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- /*
- * libdpkg - Debian packaging suite library routines
- * t-ehandle.c - test error handling implementation
- *
- * Copyright © 2016 Guillem Jover <guillem@debian.org>
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <config.h>
- #include <compat.h>
- #include <stdbool.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <dpkg/test.h>
- #include <dpkg/ehandle.h>
- jmp_buf global_handler_jump;
- static void
- printer_empty(const char *msg, const void *data)
- {
- }
- static void
- handler_func(void)
- {
- longjmp(global_handler_jump, 1);
- }
- static void
- test_error_handler_func(void)
- {
- bool pass;
- if (setjmp(global_handler_jump)) {
- pass = true;
- pop_error_context(ehflag_normaltidy);
- } else {
- pass = false;
- push_error_context_func(handler_func, printer_empty, "test func");
- ohshit("test func error");
- test_bail("ohshit() is not supposed to return");
- }
- test_pass(pass);
- }
- static void
- test_error_handler_jump(void)
- {
- jmp_buf handler_jump;
- bool pass;
- if (setjmp(handler_jump)) {
- pass = true;
- pop_error_context(ehflag_normaltidy);
- } else {
- pass = false;
- push_error_context_jump(&handler_jump, printer_empty, "test jump");
- ohshit("test jump error");
- test_bail("ohshit() is not supposed to return");
- }
- test_pass(pass);
- }
- static void
- cleanup_error(int argc, void **argv)
- {
- ohshit("cleanup error");
- }
- static void
- test_cleanup_error(void)
- {
- jmp_buf handler_jump;
- bool pass;
- if (setjmp(handler_jump)) {
- /* The ohshit() is not supposed to get us here, as it should
- * be caught by the internal recursive error context. */
- pass = false;
- pop_cleanup(ehflag_normaltidy);
- pop_error_context(ehflag_normaltidy);
- } else {
- /* Mark any error before this as not passing. */
- pass = false;
- push_error_context_jump(&handler_jump, printer_empty, "test cleanup");
- push_cleanup(cleanup_error, ~ehflag_normaltidy, NULL, 0, 0);
- pop_error_context(ehflag_bombout);
- /* We should have recovered from the cleanup handler failing,
- * and arrived here corerctly. */
- pass = true;
- }
- test_pass(pass);
- }
- TEST_ENTRY(test)
- {
- int fd;
- test_plan(3);
- /* XXX: Shut up stderr, we don't want the error output. */
- fd = open("/dev/null", O_RDWR);
- if (fd < 0)
- test_bail("cannot open /dev/null");
- dup2(fd, 2);
- test_error_handler_func();
- test_error_handler_jump();
- test_cleanup_error();
- }
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