gcc/selftest.c

   1 /* A self-testing framework, for use by -fself-test.
   2    Copyright (C) 2015-2016 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #include "config.h"
  21 #include "system.h"
  22 #include "coretypes.h"
  23 #include "selftest.h"
  24
  25 #if CHECKING_P
  26
  27 int selftest::num_passes;
  28
  29 /* Record the successful outcome of some aspect of a test.  */
  30
  31 void
  32 selftest::pass (const location &/*loc*/, const char */*msg*/)
  33 {
  34   num_passes++;
  35 }
  36
  37 /* Report the failed outcome of some aspect of a test and abort.  */
  38
  39 void
  40 selftest::fail (const location &loc, const char *msg)
  41 {
  42   fprintf (stderr,"%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
  43            loc.m_function, msg);
  44   abort ();
  45 }
  46
  47 /* As "fail", but using printf-style formatted output.  */
  48
  49 void
  50 selftest::fail_formatted (const location &loc, const char *fmt, ...)
  51 {
  52   va_list ap;
  53
  54   fprintf (stderr, "%s:%i: %s: FAIL: ", loc.m_file, loc.m_line,
  55            loc.m_function);
  56   va_start (ap, fmt);
  57   vfprintf (stderr, fmt, ap);
  58   va_end (ap);
  59   fprintf (stderr, "\n");
  60   abort ();
  61 }
  62
  63 /* Implementation detail of ASSERT_STREQ.  */
  64
  65 void
  66 selftest::assert_streq (const location &loc,
  67                         const char *desc_expected, const char *desc_actual,
  68                         const char *val_expected, const char *val_actual)
  69 {
  70   if (0 == strcmp (val_expected, val_actual))
  71     ::selftest::pass (loc, "ASSERT_STREQ");
  72   else
  73     ::selftest::fail_formatted
  74         (loc, "ASSERT_STREQ (%s, %s) expected=\"%s\" actual=\"%s\"",
  75          desc_expected, desc_actual, val_expected, val_actual);
  76 }
  77
  78
  79 #endif /* #if CHECKING_P */