test/errtest.c

   1 /*
   2  * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <openssl/opensslconf.h>
  11 #include <openssl/err.h>
  12
  13 #include "testutil.h"
  14
  15 #if defined(OPENSSL_SYS_WINDOWS)
  16 # include <windows.h>
  17 #else
  18 # include <errno.h>
  19 #endif
  20
  21 /* Test that querying the error queue preserves the OS error. */
  22 static int preserves_system_error(void)
  23 {
  24 #if defined(OPENSSL_SYS_WINDOWS)
  25     SetLastError(ERROR_INVALID_FUNCTION);
  26     ERR_get_error();
  27     return TEST_int_eq(GetLastError(), ERROR_INVALID_FUNCTION);
  28 #else
  29     errno = EINVAL;
  30     ERR_get_error();
  31     return TEST_int_eq(errno, EINVAL);
  32 #endif
  33 }
  34
  35 /* Test that calls to ERR_add_error_[v]data append */
  36 static int vdata_appends(void)
  37 {
  38     const char *data;
  39
  40     CRYPTOerr(0, ERR_R_MALLOC_FAILURE);
  41     ERR_add_error_data(1, "hello ");
  42     ERR_add_error_data(1, "world");
  43     ERR_get_error_line_data(NULL, NULL, &data, NULL);
  44     return TEST_str_eq(data, "hello world");
  45 }
  46
  47 /* Test that setting a platform error sets the right values. */
  48 static int platform_error(void)
  49 {
  50     const char *f, *data;
  51     int l;
  52     unsigned long e;
  53 #ifndef OPENSSL_NO_FILENAMES
  54     const char *file;
  55     int line;
  56
  57     file = __FILE__;
  58     line = __LINE__ + 2; /* The error is generated on the ERR_raise_data line */
  59 #endif
  60     ERR_raise_data(ERR_LIB_SYS, ERR_R_INTERNAL_ERROR,
  61                    "calling exit()");
  62     if (!TEST_ulong_ne(e = ERR_get_error_line_data(&f, &l, &data, NULL), 0)
  63             || !TEST_int_eq(ERR_GET_REASON(e), ERR_R_INTERNAL_ERROR)
  64 #ifndef OPENSSL_NO_FILENAMES
  65             || !TEST_int_eq(l, line)
  66             || !TEST_str_eq(f, file)
  67 #endif
  68             || !TEST_str_eq(data, "calling exit()"))
  69         return 0;
  70     return 1;
  71 }
  72
  73 int setup_tests(void)
  74 {
  75     ADD_TEST(preserves_system_error);
  76     ADD_TEST(vdata_appends);
  77     ADD_TEST(platform_error);
  78     return 1;
  79 }