Merge branch 'collectd-5.7'
[collectd.git] / src / testing.h
1 /**
2  * collectd - src/tests/macros.h
3  * Copyright (C) 2013-2015  Florian octo Forster
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  *   Florian octo Forster <octo at collectd.org>
25  */
26
27 #ifndef TESTING_H
28 #define TESTING_H 1
29
30 #include <inttypes.h>
31
32 static int fail_count__ = 0;
33 static int check_count__ = 0;
34
35 #ifndef DBL_PRECISION
36 #define DBL_PRECISION 1e-12
37 #endif
38
39 #define DEF_TEST(func) static int test_##func(void)
40
41 #define RUN_TEST(func)                                                         \
42   do {                                                                         \
43     int status;                                                                \
44     printf("Testing %s ...\n", #func);                                         \
45     status = test_##func();                                                    \
46     printf("%s.\n", (status == 0) ? "Success" : "FAILURE");                    \
47     if (status != 0) {                                                         \
48       fail_count__++;                                                          \
49     }                                                                          \
50   } while (0)
51
52 #define END_TEST exit((fail_count__ == 0) ? 0 : 1);
53
54 #define LOG(result, text)                                                      \
55   printf("%s %i - %s\n", result ? "ok" : "not ok", ++check_count__, text)
56
57 #define OK1(cond, text)                                                        \
58   do {                                                                         \
59     _Bool result = (cond);                                                     \
60     LOG(result, text);                                                         \
61     if (!result) {                                                             \
62       return -1;                                                               \
63     }                                                                          \
64   } while (0)
65 #define OK(cond) OK1(cond, #cond)
66
67 #define EXPECT_EQ_STR(expect, actual)                                          \
68   do {                                                                         \
69     /* Evaluate 'actual' only once. */                                         \
70     const char *got__ = actual;                                                \
71     if (strcmp(expect, got__) != 0) {                                          \
72       printf("not ok %i - %s = \"%s\", want \"%s\"\n", ++check_count__,        \
73              #actual, got__, expect);                                          \
74       return -1;                                                               \
75     }                                                                          \
76     printf("ok %i - %s = \"%s\"\n", ++check_count__, #actual, got__);          \
77   } while (0)
78
79 #define EXPECT_EQ_INT(expect, actual)                                          \
80   do {                                                                         \
81     int want__ = (int)expect;                                                  \
82     int got__ = (int)actual;                                                   \
83     if (got__ != want__) {                                                     \
84       printf("not ok %i - %s = %d, want %d\n", ++check_count__, #actual,       \
85              got__, want__);                                                   \
86       return -1;                                                               \
87     }                                                                          \
88     printf("ok %i - %s = %d\n", ++check_count__, #actual, got__);              \
89   } while (0)
90
91 #define EXPECT_EQ_UINT64(expect, actual)                                       \
92   do {                                                                         \
93     uint64_t want__ = (uint64_t)expect;                                        \
94     uint64_t got__ = (uint64_t)actual;                                         \
95     if (got__ != want__) {                                                     \
96       printf("not ok %i - %s = %" PRIu64 ", want %" PRIu64 "\n",               \
97              ++check_count__, #actual, got__, want__);                         \
98       return -1;                                                               \
99     }                                                                          \
100     printf("ok %i - %s = %" PRIu64 "\n", ++check_count__, #actual, got__);     \
101   } while (0)
102
103 #define EXPECT_EQ_DOUBLE(expect, actual)                                       \
104   do {                                                                         \
105     double want__ = (double)expect;                                            \
106     double got__ = (double)actual;                                             \
107     if ((isnan(want__) && !isnan(got__)) ||                                    \
108         (!isnan(want__) && isnan(got__))) {                                    \
109       printf("not ok %i - %s = %.15g, want %.15g\n", ++check_count__, #actual, \
110              got__, want__);                                                   \
111       return -1;                                                               \
112     } else if (!isnan(want__) && (((want__ - got__) < -DBL_PRECISION) ||       \
113                                   ((want__ - got__) > DBL_PRECISION))) {       \
114       printf("not ok %i - %s = %.15g, want %.15g\n", ++check_count__, #actual, \
115              got__, want__);                                                   \
116       return -1;                                                               \
117     }                                                                          \
118     printf("ok %i - %s = %.15g\n", ++check_count__, #actual, got__);           \
119   } while (0)
120
121 #define CHECK_NOT_NULL(expr)                                                   \
122   do {                                                                         \
123     void *ptr_;                                                                \
124     ptr_ = (expr);                                                             \
125     OK1(ptr_ != NULL, #expr);                                                  \
126   } while (0)
127
128 #define CHECK_ZERO(expr)                                                       \
129   do {                                                                         \
130     long status_;                                                              \
131     status_ = (long)(expr);                                                    \
132     OK1(status_ == 0L, #expr);                                                 \
133   } while (0)
134
135 #endif /* TESTING_H */