113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
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/* This is a modified version of the MinUnit testing tool.
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As with the original, you may use this code for any purpose, with the
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understanding that it comes with NO WARRANTY.
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The original can be found at http://www.jera.com/techinfo/jtns/jtn002.html
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USAGE:
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Simmply include minunit.h and implement the testing functions using the
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assertions. To run the tests, call mu_run_test. It will run the tests, print
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out the verbose and if the test passed or failed. Use mu_print_summary to
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print out a summary of the tests (how many were run, how long it took, how many
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failed and how many passed).
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Ex:
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#include "minunit.h"
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#include "myfuncs.h"
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int tests_run = 0, tests_passed = 0, tests_failed = 0;
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char * test_func1()
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{
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// Assert that func1 returns 3 when passed 1.2
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// assertion will return the fail message if fails
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mu_assert(func1(1.2) == 3, "func1 did not return 3 when passed 1.2");
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// If the assertion passed, return 0
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return 0;
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}
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int main()
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{
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mu_run_test(test_func1, "testing func1");
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// If passed the time it took to run the tests will print it. Pass 0.0 to
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// ommit the time
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mu_print_summary(0.0);
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return 0;
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}
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Simply compile and run the test program.
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Author: Leonardo Uieda
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Date: 25 Jan 2011
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*/
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#ifndef _MINUNIT_H_
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#define _MINUNIT_H_
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#include <stdio.h>
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#include <math.h>
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/* Global counters. WARNING: Don't forget to initialize in the main program
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before running the tests! */
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extern int tests_run, tests_passed, tests_failed;
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/* Basic assertion. If fails, returns msg. If passes, returns 0 */
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#define mu_assert(test, msg) do { if (!(test)) return msg; } while (0)
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/* Assert if val equals expect within a certain precision prec */
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#define mu_assert_almost_equals(val, expect, prec, msg) do { \
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if(!(val <= expect + prec && val >= expect - prec)) { return msg; }\
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} while (0)
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/* Assert if val equals expect within a certain precision precision given in % */
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#define mu_assert_almost_equals_rel(val, expect, prec, msg) do { \
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if(fabs(val - expect) > 0.01*prec*fabs(expect)) { return msg; }\
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} while (0)
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/* Run a test case, print the verbose and check if passed or failed */
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int mu_run_test(char *(*test)(void), char *verbose)
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{
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char *msg;
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printf("\n%s... ", verbose);
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msg = test();
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tests_run++;
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if(msg)
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{
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tests_failed++;
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printf("FAIL:%s", msg);
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return 1;
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}
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else
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{
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tests_passed++;
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printf("pass");
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return 0;
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}
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}
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/* Print a summary of the tests ran and how long it took */
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#define mu_print_summary(test_time) \
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printf("\n\n-----------------------------------------------------------"); \
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printf("\nRan %d test(s)", tests_run); \
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if(test_time) { printf(" in %g seconds", test_time); } \
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printf(". %d passed and %d failed.\n", tests_passed, tests_failed);
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/* Utility for copying one array onto another */
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int mu_counter;
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#define mu_arraycp(original, copy, size) \
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do {for(mu_counter=0; mu_counter<size; mu_counter++){ \
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copy[mu_counter]=original[mu_counter]; } \
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} while (0)
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#endif
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