mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-09 00:46:12 +00:00
153 lines
3.2 KiB
C
153 lines
3.2 KiB
C
#include "../lib/libcompat.h"
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#include <sys/types.h>
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#include <stdlib.h>
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#include <check.h>
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#include "check_check.h"
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static int counter;
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static pid_t mypid;
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static void fork_sub_setup (void)
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{
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counter = 0;
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mypid = getpid();
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}
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START_TEST(test_inc)
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{
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counter++;
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}
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END_TEST
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START_TEST(test_nofork_sideeffects)
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{
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ck_assert_msg(counter == 1,
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"Side effects not seen across tests");
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}
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END_TEST
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START_TEST(test_nofork_pid)
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{
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ck_assert_msg(mypid == getpid(),
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"Unit test is in a different adresss space from setup code");
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}
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END_TEST
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static Suite *make_fork_sub_suite (void)
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{
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Suite *s;
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TCase *tc;
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s = suite_create("Fork Sub");
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tc = tcase_create("Core");
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suite_add_tcase (s, tc);
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tcase_add_unchecked_fixture(tc, fork_sub_setup,NULL);
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tcase_add_test(tc,test_inc);
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tcase_add_test(tc,test_nofork_sideeffects);
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tcase_add_test(tc,test_nofork_pid);
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return s;
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}
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static SRunner *fork_sr;
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static SRunner *fork_dummy_sr;
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void fork_setup (void)
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{
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fork_sr = srunner_create(make_fork_sub_suite());
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fork_dummy_sr = srunner_create (make_fork_sub_suite());
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srunner_set_fork_status(fork_sr,CK_NOFORK);
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srunner_run_all(fork_sr,CK_VERBOSE);
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}
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void fork_teardown (void)
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{
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srunner_free(fork_sr);
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}
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START_TEST(test_default_fork)
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{
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#if defined(HAVE_FORK) && HAVE_FORK == 1
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_FORK,
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"Default fork status not set correctly");
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#else
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_NOFORK,
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"Default fork status not set correctly");
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#endif /* HAVE_FORK */
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}
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END_TEST
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START_TEST(test_set_nofork)
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{
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srunner_set_fork_status(fork_dummy_sr, CK_NOFORK);
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_NOFORK,
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"Fork status not changed correctly");
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}
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END_TEST
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/*
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* The following tests will fail if fork is unavailable, as
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* attempting to set the fork mode as anything but
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* CK_NOFORK is considered an error.
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*/
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#if defined(HAVE_FORK) && HAVE_FORK==1
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START_TEST(test_set_fork)
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{
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srunner_set_fork_status(fork_dummy_sr, CK_FORK);
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_FORK,
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"Fork status not changed correctly");
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}
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END_TEST
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START_TEST(test_env)
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{
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char envvar[] = "CK_FORK=no";
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putenv(envvar);
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_NOFORK,
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"Fork status does not obey environment variable");
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}
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END_TEST
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START_TEST(test_env_and_set)
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{
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char envvar[] = "CK_FORK=no";
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putenv(envvar);
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srunner_set_fork_status(fork_dummy_sr, CK_FORK);
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ck_assert_msg(srunner_fork_status(fork_dummy_sr) == CK_FORK,
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"Explicit setting of fork status should override env");
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}
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END_TEST
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#endif /* HAVE_FORK */
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START_TEST(test_nofork)
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{
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ck_assert_msg(srunner_ntests_failed(fork_sr) == 0,
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"Errors on nofork test");
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}
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END_TEST
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Suite *make_fork_suite(void)
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{
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Suite *s;
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TCase *tc;
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s = suite_create("Fork");
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tc = tcase_create("Core");
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suite_add_tcase(s, tc);
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tcase_add_test(tc,test_default_fork);
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tcase_add_test(tc,test_set_nofork);
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#if defined(HAVE_FORK) && HAVE_FORK==1
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tcase_add_test(tc,test_set_fork);
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tcase_add_test(tc,test_env);
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tcase_add_test(tc,test_env_and_set);
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#endif /* HAVE_FORK */
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tcase_add_test(tc,test_nofork);
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return s;
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}
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