128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
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/*
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*
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* MINCTEST - Minimal C Test Library - 0.1
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*
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* Copyright (c) 2014, 2015, 2016 Lewis Van Winkle
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*
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* http://CodePlea.com
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgement in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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*/
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/*
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* MINCTEST - Minimal testing library for C
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*
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*
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* Example:
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*
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* void test1() {
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* lok('a' == 'a');
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* }
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*
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* void test2() {
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* lequal(5, 6);
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* lfequal(5.5, 5.6);
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* }
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*
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* int main() {
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* lrun("test1", test1);
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* lrun("test2", test2);
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* lresults();
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* return lfails != 0;
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* }
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*
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*
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*
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* Hints:
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* All functions/variables start with the letter 'l'.
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*
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*/
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#ifndef __MINCTEST_H__
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#define __MINCTEST_H__
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#include <stdio.h>
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#include <math.h>
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#include <time.h>
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/* How far apart can floats be before we consider them unequal. */
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#define LTEST_FLOAT_TOLERANCE 0.001
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/* Track the number of passes, fails. */
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/* NB this is made for all tests to be in one file. */
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static int ltests = 0;
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static int lfails = 0;
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/* Display the test results. */
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#define lresults() do {\
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if (lfails == 0) {\
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printf("ALL TESTS PASSED (%d/%d)\n", ltests, ltests);\
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} else {\
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printf("SOME TESTS FAILED (%d/%d)\n", ltests-lfails, ltests);\
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}\
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} while (0)
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/* Run a test. Name can be any string to print out, test is the function name to call. */
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#define lrun(name, test) do {\
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const int ts = ltests;\
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const int fs = lfails;\
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const clock_t start = clock();\
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printf("\t%-14s", name);\
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test();\
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printf("pass:%2d fail:%2d %4dms\n",\
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(ltests-ts)-(lfails-fs), lfails-fs,\
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(int)((clock() - start) * 1000 / CLOCKS_PER_SEC));\
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} while (0)
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/* Assert a true statement. */
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#define lok(test) do {\
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++ltests;\
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if (!(test)) {\
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++lfails;\
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printf("%s:%d error \n", __FILE__, __LINE__);\
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}} while (0)
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/* Assert two integers are equal. */
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#define lequal(a, b) do {\
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++ltests;\
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if ((a) != (b)) {\
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++lfails;\
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printf("%s:%d (%d != %d)\n", __FILE__, __LINE__, (a), (b));\
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}} while (0)
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/* Assert two floats are equal (Within LTEST_FLOAT_TOLERANCE). */
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#define lfequal(a, b) do {\
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++ltests;\
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if (fabs((double)(a)-(double)(b)) > LTEST_FLOAT_TOLERANCE) {\
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++lfails;\
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printf("%s:%d (%f != %f)\n", __FILE__, __LINE__, (double)(a), (double)(b));\
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}} while (0)
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#endif /*__MINCTEST_H__*/
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