support/test-driver.h

   1 /* Interfaces for the test driver.
   2    Copyright (C) 2016-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C 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 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C 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 the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef SUPPORT_TEST_DRIVER_H
  20 #define SUPPORT_TEST_DRIVER_H
  21
  22 #include <sys/cdefs.h>
  23
  24 __BEGIN_DECLS
  25
  26 struct test_config
  27 {
  28   void (*prepare_function) (int argc, char **argv);
  29   int (*test_function) (void);
  30   int (*test_function_argv) (int argc, char **argv);
  31   void (*cleanup_function) (void);
  32   void (*cmdline_function) (int);
  33   const void *options;   /* Custom options if not NULL.  */
  34   int timeout;           /* Test timeout in seconds.  */
  35   int expected_status;   /* Expected exit status.  */
  36   int expected_signal;   /* If non-zero, expect termination by signal.  */
  37   char no_mallopt;       /* Boolean flag to disable mallopt.  */
  38   char no_setvbuf;       /* Boolean flag to disable setvbuf.  */
  39   const char *optstring; /* Short command line options.  */
  40 };
  41
  42 enum
  43   {
  44     /* Test exit status which indicates that the feature is
  45        unsupported. */
  46     EXIT_UNSUPPORTED = 77,
  47
  48     /* Default timeout is twenty seconds.  Tests should normally
  49        complete faster than this, but if they don't, that's abnormal
  50        (a bug) anyways.  */
  51     DEFAULT_TIMEOUT = 20,
  52
  53     /* Used for command line argument parsing.  */
  54     OPT_DIRECT = 1000,
  55     OPT_TESTDIR,
  56   };
  57
  58 /* Options provided by the test driver.  */
  59 #define TEST_DEFAULT_OPTIONS                            \
  60   { "verbose", no_argument, NULL, 'v' },                \
  61   { "direct", no_argument, NULL, OPT_DIRECT },          \
  62   { "test-dir", required_argument, NULL, OPT_TESTDIR }, \
  63
  64 /* The directory the test should use for temporary files.  */
  65 extern const char *test_dir;
  66
  67 /* The number of --verbose arguments specified during program
  68    invocation.  This variable can be used to control the verbosity of
  69    tests.  */
  70 extern unsigned int test_verbose;
  71
  72 /* Output that is only emitted if at least one --verbose argument was
  73    specified. */
  74 #define verbose_printf(...)                      \
  75   do {                                           \
  76     if (test_verbose > 0)                        \
  77       printf (__VA_ARGS__);                      \
  78   } while (0);
  79
  80 int support_test_main (int argc, char **argv, const struct test_config *);
  81
  82 __END_DECLS
  83
  84 #endif /* SUPPORT_TEST_DRIVER_H */