xash3d-fwgs/public/unittest.h

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/*
unittest.h - simple unnamed unit testing framework
Copyright (C) 2019 a1batross
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef UNITTEST_H
#define UNITTEST_H
#include <stdio.h>
struct unittest_s;
typedef void (*pfnTest_t)( struct unittest_s *_self );
typedef struct unittest_s
{
int status; // 0 if succeeded otherwise failed, you can use it as return code
const char *name;
pfnTest_t pfn;
struct unittest_s *next;
} unittest_t;
#define TEST_FIRST_FUNC3(_name, _pfn, _readname) \
static unittest_t _name = { 0, ( _readname ), ( _pfn ), NULL }
#define TEST_FIRST_FUNC2(_name, _pfn) \
TEST_FIRST_FUNC3(_name, _pfn, #_name)
#define TEST_FUNC4(_name, _prevname, _pfn, _readname) \
static unittest_t _name = { 0, ( _readname ), ( _pfn ), &( _prevname ) }
#define TEST_FUNC3(_name, _prevname, _pfn) \
TEST_FUNC4(_name, _prevname, _pfn, #_name)
#define DECLARE_TEST_FUNC(_name) \
static void fn ## _name( struct unittest_s *_self )
#define TEST3(_name, _prevname, _readname) \
DECLARE_TEST_FUNC(_name); \
TEST_FUNC4(_name, _prevname, fn ## _name, _readname ); \
DECLARE_TEST_FUNC(_name)
// {
// your code goes here;
// }
#define TEST(_name, _prevname) \
TEST3(_name, _prevname, #_name)
#define TEST_FIRST2(_name, _readname) \
DECLARE_TEST_FUNC(_name); \
TEST_FIRST_FUNC3(_name, fn ## _name, _readname); \
DECLARE_TEST_FUNC(_name)
#define TEST_FIRST(_name) \
TEST_FIRST2(_name, #_name)
#define IMPLEMENT_RUNNER(_fnname, _lasttest, _msgfunc, _msg ) \
void _fnname( void ) \
{ \
unittest_t *last = &(_lasttest); \
int failed = 0, total = 0; \
_msgfunc( "Starting to test '%s'\n", _msg ); \
for( ; last; last = last->next ) \
{ \
_msgfunc( "Checking '%s'\t\t: ", last->name ); \
last->pfn( last ); \
if( last->status ) \
{ \
_msgfunc( "FAIL %d\n", last->status ); \
failed++; \
} \
else _msgfunc( "PASS\n" ); \
total++; \
} \
_msgfunc( "Summary: %d failed from %d total\n", failed, total ); \
}
#define IMPLEMENT_MAIN(_lasttest, _msg) IMPLEMENT_RUNNER(main, _lasttest, printf, _msg)
#endif // UNITTEST_H