1  /* unittest.c -- Test for libbacktrace library
       2     Copyright (C) 2018-2023 Free Software Foundation, Inc.
       3  
       4  Redistribution and use in source and binary forms, with or without
       5  modification, are permitted provided that the following conditions are
       6  met:
       7  
       8      (1) Redistributions of source code must retain the above copyright
       9      notice, this list of conditions and the following disclaimer.
      10  
      11      (2) Redistributions in binary form must reproduce the above copyright
      12      notice, this list of conditions and the following disclaimer in
      13      the documentation and/or other materials provided with the
      14      distribution.
      15  
      16      (3) The name of the author may not be used to
      17      endorse or promote products derived from this software without
      18      specific prior written permission.
      19  
      20  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      21  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      22  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
      23  DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
      24  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
      25  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
      26  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      27  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
      28  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
      29  IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
      30  POSSIBILITY OF SUCH DAMAGE.  */
      31  
      32  #include <assert.h>
      33  #include <stdio.h>
      34  #include <stdlib.h>
      35  #include <string.h>
      36  #include <unistd.h>
      37  
      38  #include "filenames.h"
      39  
      40  #include "backtrace.h"
      41  #include "backtrace-supported.h"
      42  
      43  #include "testlib.h"
      44  
      45  #include "internal.h"
      46  
      47  static unsigned count;
      48  
      49  static void
      50  error_callback (void *vdata ATTRIBUTE_UNUSED, const char *msg ATTRIBUTE_UNUSED,
      51  		int errnum ATTRIBUTE_UNUSED)
      52  {
      53    ++count;
      54  }
      55  
      56  static int
      57  test1 (void)
      58  {
      59    int res;
      60    int failed;
      61  
      62    struct backtrace_vector vec;
      63  
      64    memset (&vec, 0, sizeof vec);
      65  
      66    backtrace_vector_grow (state, 100, error_callback, NULL, &vec);
      67    vec.alc += vec.size;
      68    vec.size = 0;
      69  
      70    count = 0;
      71    res = backtrace_vector_release (state, &vec, error_callback, NULL);
      72    failed = res != 1 || count != 0 || vec.base != NULL;
      73  
      74    printf ("%s: unittest backtrace_vector_release size == 0\n",
      75  	  failed ? "FAIL": "PASS");
      76  
      77    if (failed)
      78      ++failures;
      79  
      80    return failures;
      81  }
      82  
      83  int
      84  main (int argc ATTRIBUTE_UNUSED, char **argv)
      85  {
      86    state = backtrace_create_state (argv[0], BACKTRACE_SUPPORTS_THREADS,
      87  				  error_callback_create, NULL);
      88  
      89    test1 ();
      90  
      91    exit (failures ? EXIT_FAILURE : EXIT_SUCCESS);
      92  }