xref: /netbsd-src/external/bsd/libevent/dist/test/tinytest.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: tinytest.h,v 1.1.1.2 2017/01/31 21:14:53 christos Exp $	*/
2 /* tinytest.h -- Copyright 2009-2012 Nick Mathewson
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef TINYTEST_H_INCLUDED_
28 #define TINYTEST_H_INCLUDED_
29 
30 /** Flag for a test that needs to run in a subprocess. */
31 #define TT_FORK  (1<<0)
32 /** Runtime flag for a test we've decided to skip. */
33 #define TT_SKIP  (1<<1)
34 /** Internal runtime flag for a test we've decided to run. */
35 #define TT_ENABLED_  (1<<2)
36 /** Flag for a test that's off by default. */
37 #define TT_OFF_BY_DEFAULT  (1<<3)
38 /** If you add your own flags, make them start at this point. */
39 #define TT_FIRST_USER_FLAG (1<<4)
40 
41 typedef void (*testcase_fn)(void *);
42 
43 struct testcase_t;
44 
45 /** Functions to initialize/teardown a structure for a testcase. */
46 struct testcase_setup_t {
47 	/** Return a new structure for use by a given testcase. */
48 	void *(*setup_fn)(const struct testcase_t *);
49 	/** Clean/free a structure from setup_fn. Return 1 if ok, 0 on err. */
50 	int (*cleanup_fn)(const struct testcase_t *, void *);
51 };
52 
53 /** A single test-case that you can run. */
54 struct testcase_t {
55 	const char *name; /**< An identifier for this case. */
56 	testcase_fn fn; /**< The function to run to implement this case. */
57 	unsigned long flags; /**< Bitfield of TT_* flags. */
58 	const struct testcase_setup_t *setup; /**< Optional setup/cleanup fns*/
59 	void *setup_data; /**< Extra data usable by setup function */
60 };
61 #define END_OF_TESTCASES { NULL, NULL, 0, NULL, NULL }
62 
63 /** A group of tests that are selectable together. */
64 struct testgroup_t {
65 	const char *prefix; /**< Prefix to prepend to testnames. */
66 	struct testcase_t *cases; /** Array, ending with END_OF_TESTCASES */
67 };
68 #define END_OF_GROUPS { NULL, NULL}
69 
70 struct testlist_alias_t {
71 	const char *name;
72 	const char **tests;
73 };
74 #define END_OF_ALIASES { NULL, NULL }
75 
76 /** Implementation: called from a test to indicate failure, before logging. */
77 void tinytest_set_test_failed_(void);
78 /** Implementation: called from a test to indicate that we're skipping. */
79 void tinytest_set_test_skipped_(void);
80 /** Implementation: return 0 for quiet, 1 for normal, 2 for loud. */
81 int tinytest_get_verbosity_(void);
82 /** Implementation: Set a flag on tests matching a name; returns number
83  * of tests that matched. */
84 int tinytest_set_flag_(struct testgroup_t *, const char *, int set, unsigned long);
85 /** Implementation: Put a chunk of memory into hex. */
86 char *tinytest_format_hex_(const void *, unsigned long);
87 
88 /** Set all tests in 'groups' matching the name 'named' to be skipped. */
89 #define tinytest_skip(groups, named) \
90 	tinytest_set_flag_(groups, named, 1, TT_SKIP)
91 
92 /** Run a single testcase in a single group. */
93 int testcase_run_one(const struct testgroup_t *,const struct testcase_t *);
94 
95 void tinytest_set_aliases(const struct testlist_alias_t *aliases);
96 
97 /** Run a set of testcases from an END_OF_GROUPS-terminated array of groups,
98     as selected from the command line. */
99 int tinytest_main(int argc, const char **argv, struct testgroup_t *groups);
100 
101 #endif
102