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/**
* @file minunit.h
* @brief Minimal unit testing framework for C
* @author Zed Shaw
*
* @details
* This unit testing framework comes from Zed Shaw's book Learn C The Hard
* Way, and are evolved from the "minunit" code snippets by Jera Design. I've
* added a mu_test_missing() macro to deal with missing unit tests.
*
* @sa dbg.h
*/
#undef NDEBUG
#ifndef _minunit_h
#define _minunit_h
#include "dbg.h"
#include <stdlib.h>
/**
* Start the unit testing suite by creating an empty message
*/
#define mu_suite_start() char *message = NULL
/**
* Check a condition and log the message as an error if it fails
*/
#define mu_assert(test, message) if (!(test)) { log_err(message); return message; }
/**
* Run a test function, return the message if there is one, increment
* tests_run
*/
#define mu_run_test(test) debug("\n-----%s", " " #test); \
message = test(); tests_run++; if (message) return message;
/**
* Definition of main function for the test framework. Defines the output
* presented to stdout/stderr and runs all_tests function provided by "name"
*/
#define RUN_TESTS(name) int main(int argc, char *argv[]) {\
argc = 1; \
debug("\n-----\nRUNNING: %s", argv[0]);\
printf("----\nRUNNING: %s\n", argv[0]);\
char *result = name();\
if (result != 0) {\
printf("\033[91mFAILED:\033[0m %s\n", result);\
}\
else {\
printf("ALL TESTS \033[92mPASSED\033[0m\n");\
}\
printf("Tests run: %d\n", tests_run);\
exit(result != 0);\
}
/**
* Log a warning to stdout when a test is missing and reduce tests_run by 1.
*/
#define mu_test_missing() printf("\033[33;1mWARNING: Test missing\033[0m\n");\
tests_run--;
/**
* Global counter for the number of tests that have been run.
*/
int tests_run;
#endif
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