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145
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1 /* unittest.c -- Test for libbacktrace library
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2 Copyright (C) 2018-2020 Free Software Foundation, Inc.
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3
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4 Redistribution and use in source and binary forms, with or without
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5 modification, are permitted provided that the following conditions are
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6 met:
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7
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8 (1) Redistributions of source code must retain the above copyright
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9 notice, this list of conditions and the following disclaimer.
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10
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11 (2) Redistributions in binary form must reproduce the above copyright
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12 notice, this list of conditions and the following disclaimer in
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13 the documentation and/or other materials provided with the
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14 distribution.
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15
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16 (3) The name of the author may not be used to
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17 endorse or promote products derived from this software without
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18 specific prior written permission.
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19
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20 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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21 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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22 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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23 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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24 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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25 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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26 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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28 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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29 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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30 POSSIBILITY OF SUCH DAMAGE. */
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31
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32 #include <assert.h>
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33 #include <stdio.h>
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34 #include <stdlib.h>
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35 #include <string.h>
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36 #include <unistd.h>
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37
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38 #include "filenames.h"
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39
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40 #include "backtrace.h"
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41 #include "backtrace-supported.h"
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42
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43 #include "testlib.h"
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44
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45 #include "internal.h"
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46
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47 static unsigned count;
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48
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49 static void
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50 error_callback (void *vdata ATTRIBUTE_UNUSED, const char *msg ATTRIBUTE_UNUSED,
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51 int errnum ATTRIBUTE_UNUSED)
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52 {
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53 ++count;
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54 }
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55
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56 static int
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57 test1 (void)
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58 {
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59 int res;
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60 int failed;
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61
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62 struct backtrace_vector vec;
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63
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64 memset (&vec, 0, sizeof vec);
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65
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66 backtrace_vector_grow (state, 100, error_callback, NULL, &vec);
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67 vec.alc += vec.size;
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68 vec.size = 0;
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69
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70 count = 0;
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71 res = backtrace_vector_release (state, &vec, error_callback, NULL);
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72 failed = res != 1 || count != 0 || vec.base != NULL;
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73
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74 printf ("%s: unittest backtrace_vector_release size == 0\n",
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75 failed ? "FAIL": "PASS");
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76
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77 if (failed)
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78 ++failures;
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79
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80 return failures;
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81 }
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82
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83 int
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84 main (int argc ATTRIBUTE_UNUSED, char **argv)
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85 {
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86 state = backtrace_create_state (argv[0], BACKTRACE_SUPPORTS_THREADS,
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87 error_callback_create, NULL);
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88
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89 test1 ();
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90
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91 exit (failures ? EXIT_FAILURE : EXIT_SUCCESS);
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92 }
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