Andrew Kesterson
4daa411f3f
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Add 11 CTest programs and a shared test helper covering gaps left by the original four tests (which only exercised FAIL/CATCH/HANDLE and CLEANUP): - err_capture.h: capturing akerr_log_method + NDEBUG-proof AKERR_CHECK so tests can assert on message/status/stacktrace content, not just exit codes - err_success: clean nested return does not break/handle/leak - err_pool_refcount: 100k raise->catch->handle cycles leak 0 pool slots - err_handle_default / err_handle_group / err_handle_dispatch: handler routing - err_pass / err_ignore / err_swallow: PASS, IGNORE, FINISH(e,false) - err_break_variants: FAIL_*_BREAK and FAIL_*_RETURN - err_errno: system errno name lookup + "Unknown Error" boundary - err_custom_handler: override the unhandled-error hook, assert non-fatally Register tests via a foreach loop in CMakeLists.txt. Ignore build/. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
#ifndef AKERR_TEST_CAPTURE_H
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#define AKERR_TEST_CAPTURE_H
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/*
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* Shared test helpers for libakerror.
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*
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* Installs a capturing implementation of akerr_log_method so tests can assert
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* on the *content* of log/stacktrace output (messages, status codes, error
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* names) instead of relying solely on process exit codes.
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*
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* Also provides AKERR_CHECK(), a NDEBUG-proof assertion that fails the test by
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* returning non-zero from main() (unlike assert(), which is compiled out in
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* release builds and would silently turn a test into a no-op).
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*/
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#include "akerror.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#define AKERR_CAPTURE_BUFSZ 65536
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static char akerr_capture_buf[AKERR_CAPTURE_BUFSZ];
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static size_t akerr_capture_len = 0;
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static void __attribute__((unused)) akerr_capture_logger(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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int n = vsnprintf(akerr_capture_buf + akerr_capture_len,
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AKERR_CAPTURE_BUFSZ - akerr_capture_len, fmt, ap);
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va_end(ap);
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if ( n > 0 ) {
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akerr_capture_len += (size_t)n;
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if ( akerr_capture_len >= AKERR_CAPTURE_BUFSZ ) {
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akerr_capture_len = AKERR_CAPTURE_BUFSZ - 1;
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}
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}
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}
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static void __attribute__((unused)) akerr_capture_reset(void)
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{
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akerr_capture_len = 0;
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akerr_capture_buf[0] = '\0';
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}
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/*
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* Install the capturing logger. akerr_init() only assigns a default logger when
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* akerr_log_method is NULL, and it is idempotent, so calling this either before
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* or after the first PREPARE_ERROR keeps our logger in place.
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*/
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static void __attribute__((unused)) akerr_capture_install(void)
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{
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akerr_capture_reset();
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akerr_log_method = &akerr_capture_logger;
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}
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/* Count array slots currently checked out of the pool (refcount != 0). */
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static int __attribute__((unused)) akerr_slots_in_use(void)
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{
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int n = 0;
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for ( int i = 0; i < AKERR_MAX_ARRAY_ERROR; i++ ) {
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if ( AKERR_ARRAY_ERROR[i].refcount != 0 ) {
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n++;
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}
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}
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return n;
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}
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#define AKERR_CHECK(cond) \
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do { \
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if ( !(cond) ) { \
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fprintf(stderr, "CHECK FAILED: %s at %s:%d\n", \
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#cond, __FILE__, __LINE__); \
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return 1; \
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} \
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} while ( 0 )
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#define AKERR_CHECK_CONTAINS(needle) \
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AKERR_CHECK(strstr(akerr_capture_buf, (needle)) != NULL)
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#define AKERR_CHECK_NOT_CONTAINS(needle) \
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AKERR_CHECK(strstr(akerr_capture_buf, (needle)) == NULL)
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#endif // AKERR_TEST_CAPTURE_H
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