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An Exception or a Bug?


Listing 1: Embedded systems-friendly assertions

1: #ifndef qassert_h

2: #define qassert_h


4: /** NASSERT macro disables all contract validations

5: * (assertions, preconditions, postconditions, and invariants).

6: */

7: #ifdef NASSERT /* NASSERT defined--DbC disabled */



10: #define ASSERT(ignore_) ((void)0)

11: #define ALLEGE(test_) ((void)(test_))


13: #else /* NASSERT not defined--DbC enabled */


15: #ifdef __cplusplus

16: extern "C" {

17: #endif

18: /* callback invoked in case of assertion failure */

19: void onAssert__(char const *file, unsigned line);


21: #ifdef __cplusplus

22: }

23: #endif


25: #define DEFINE_THIS_FILE \

26: static char const THIS_FILE__[] = __FILE__


28: #define ASSERT(test_) \

29: ((test_) ? (void)0 : onAssert__(THIS_FILE__, __LINE__))


31: #define ALLEGE(test_) ASSERT(test_)


33: #endif /* NASSERT */


35: #define REQUIRE(test_) ASSERT(test_)

36: #define ENSURE(test_) ASSERT(test_)

37: #define INVARIANT(test_) ASSERT(test_)


39: #endif /* qassert_h */

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