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/*
*
* MINCTEST - Minimal C Test Library - 0.1
*
* Copyright (c) 2014, 2015 Lewis Van Winkle
*
* http://CodePlea.com
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgement in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
*/
/*
* MINCTEST - Minimal testing library for C
*
*
* Example:
*
* void test1() {
* lok('a' == 'a');
* }
*
* void test2() {
* lequal(5, 6);
* lfequal(5.5, 5.6);
* }
*
* int main() {
* lrun("test1", test1);
* lrun("test2", test2);
* lresults();
* return lfails != 0;
* }
*
*
*
* Hints:
* All functions/variables start with the letter 'l'.
*
*/
#ifndef __MINCTEST_H__
#define __MINCTEST_H__
#include <stdio.h>
#include <math.h>
#include <time.h>
/* How far apart can floats be before we consider them unequal. */
#define LTEST_FLOAT_TOLERANCE 0.001
/* Track the number of passes, fails. */
/* NB this is made for all tests to be in one file. */
static int ltests = 0;
static int lfails = 0;
/* Display the test results. */
#define lresults() do {\
if (lfails == 0) {\
printf("ALL TESTS PASSED (%d/%d)\n", ltests, ltests);\
} else {\
printf("SOME TESTS FAILED (%d/%d)\n", ltests-lfails, ltests);\
}\
} while (0)
/* Run a test. Name can be any string to print out, test is the function name to call. */
#define lrun(name, test) do {\
const int ts = ltests;\
const int fs = lfails;\
const clock_t start = clock();\
printf("\t%-14s", name);\
test();\
printf("pass:%2d fail:%2d %4dms\n",\
(ltests-ts)-(lfails-fs), lfails-fs,\
(int)((clock() - start) * 1000 / CLOCKS_PER_SEC));\
} while (0)
/* Assert a true statement. */
#define lok(test) do {\
++ltests;\
if (!(test)) {\
++lfails;\
printf("%s:%d error \n", __FILE__, __LINE__);\
}} while (0)
/* Assert two integers are equal. */
#define lequal(a, b) do {\
++ltests;\
if ((a) != (b)) {\
++lfails;\
printf("%s:%d (%d != %d)\n", __FILE__, __LINE__, (a), (b));\
}} while (0)
/* Assert two floats are equal (Within LTEST_FLOAT_TOLERANCE). */
#define lfequal(a, b) do {\
++ltests;\
const double __LF_COMPARE = fabs((double)(a)-(double)(b));\
if (__LF_COMPARE > LTEST_FLOAT_TOLERANCE || (__LF_COMPARE != __LF_COMPARE)) {\
++lfails;\
printf("%s:%d (%f != %f)\n", __FILE__, __LINE__, (double)(a), (double)(b));\
}} while (0)
#endif /*__MINCTEST_H__*/
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