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libakerror/tests/err_name_bounds.c

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#include "akerror.h"
#include "err_capture.h"
#include <string.h>
/*
* akerr_name_for_status must reject out-of-range status codes at BOTH ends.
* It already guarded the upper bound, but a negative status indexed
* __AKERR_ERROR_NAMES[negative] -- an out-of-bounds read (and an out-of-bounds
* write when a name is supplied). Every out-of-range status must return the
* "Unknown Error" sentinel instead.
*/
int main(void)
{
akerr_init();
/* Below range. */
AKERR_CHECK(strcmp(akerr_name_for_status(-1, NULL), "Unknown Error") == 0);
AKERR_CHECK(strcmp(akerr_name_for_status(-9999, NULL), "Unknown Error") == 0);
/* Above range (already handled; kept as a guard against regressions). */
AKERR_CHECK(strcmp(akerr_name_for_status(AKERR_MAX_ERR_VALUE + 1, NULL),
"Unknown Error") == 0);
/* A valid code must still resolve to its real name. */
AKERR_CHECK(strcmp(akerr_name_for_status(AKERR_NULLPOINTER, NULL),
"Null Pointer Error") == 0);
fprintf(stderr, "err_name_bounds ok\n");
return 0;
}