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      1 /* Miniature re-implementation of the "check" library.
      2  *
      3  * This is intended to support just enough of check to run the Expat
      4  * tests.  This interface is based entirely on the portion of the
      5  * check library being used.
      6  *
      7  * This is *source* compatible, but not necessary *link* compatible.
      8  */
      9 
     10 #ifdef __cplusplus
     11 extern "C" {
     12 #endif
     13 
     14 #define CK_NOFORK 0
     15 #define CK_FORK   1
     16 
     17 #define CK_SILENT  0
     18 #define CK_NORMAL  1
     19 #define CK_VERBOSE 2
     20 
     21 /* Workaround for Tru64 Unix systems where the C compiler has a working
     22    __func__, but the C++ compiler only has a working __FUNCTION__.  This
     23    could be fixed in configure.in, but it's not worth it right now. */
     24 #if defined(__osf__) && defined(__cplusplus)
     25 #define __func__ __FUNCTION__
     26 #endif
     27 
     28 #define START_TEST(testname) static void testname(void) { \
     29     _check_set_test_info(__func__, __FILE__, __LINE__);   \
     30     {
     31 #define END_TEST } }
     32 
     33 #define fail(msg)  _fail_unless(0, __FILE__, __LINE__, msg)
     34 
     35 typedef void (*tcase_setup_function)(void);
     36 typedef void (*tcase_teardown_function)(void);
     37 typedef void (*tcase_test_function)(void);
     38 
     39 typedef struct SRunner SRunner;
     40 typedef struct Suite Suite;
     41 typedef struct TCase TCase;
     42 
     43 struct SRunner {
     44     Suite *suite;
     45     int nchecks;
     46     int nfailures;
     47 };
     48 
     49 struct Suite {
     50     char *name;
     51     TCase *tests;
     52 };
     53 
     54 struct TCase {
     55     char *name;
     56     tcase_setup_function setup;
     57     tcase_teardown_function teardown;
     58     tcase_test_function *tests;
     59     int ntests;
     60     int allocated;
     61     TCase *next_tcase;
     62 };
     63 
     64 
     65 /* Internal helper. */
     66 void _check_set_test_info(char const *function,
     67                           char const *filename, int lineno);
     68 
     69 
     70 /*
     71  * Prototypes for the actual implementation.
     72  */
     73 
     74 void _fail_unless(int condition, const char *file, int line, char *msg);
     75 Suite *suite_create(char *name);
     76 TCase *tcase_create(char *name);
     77 void suite_add_tcase(Suite *suite, TCase *tc);
     78 void tcase_add_checked_fixture(TCase *,
     79                                tcase_setup_function,
     80                                tcase_teardown_function);
     81 void tcase_add_test(TCase *tc, tcase_test_function test);
     82 SRunner *srunner_create(Suite *suite);
     83 void srunner_run_all(SRunner *runner, int verbosity);
     84 int srunner_ntests_failed(SRunner *runner);
     85 void srunner_free(SRunner *runner);
     86 
     87 #ifdef __cplusplus
     88 }
     89 #endif
     90