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libakerror/tests/err_custom_handler.c

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#include "akerror.h"
#include "err_capture.h"
/*
* The unhandled-error hook (akerr_handler_unhandled_error) is overridable.
* Install a non-fatal handler so an unhandled error can be asserted directly
* (status, invocation) instead of relying on process death / WILL_FAIL.
*/
static int custom_fired = 0;
static int custom_status = 0;
static void my_handler(akerr_ErrorContext *e)
{
custom_fired = 1;
custom_status = (e != NULL) ? e->status : -1;
/* deliberately does NOT exit() */
}
akerr_ErrorContext *boom(void)
{
PREPARE_ERROR(e);
FAIL_RETURN(e, AKERR_TYPE, "unhandled on purpose");
}
int main(void)
{
akerr_capture_install();
akerr_init(); /* sets the default handler... */
akerr_handler_unhandled_error = &my_handler; /* ...which we then override */
PREPARE_ERROR(e);
ATTEMPT {
CATCH(e, boom());
} CLEANUP {
} PROCESS(e) {
/* no HANDLE for AKERR_TYPE -> stays unhandled */
} FINISH_NORETURN(e);
AKERR_CHECK(custom_fired == 1);
AKERR_CHECK(custom_status == AKERR_TYPE);
AKERR_CHECK_CONTAINS("Unhandled Error");
fprintf(stderr, "err_custom_handler ok\n");
return 0;
}