atf_add_test_case(
name);
atf_check(command);
atf_check_equal(expr1, expr2);
atf_config_get(var_name);
atf_config_has(var_name);
atf_expect_death(reason, ...);
atf_expect_exit(exitcode, reason, ...);
atf_expect_fail(reason, ...);
atf_expect_pass();
atf_expect_signal(signo, reason, ...);
atf_expect_timeout(reason, ...);
atf_fail(reason);
atf_get(var_name);
atf_get_srcdir();
atf_pass();
atf_require_prog(prog_name);
atf_set(var_name, value);
atf_skip(reason);
atf_test_case(name, cleanup);