subversion/tests/libsvn_subr/error-test.c

   1 /*
   2  * error-test.c -- test the error functions
   3  *
   4  * ====================================================================
   5  * Copyright (c) 2006 CollabNet.  All rights reserved.
   6  *
   7  * This software is licensed as described in the file COPYING, which
   8  * you should have received as part of this distribution.  The terms
   9  * are also available at http://subversion.tigris.org/license-1.html.
  10  * If newer versions of this license are posted there, you may use a
  11  * newer version instead, at your option.
  12  *
  13  * This software consists of voluntary contributions made by many
  14  * individuals.  For exact contribution history, see the revision
  15  * history and logs, available at http://subversion.tigris.org/.
  16  * ====================================================================
  17  */
  18
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <apr_general.h>
  22
  23 #include "svn_error_codes.h"
  24 #include "svn_error.h"
  25
  26 #include "../svn_test.h"
  27
  28 static svn_error_t *
  29 test_error_root_cause(const char **msg,
  30                       svn_boolean_t msg_only,
  31                       svn_test_opts_t *opts,
  32                       apr_pool_t *pool)
  33 {
  34   apr_status_t secondary_err_codes[] = { SVN_ERR_STREAM_UNRECOGNIZED_DATA,
  35                                          SVN_ERR_STREAM_MALFORMED_DATA };
  36   apr_status_t root_cause_err_code = SVN_ERR_STREAM_UNEXPECTED_EOF;
  37   int i;
  38   svn_error_t *err, *root_err;
  39
  40   *msg = "test svn_error_root_cause";
  41
  42   if (msg_only)
  43     return SVN_NO_ERROR;
  44
  45   /* Nest several errors. */
  46   err = svn_error_create(root_cause_err_code, NULL, "root cause");
  47   for (i = 0; i < 2; i++)
  48     err = svn_error_create(secondary_err_codes[i], err, NULL);
  49
  50   /* Verify that the error is detected at the proper location in the
  51      error chain. */
  52   root_err = svn_error_root_cause(err);
  53   if (root_err == NULL)
  54     {
  55       svn_error_clear(err);
  56       return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
  57                                "svn_error_root_cause failed to locate any "
  58                                "root error in the chain");
  59     }
  60
  61   for (i = 0; i < 2; i++)
  62     {
  63       if (root_err->apr_err == secondary_err_codes[i])
  64         {
  65           svn_error_clear(err);
  66           return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
  67                                    "svn_error_root_cause returned the "
  68                                    "wrong error from the chain");
  69         }
  70     }
  71
  72   if (root_err->apr_err != root_cause_err_code)
  73     {
  74       svn_error_clear(err);
  75       return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
  76                                "svn_error_root_cause failed to locate the "
  77                                "correct error from teh chain");
  78     }
  79
  80   svn_error_clear(err);
  81   return SVN_NO_ERROR;
  82 }
  83
  84 \f
  85 /* The test table.  */
  86
  87 struct svn_test_descriptor_t test_funcs[] =
  88   {
  89     SVN_TEST_NULL,
  90     SVN_TEST_PASS(test_error_root_cause),
  91     SVN_TEST_NULL
  92   };