tor/src/test/tinytest.h

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/* tinytest.h -- Copyright 2009 Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TINYTEST_H
#define _TINYTEST_H
/** Flag for a test that needs to run in a subprocess. */
#define TT_FORK (1<<0)
/** Runtime flag for a test we've decided to skip. */
#define TT_SKIP (1<<1)
/** Internal runtime flag for a test we've decided to run. */
#define _TT_ENABLED (1<<2)
/** If you add your own flags, make them start at this point. */
#define TT_FIRST_USER_FLAG (1<<3)
typedef void (*testcase_fn)(void *);
struct testcase_t;
/** Functions to initialize/teardown a structure for a testcase. */
struct testcase_setup_t {
/** Return a new structure for use by a given testcase. */
void *(*setup_fn)(const struct testcase_t *);
/** Clean/free a structure from setup_fn. Return 1 if ok, 0 on err. */
int (*cleanup_fn)(const struct testcase_t *, void *);
};
/** A single test-case that you can run. */
struct testcase_t {
const char *name; /**< An identifier for this case. */
testcase_fn fn; /**< The function to run to implement this case. */
unsigned long flags; /**< Bitfield of TT_* flags. */
const struct testcase_setup_t *setup; /**< Optional setup/cleanup fns*/
void *setup_data; /**< Extra data usable by setup function */
};
#define END_OF_TESTCASES { NULL, NULL, 0, NULL, NULL }
/** A group of tests that are selectable together. */
struct testgroup_t {
const char *prefix; /**< Prefix to prepend to testnames. */
struct testcase_t *cases; /** Array, ending with END_OF_TESTCASES */
};
#define END_OF_GROUPS { NULL, NULL}
/** Implementation: called from a test to indicate failure, before logging. */
void _tinytest_set_test_failed(void);
/** Implementation: called from a test to indicate that we're skipping. */
void _tinytest_set_test_skipped(void);
/** Implementation: return 0 for quiet, 1 for normal, 2 for loud. */
int _tinytest_get_verbosity(void);
/** Implementation: Set a flag on tests matching a name; returns number
* of tests that matched. */
int _tinytest_set_flag(struct testgroup_t *, const char *, unsigned long);
/** Set all tests in 'groups' matching the name 'named' to be skipped. */
#define tinytest_skip(groups, named) \
_tinytest_set_flag(groups, named, TT_SKIP)
/** Run a single testcase in a single group. */
int testcase_run_one(const struct testgroup_t *,const struct testcase_t *);
/** Run a set of testcases from an END_OF_GROUPS-terminated array of groups,
as selected from the command line. */
int tinytest_main(int argc, const char **argv, struct testgroup_t *groups);
#endif