test/testutil.c

   1 /*-
   2  * Utilities for writing OpenSSL unit tests.
   3  *
   4  * More information:
   5  * http://wiki.openssl.org/index.php/How_To_Write_Unit_Tests_For_OpenSSL
   6  *
   7  * Author: Mike Bland (mbland@acm.org)
   8  * Date:   2014-07-15
   9  * ====================================================================
  10  * Copyright (c) 2014 The OpenSSL Project.  All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  *
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in
  21  *    the documentation and/or other materials provided with the
  22  *    distribution.
  23  *
  24  * 3. All advertising materials mentioning features or use of this
  25  *    software must display the following acknowledgment:
  26  *    "This product includes software developed by the OpenSSL Project
  27  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  28  *
  29  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  30  *    endorse or promote products derived from this software without
  31  *    prior written permission. For written permission, please contact
  32  *    licensing@OpenSSL.org.
  33  *
  34  * 5. Products derived from this software may not be called "OpenSSL"
  35  *    nor may "OpenSSL" appear in their names without prior written
  36  *    permission of the OpenSSL Project.
  37  *
  38  * 6. Redistributions of any form whatsoever must retain the following
  39  *    acknowledgment:
  40  *    "This product includes software developed by the OpenSSL Project
  41  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  44  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  46  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  47  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  49  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  50  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  52  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  53  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  54  * OF THE POSSIBILITY OF SUCH DAMAGE.
  55  * ====================================================================
  56  */
  57
  58 #include "testutil.h"
  59
  60 #include <assert.h>
  61 #include <stdlib.h>
  62 #include <stdio.h>
  63 #include "e_os.h"
  64
  65 /*
  66  * Declares the structures needed to register each test case function.
  67  */
  68 typedef struct test_info {
  69     const char *test_case_name;
  70     int (*test_fn) ();
  71     int (*param_test_fn)(int idx);
  72     int num;
  73 } TEST_INFO;
  74
  75 static TEST_INFO all_tests[1024];
  76 static int num_tests = 0;
  77 /*
  78  * A parameterised tests runs a loop of test cases.
  79  * |num_test_cases| counts the total number of test cases
  80  * across all tests.
  81  */
  82 static int num_test_cases = 0;
  83
  84 void add_test(const char *test_case_name, int (*test_fn) ())
  85 {
  86     assert(num_tests != OSSL_NELEM(all_tests));
  87     all_tests[num_tests].test_case_name = test_case_name;
  88     all_tests[num_tests].test_fn = test_fn;
  89     all_tests[num_tests].num = -1;
  90     ++num_test_cases;
  91     ++num_tests;
  92 }
  93
  94 void add_all_tests(const char *test_case_name, int(*test_fn)(int idx),
  95                    int num)
  96 {
  97     assert(num_tests != OSSL_NELEM(all_tests));
  98     all_tests[num_tests].test_case_name = test_case_name;
  99     all_tests[num_tests].param_test_fn = test_fn;
 100     all_tests[num_tests].num = num;
 101     ++num_tests;
 102     num_test_cases += num;
 103 }
 104
 105 int run_tests(const char *test_prog_name)
 106 {
 107     int num_failed = 0;
 108
 109     int i, j;
 110
 111     printf("%s: %d test case%s\n", test_prog_name, num_test_cases,
 112            num_test_cases == 1 ? "" : "s");
 113
 114     for (i = 0; i != num_tests; ++i) {
 115         if (all_tests[i].num == -1) {
 116             if (all_tests[i].test_fn()) {
 117                 printf("** %s failed **\n--------\n",
 118                        all_tests[i].test_case_name);
 119                 ++num_failed;
 120             }
 121         } else {
 122             for (j = 0; j < all_tests[i].num; j++) {
 123                 if (all_tests[i].param_test_fn(j)) {
 124                     printf("** %s failed test %d\n--------\n",
 125                            all_tests[i].test_case_name, j);
 126                     ++num_failed;
 127                 }
 128             }
 129         }
 130     }
 131
 132     if (num_failed != 0) {
 133         printf("%s: %d test%s failed (out of %d)\n", test_prog_name,
 134                num_failed, num_failed != 1 ? "s" : "", num_test_cases);
 135         return EXIT_FAILURE;
 136     }
 137     printf("  All tests passed.\n");
 138     return EXIT_SUCCESS;
 139 }