xref: /minix/external/bsd/libevent/dist/test/tinytest.h (revision e3b78ef1)
1 /*	$NetBSD: tinytest.h,v 1.1.1.1 2013/04/11 16:43:32 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
28 #define _TINYTEST_H
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 /** If you add your own flags, make them start at this point. */
37 #define TT_FIRST_USER_FLAG (1<<3)
38 
39 typedef void (*testcase_fn)(void *);
40 
41 struct testcase_t;
42 
43 /** Functions to initialize/teardown a structure for a testcase. */
44 struct testcase_setup_t {
45 	/** Return a new structure for use by a given testcase. */
46 	void *(*setup_fn)(const struct testcase_t *);
47 	/** Clean/free a structure from setup_fn. Return 1 if ok, 0 on err. */
48 	int (*cleanup_fn)(const struct testcase_t *, void *);
49 };
50 
51 /** A single test-case that you can run. */
52 struct testcase_t {
53 	const char *name; /**< An identifier for this case. */
54 	testcase_fn fn; /**< The function to run to implement this case. */
55 	unsigned long flags; /**< Bitfield of TT_* flags. */
56 	const struct testcase_setup_t *setup; /**< Optional setup/cleanup fns*/
57 	void *setup_data; /**< Extra data usable by setup function */
58 };
59 #define END_OF_TESTCASES { NULL, NULL, 0, NULL, NULL }
60 
61 /** A group of tests that are selectable together. */
62 struct testgroup_t {
63 	const char *prefix; /**< Prefix to prepend to testnames. */
64 	struct testcase_t *cases; /** Array, ending with END_OF_TESTCASES */
65 };
66 #define END_OF_GROUPS { NULL, NULL}
67 
68 /** Implementation: called from a test to indicate failure, before logging. */
69 void _tinytest_set_test_failed(void);
70 /** Implementation: called from a test to indicate that we're skipping. */
71 void _tinytest_set_test_skipped(void);
72 /** Implementation: return 0 for quiet, 1 for normal, 2 for loud. */
73 int _tinytest_get_verbosity(void);
74 /** Implementation: Set a flag on tests matching a name; returns number
75  * of tests that matched. */
76 int _tinytest_set_flag(struct testgroup_t *, const char *, unsigned long);
77 
78 /** Set all tests in 'groups' matching the name 'named' to be skipped. */
79 #define tinytest_skip(groups, named) \
80 	_tinytest_set_flag(groups, named, TT_SKIP)
81 
82 /** Run a single testcase in a single group. */
83 int testcase_run_one(const struct testgroup_t *,const struct testcase_t *);
84 /** Run a set of testcases from an END_OF_GROUPS-terminated array of groups,
85     as selected from the command line. */
86 int tinytest_main(int argc, const char **argv, struct testgroup_t *groups);
87 
88 #endif
89