glib/gtestutils.h

   1 /* GLib testing utilities
   2  * Copyright (C) 2007 Imendio AB
   3  * Authors: Tim Janik
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  22 #error "Only <glib.h> can be included directly."
  23 #endif
  24
  25 #ifndef __G_TEST_UTILS_H__
  26 #define __G_TEST_UTILS_H__
  27
  28 #include <glib.h>
  29
  30 G_BEGIN_DECLS
  31
  32 typedef struct GTestCase  GTestCase;
  33 typedef struct GTestSuite GTestSuite;
  34
  35 /* assertion API */
  36 #define g_assert_cmpstr(s1, cmp, s2)    do { const char *__s1 = (s1), *__s2 = (s2); \
  37                                              if (g_strcmp0 (__s1, __s2) cmp 0) ; else \
  38                                                g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  39                                                  #s1 " " #cmp " " #s2, __s1, #cmp, __s2); } while (0)
  40 #define g_assert_cmpint(n1, cmp, n2)    do { gint64 __n1 = (n1), __n2 = (n2); \
  41                                              if (__n1 cmp __n2) ; else \
  42                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  43                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0)
  44 #define g_assert_cmpuint(n1, cmp, n2)   do { guint64 __n1 = (n1), __n2 = (n2); \
  45                                              if (__n1 cmp __n2) ; else \
  46                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  47                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0)
  48 #define g_assert_cmphex(n1, cmp, n2)    do { guint64 __n1 = (n1), __n2 = (n2); \
  49                                              if (__n1 cmp __n2) ; else \
  50                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  51                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); } while (0)
  52 #define g_assert_cmpfloat(n1,cmp,n2)    do { long double __n1 = (n1), __n2 = (n2); \
  53                                              if (__n1 cmp __n2) ; else \
  54                                                g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  55                                                  #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'f'); } while (0)
  56 #ifdef G_DISABLE_ASSERT
  57 #define g_assert_not_reached()          do { (void) 0; } while (0)
  58 #define g_assert(expr)                  do { (void) 0; } while (0)
  59 #else /* !G_DISABLE_ASSERT */
  60 #define g_assert_not_reached()          do { g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } while (0)
  61 #define g_assert(expr)                  do { if G_LIKELY (expr) ; else \
  62                                                g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
  63                                                  #expr); } while (0)
  64 #endif /* !G_DISABLE_ASSERT */
  65
  66 int     g_strcmp0                       (const char     *str1,
  67                                          const char     *str2);
  68
  69 /* report performance results */
  70 void    g_test_minimized_result         (double          minimized_quantity,
  71                                          const char     *format,
  72                                          ...) G_GNUC_PRINTF (2, 3);
  73 void    g_test_maximized_result         (double          maximized_quantity,
  74                                          const char     *format,
  75                                          ...) G_GNUC_PRINTF (2, 3);
  76
  77 /* initialize testing framework */
  78 void    g_test_init                     (int            *argc,
  79                                          char         ***argv,
  80                                          ...);
  81 /* query testing framework config */
  82 #define g_test_quick()                  (g_test_config_vars->test_quick)
  83 #define g_test_slow()                   (!g_test_config_vars->test_quick)
  84 #define g_test_thorough()               (!g_test_config_vars->test_quick)
  85 #define g_test_perf()                   (g_test_config_vars->test_perf)
  86 #define g_test_verbose()                (g_test_config_vars->test_verbose)
  87 #define g_test_quiet()                  (g_test_config_vars->test_quiet)
  88 /* run all tests under toplevel suite (path: /) */
  89 int     g_test_run                      (void);
  90 /* hook up a test functions under test path */
  91 void    g_test_add_func                 (const char     *testpath,
  92                                          void          (*test_func) (void));
  93 void    g_test_add_data_func            (const char     *testpath,
  94                                          gconstpointer   test_data,
  95                                          void          (*test_func) (gconstpointer));
  96 /* hook up a test with fixture under test path */
  97 #define g_test_add(testpath, Fixture, tdata, fsetup, ftest, fteardown) \
  98                                         G_STMT_START {                  \
  99                                          void (*add_vtable) (const char*,       \
 100                                                     gsize,             \
 101                                                     gconstpointer,     \
 102                                                     void (*) (Fixture*, gconstpointer),   \
 103                                                     void (*) (Fixture*, gconstpointer),   \
 104                                                     void (*) (Fixture*, gconstpointer)) =  (void (*) (const gchar *, gsize, gconstpointer, void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer), void (*) (Fixture*, gconstpointer))) g_test_add_vtable; \
 105                                          add_vtable \
 106                                           (testpath, sizeof (Fixture), tdata, fsetup, ftest, fteardown); \
 107                                         } G_STMT_END
 108
 109 /* add test messages to the test report */
 110 void    g_test_message                  (const char *format,
 111                                          ...) G_GNUC_PRINTF (1, 2);
 112 void    g_test_bug_base                 (const char *uri_pattern);
 113 void    g_test_bug                      (const char *bug_uri_snippet);
 114 /* measure test timings */
 115 void    g_test_timer_start              (void);
 116 double  g_test_timer_elapsed            (void); /* elapsed seconds */
 117 double  g_test_timer_last               (void); /* repeat last elapsed() result */
 118
 119 /* automatically g_free or g_object_unref upon teardown */
 120 void    g_test_queue_free               (gpointer gfree_pointer);
 121 void    g_test_queue_destroy            (GDestroyNotify destroy_func,
 122                                          gpointer       destroy_data);
 123 #define g_test_queue_unref(gobject)     g_test_queue_destroy (g_object_unref, gobject)
 124
 125 /* test traps are guards used around forked tests */
 126 typedef enum {
 127   G_TEST_TRAP_SILENCE_STDOUT    = 1 << 7,
 128   G_TEST_TRAP_SILENCE_STDERR    = 1 << 8,
 129   G_TEST_TRAP_INHERIT_STDIN     = 1 << 9
 130 } GTestTrapFlags;
 131 gboolean g_test_trap_fork               (guint64              usec_timeout,
 132                                          GTestTrapFlags       test_trap_flags);
 133 gboolean g_test_trap_has_passed         (void);
 134 gboolean g_test_trap_reached_timeout    (void);
 135 #define  g_test_trap_assert_passed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 0, 0)
 136 #define  g_test_trap_assert_failed()                      g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 1, 0)
 137 #define  g_test_trap_assert_stdout(soutpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 2, soutpattern)
 138 #define  g_test_trap_assert_stdout_unmatched(soutpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 3, soutpattern)
 139 #define  g_test_trap_assert_stderr(serrpattern)           g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 4, serrpattern)
 140 #define  g_test_trap_assert_stderr_unmatched(serrpattern) g_test_trap_assertions (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, 5, serrpattern)
 141
 142 /* provide seed-able random numbers for tests */
 143 #define  g_test_rand_bit()              (0 != (g_test_rand_int() & (1 << 15)))
 144 gint32   g_test_rand_int                (void);
 145 gint32   g_test_rand_int_range          (gint32          begin,
 146                                          gint32          end);
 147 double   g_test_rand_double             (void);
 148 double   g_test_rand_double_range       (double          range_start,
 149                                          double          range_end);
 150
 151 /* semi-internal API */
 152 GTestCase*    g_test_create_case        (const char     *test_name,
 153                                          gsize           data_size,
 154                                          gconstpointer   test_data,
 155                                          void          (*data_setup) (void),
 156                                          void          (*data_test) (void),
 157                                          void          (*data_teardown) (void));
 158 GTestSuite*   g_test_create_suite       (const char     *suite_name);
 159 GTestSuite*   g_test_get_root           (void);
 160 void          g_test_suite_add          (GTestSuite     *suite,
 161                                          GTestCase      *test_case);
 162 void          g_test_suite_add_suite    (GTestSuite     *suite,
 163                                          GTestSuite     *nestedsuite);
 164 int           g_test_run_suite          (GTestSuite     *suite);
 165
 166 /* internal ABI */
 167 void    g_test_trap_assertions          (const char     *domain,
 168                                          const char     *file,
 169                                          int             line,
 170                                          const char     *func,
 171                                          guint64         assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
 172                                          const char     *pattern);
 173 void    g_assertion_message             (const char     *domain,
 174                                          const char     *file,
 175                                          int             line,
 176                                          const char     *func,
 177                                          const char     *message) G_GNUC_NORETURN;
 178 void    g_assertion_message_expr        (const char     *domain,
 179                                          const char     *file,
 180                                          int             line,
 181                                          const char     *func,
 182                                          const char     *expr) G_GNUC_NORETURN;
 183 void    g_assertion_message_cmpstr      (const char     *domain,
 184                                          const char     *file,
 185                                          int             line,
 186                                          const char     *func,
 187                                          const char     *expr,
 188                                          const char     *arg1,
 189                                          const char     *cmp,
 190                                          const char     *arg2) G_GNUC_NORETURN;
 191 void    g_assertion_message_cmpnum      (const char     *domain,
 192                                          const char     *file,
 193                                          int             line,
 194                                          const char     *func,
 195                                          const char     *expr,
 196                                          long double     arg1,
 197                                          const char     *cmp,
 198                                          long double     arg2,
 199                                          char            numtype) G_GNUC_NORETURN;
 200 void    g_test_add_vtable               (const char     *testpath,
 201                                          gsize           data_size,
 202                                          gconstpointer   test_data,
 203                                          void          (*data_setup)    (void),
 204                                          void          (*data_test)     (void),
 205                                          void          (*data_teardown) (void));
 206 typedef struct {
 207   gboolean      test_initialized;
 208   gboolean      test_quick;     /* disable thorough tests */
 209   gboolean      test_perf;      /* run performance tests */
 210   gboolean      test_verbose;   /* extra info */
 211   gboolean      test_quiet;     /* reduce output */
 212 } GTestConfig;
 213 GLIB_VAR const GTestConfig * const g_test_config_vars;
 214
 215 /* internal logging API */
 216 typedef enum {
 217   G_TEST_LOG_NONE,
 218   G_TEST_LOG_ERROR,             /* s:msg */
 219   G_TEST_LOG_START_BINARY,      /* s:binaryname s:seed */
 220   G_TEST_LOG_LIST_CASE,         /* s:testpath */
 221   G_TEST_LOG_SKIP_CASE,         /* s:testpath */
 222   G_TEST_LOG_START_CASE,        /* s:testpath */
 223   G_TEST_LOG_STOP_CASE,         /* d:status d:nforks d:elapsed */
 224   G_TEST_LOG_MIN_RESULT,        /* s:blurb d:result */
 225   G_TEST_LOG_MAX_RESULT,        /* s:blurb d:result */
 226   G_TEST_LOG_MESSAGE            /* s:blurb */
 227 } GTestLogType;
 228
 229 typedef struct {
 230   GTestLogType  log_type;
 231   guint         n_strings;
 232   gchar       **strings; /* NULL terminated */
 233   guint         n_nums;
 234   long double  *nums;
 235 } GTestLogMsg;
 236 typedef struct {
 237   /*< private >*/
 238   GString     *data;
 239   GSList      *msgs;
 240 } GTestLogBuffer;
 241
 242 const char*     g_test_log_type_name    (GTestLogType    log_type);
 243 GTestLogBuffer* g_test_log_buffer_new   (void);
 244 void            g_test_log_buffer_free  (GTestLogBuffer *tbuffer);
 245 void            g_test_log_buffer_push  (GTestLogBuffer *tbuffer,
 246                                          guint           n_bytes,
 247                                          const guint8   *bytes);
 248 GTestLogMsg*    g_test_log_buffer_pop   (GTestLogBuffer *tbuffer);
 249 void            g_test_log_msg_free     (GTestLogMsg    *tmsg);
 250
 251 G_END_DECLS
 252
 253 #endif /* __G_TEST_UTILS_H__ */