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#ifndef _UNITTEST_H_
#define _UNITTEST_H_
#include <stdlib.h>
#include <stdio.h>
#include "stringify.h"
#define TEST_PASS 0
#define TEST_FAIL 1
#define assert_err(fmt, args...) \
fprintf(stderr, "%s:%d: Assertion error: " fmt, __FILE__, __LINE__, ##args)
/* Assert the expression 'expr' */
#define test_assert(expr) ({if (!(expr)) { \
assert_err(__stringify(expr) "\n"); \
exit(TEST_FAIL); \
}})
/* Assert the expression 'expr' and print 'msg' on fail */
#define test_assert_msg(expr, msg) ({if (!(expr)) { \
assert_err(msg "\n"); \
exit(TEST_FAIL); \
}})
/* Assert that a == b */
#define test_assert_eq(a, b) ({ \
if ((a) != (b)) { \
assert_err(__stringify(a) " != " __stringify(b) "\n"); \
exit(TEST_FAIL); \
}})
/* Assert that a != b */
#define test_assert_neq(a, b) ({ \
if ((a) == (b)) { \
assert_err(__stringify(a) " != " __stringify(b) "\n"); \
exit(TEST_FAIL); \
}})
#endif /* _UNITTEST_H_ */
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