unittests/unittest.c

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2015 Apple Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17 #include <stdlib.h>
  18 #include "unittest.h"
  19
  20 int _unittest_assert_i(const int condition, const int i, const char * const conditionStr,
  21                        const char * const filename, const unsigned int linenum,
  22                        const char * const functionname, __test_item ** __i, int * const __success)
  23 {
  24     if (!condition)
  25     {
  26         __test_item* tba = malloc(sizeof(__test_item));
  27         tba->next = *__i;
  28         tba->file = filename;
  29         tba->line = linenum;
  30         tba->func = functionname;
  31         tba->s = conditionStr;
  32         tba->iter_count = i;
  33         *__i = tba;
  34         *__success = 0;
  35         printf("F");
  36     }
  37     else
  38     {
  39         printf(".");
  40     }
  41
  42     fflush(NULL);
  43     return condition;
  44 }
  45
  46 void _unittest_print_list(__test_item* __i)
  47 {
  48     __test_item* __tmp = NULL;
  49     while (__i)
  50     {
  51         __test_item* __o = __i->next;
  52         __i->next = __tmp;
  53         __tmp = __i;
  54         __i = __o;
  55     }
  56     __i = __tmp;
  57
  58     while(__i)
  59     {
  60         printf("%s: In function `%s':\n%s:%d: error: failed UNITTEST_ASSERT", __i->file, __i->func, __i->file, __i->line);
  61         if (__i->iter_count != -1) printf(" at iteration %d", __i->iter_count);
  62         printf(": %s\n", __i->s);
  63         __test_item* tbd = __i;
  64         __i = __i->next;
  65         free(tbd);
  66     }
  67 }
  68
  69 // test by building like:
  70 //   gcc -g -Wall -Werror -DTEST_UNITTEST_SCAFFOLD unittest.c
  71 // #define TEST_UNITTEST_SCAFFOLD 1
  72 #if TEST_UNITTEST_SCAFFOLD
  73
  74 // modify this test as necessary to test the scaffold
  75 UNITTEST_HEADER(test1)
  76     int i = 0;
  77     int j = 1;
  78     int k = 2;
  79
  80     UNITTEST_ASSERT(i==j);
  81     UNITTEST_ASSERTI(j==i, k);
  82     UNITTEST_ASSERT(i==i);
  83     UNITTEST_ASSERTI(j==j, k);
  84     UNITTEST_ASSERT_RETURN(j==j);
  85     UNITTEST_ASSERTI_RETURN(j==j, k);
  86 UNITTEST_FOOTER
  87
  88 UNITTEST_HEADER(test2)
  89     UNITTEST_ASSERT(1);
  90     UNITTEST_ASSERT(0);
  91     UNITTEST_ASSERT(1);
  92 UNITTEST_FOOTER
  93
  94 UNITTEST_HEADER(unittest_tests)
  95 UNITTEST_TEST(test1)
  96 UNITTEST_TEST(test2)
  97 UNITTEST_FOOTER
  98
  99 UNITTEST_HEADER(run_tests)
 100 UNITTEST_GROUP(unittest_tests)
 101 UNITTEST_FOOTER
 102
 103 UNITTEST_MAIN
 104
 105 #endif // TEST_UNITTEST_SCAFFOLD