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/*
* Copyright (C) 2019 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 "panic.h"
#include "panic.c"
#include <glib.h>
static void test_panic(void) {
if (g_test_subprocess()) {
errno = 0;
sc_panic("death message");
g_test_message("expected die not to return");
g_test_fail();
return;
}
g_test_trap_subprocess(NULL, 0, 0);
g_test_trap_assert_failed();
g_test_trap_assert_stderr("death message\n");
}
static void test_panic_with_errno(void) {
if (g_test_subprocess()) {
errno = EPERM;
sc_panic("death message");
g_test_message("expected die not to return");
g_test_fail();
return;
}
g_test_trap_subprocess(NULL, 0, 0);
g_test_trap_assert_failed();
g_test_trap_assert_stderr("death message: Operation not permitted\n");
}
static void custom_panic_msg(const char *fmt, va_list ap, int errno_copy) {
fprintf(stderr, "PANIC: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, " (errno: %d)", errno_copy);
fprintf(stderr, "\n");
}
static void custom_panic_exit(void) {
fprintf(stderr, "EXITING\n");
exit(2);
}
static void test_panic_customization(void) {
if (g_test_subprocess()) {
sc_set_panic_msg_fn(custom_panic_msg);
sc_set_panic_exit_fn(custom_panic_exit);
errno = 123;
sc_panic("death message");
g_test_message("expected die not to return");
g_test_fail();
return;
}
g_test_trap_subprocess(NULL, 0, 0);
g_test_trap_assert_failed();
g_test_trap_assert_stderr(
"PANIC: death message (errno: 123)\n"
"EXITING\n");
// NOTE: g_test doesn't offer facilities to observe the exit code.
}
static void __attribute__((constructor)) init(void) {
g_test_add_func("/panic/panic", test_panic);
g_test_add_func("/panic/panic_with_errno", test_panic_with_errno);
g_test_add_func("/panic/panic_customization", test_panic_customization);
}
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