test_suite_add_suite    (GTestSuite     *suite,
                                           GTestSuite     *nestedsuite);
  GLIB_AVAILABLE_IN_ALL
  int           g_test_run_suite          (GTestSuite     *suite);
  
  GLIB_AVAILABLE_IN_ALL
  void    g_test_trap_assertions          (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
                                           const char     *pattern);
  GLIB_AVAILABLE_IN_ALL
  void    g_assertion_message             (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           const char     *message);
  GLIB_AVAILABLE_IN_ALL
  void    g_assertion_message_expr        (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           const char     *expr) G_GNUC_NORETURN;
  GLIB_AVAILABLE_IN_ALL
  void    g_assertion_message_cmpstr      (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           const char     *expr,
                                           const char     *arg1,
                                           const char     *cmp,
                                           const char     *arg2);
  GLIB_AVAILABLE_IN_ALL
  void    g_assertion_message_cmpnum      (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           const char     *expr,
                                           long double     arg1,
                                           const char     *cmp,
                                           long double     arg2,
                                           char            numtype);
  GLIB_AVAILABLE_IN_ALL
  void    g_assertion_message_error       (const char     *domain,
                                           const char     *file,
                                           int             line,
                                           const char     *func,
                                           const char     *expr,
                                           const GError   *error,
                                           GQuark          error_domain,
                                           int             error_code);
  GLIB_AVAILABLE_IN_ALL
  void    g_test_add_vtable               (const char     *testpath,
                                           gsize           data_size,
                                           gconstpointer   test_data,
                                           GTestFixtureFunc  data_setup,
                                           GTestFixtureFunc  data_test,
                                           GTestFixtureFunc  data_teardown);
  typedef struct {
    gboolean      test_initialized;
    gboolean      test_quick;     /* disable thorough tests */
    gboolean      test_perf;      /* run performance tests */
    gboolean      test_verbose;   /* extra info */
    gboolean      test_quiet;     /* reduce output */
    gboolean      test_undefined; /* run tests that are meant to assert */
  } GTestConfig;
  GLIB_VAR const GTestConfig * const g_test_config_vars;
  
  /* internal logging API */
  typedef enum {
    G_TEST_RUN_SUCCESS,
    G_TEST_RUN_SKIPPED,
    G_TEST_RUN_FAILURE,
    G_TEST_RUN_INCOMPLETE
  } GTestResult;
  
  typedef enum {
    G_TEST_LOG_NONE,
    G_TEST_LOG_ERROR,             /* s:msg */
    G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
    G_TEST_LOG_LIST_CASE,         /* s:testpath */
    G_TEST_LOG_SKIP_CASE,         /* s:testpath */
    G_TEST_LOG_START_CASE,        /* s:testpath */
    G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
    G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
    G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
    G_TEST_LOG_MESSAGE,           /* s:blurb */
    G_TEST_LOG_START_SUITE,
    G_TEST_LOG_STOP_SUITE
  } GTestLogType;
  
  typedef struct {
    GTestLogType  log_type;
    guint         n_strings;
    gchar       **strings; /* NULL terminated */
    guint         n_nums;
    long double  *nums;
  } GTestLogMsg;
  typedef struct {
    /*< private >*/
    GString     *data;
    GSList      *msgs;
  } GTestLogBuffer;
  
  GLIB_AVAILABLE_IN_ALL
  const char*     g_test_log_type_name    (GTestLogType    log_type);
  GLIB_AVAILABLE_IN_ALL
  GTestLogBuffer* g_test_log_buffer_new   (void);
  GLIB_AVAILABLE_IN_ALL
  void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
  GLIB_AVAILABLE_IN_ALL
  void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
                                           guint           n_bytes,
                                           const guint8   *bytes);
  GLIB_AVAILABLE_IN_ALL
  GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
  GLIB_AVAILABLE_IN_ALL
  void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
  
  /**
   * GTestLogFatalFunc:
   * @log_domain: the log domain of the message
   * @log_level: the log level of the message (including the fatal and recursion flags)
   * @message: the message to process
   * @user_data: user data, set in g_test_log_set_fatal_handler()
   *
   * Specifies the prototype of fatal log handler functions.
   *
   * Returns: %TRUE if the program should abort, %FALSE otherwise
   *
   * Since: 2.22
   */
  typedef gboolean        (*GTestLogFatalFunc)    (const gchar    *log_domain,
                                                   GLogLevelFlags  log_level,
                                                   const gchar    *message,
                                                   gpointer        user_data);
  GLIB_AVAILABLE_IN_ALL
  void
  g_test_log_set_fatal_handler            (GTestLogFatalFunc log_func,
                                           gpointer          user_data);
  
  GLIB_AVAILABLE_IN_2_34
  void    g_test_expect_message                    (const gchar    *log_domain,
                                                    GLogLevelFlags  log_level,
                                                    const gchar    *pattern);
  GLIB_AVAILABLE_IN_2_34
  void    g_test_assert_expected_messages_internal (const char     *domain,
                                                    const char     *file,
                                                    int             line,
                                                    const char     *func);
  
  typedef enum
  {
    G_TEST_DIST,
    G_TEST_BUILT
  } GTestFileType;
  
  GLIB_AVAILABLE_IN_2_38
  gchar * g_test_build_filename                    (GTestFileType   file_type,
                                                    const gchar    *first_path,
                                                    ...) G_GNUC_NULL_TERMINATED;
  GLIB_AVAILABLE_IN_2_38
  const gchar *g_test_get_dir                      (GTestFileType   file_type);
  GLIB_AVAILABLE_IN_2_38
  const gchar *g_test_get_filename                 (GTestFileType   file_type,
                                                    const gchar    *first_path,
                                                    ...) G_GNUC_NULL_TERMINATED;
  
  #define g_test_assert_expected_messages() g_test_assert_expected_messages_internal (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC)
  
  G_END_DECLS
  
  #endif /* __G_TEST_UTILS_H__ */
  