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libakerror/tests/err_release_clears.c
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Avoid wiping full error context on release
2026-08-04 11:22:55 -04:00

72 lines
2.0 KiB
C

#include "akerror.h"
#include "err_capture.h"
/*
* Releasing an error context back to the pool must reset the state that affects
* the next caller. In particular, a handled error must not make a fresh error
* look handled when its slot is recycled.
*/
static int unhandled_calls = 0;
static int unhandled_status = 0;
static void test_unhandled_handler(akerr_ErrorContext *errctx)
{
unhandled_calls++;
unhandled_status = (errctx != NULL) ? errctx->status : 0;
}
akerr_ErrorContext *boom(void)
{
PREPARE_ERROR(e);
FAIL_RETURN(e, AKERR_VALUE, "first error is handled");
}
int main(void)
{
akerr_capture_install();
akerr_init();
akerr_handler_unhandled_error = &test_unhandled_handler;
/* Raise and fully handle an error; FINISH_NORETURN releases it to the pool. */
PREPARE_ERROR(e);
ATTEMPT {
CATCH(e, boom());
} CLEANUP {
} PROCESS(e) {
} HANDLE(e, AKERR_VALUE) {
AKERR_CHECK_STATUS(e, AKERR_VALUE);
} FINISH_NORETURN(e);
AKERR_CHECK(e == NULL);
/* A fresh error in the recycled slot must not inherit handled=true. */
PREPARE_ERROR(fresh);
ATTEMPT {
CATCH(fresh, boom());
} CLEANUP {
} PROCESS(fresh) {
} FINISH_NORETURN(fresh);
AKERR_CHECK(unhandled_calls == 1);
AKERR_CHECK(unhandled_status == AKERR_VALUE);
AKERR_CHECK(fresh == NULL);
/* The next context handed out is the same slot, with recycle state reset. */
akerr_ErrorContext *slot = akerr_next_error();
AKERR_CHECK(slot != NULL);
AKERR_CHECK(slot->handled == false);
AKERR_CHECK(slot->status == 0);
AKERR_CHECK(slot->reported == false);
AKERR_CHECK(slot->message[0] == '\0');
AKERR_CHECK(slot->fname[0] == '\0');
AKERR_CHECK(slot->function[0] == '\0');
AKERR_CHECK(slot->stacktracebuf[0] == '\0');
AKERR_CHECK(slot->stacktracebufptr == (char *)&slot->stacktracebuf);
RELEASE_ERROR(slot);
AKERR_CHECK(akerr_slots_in_use() == 0);
fprintf(stderr, "err_release_clears ok\n");
return 0;
}