diff options
Diffstat (limited to 'lib/libc/tests/stdio/gets_s_test.c')
| -rw-r--r-- | lib/libc/tests/stdio/gets_s_test.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/lib/libc/tests/stdio/gets_s_test.c b/lib/libc/tests/stdio/gets_s_test.c new file mode 100644 index 0000000..68efca0 --- /dev/null +++ b/lib/libc/tests/stdio/gets_s_test.c @@ -0,0 +1,145 @@ +/*- + * Copyright (c) 2017 Cyril S. E. Schubert. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <assert.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <sys/wait.h> + +#include <atf-c.h> + +static errno_t error_code; +static const char * message; + +void +h(const char * msg, void * ptr __unused, errno_t error) +{ + error_code = error; + message = msg; +} + +/* null ptr */ +ATF_TC_WITHOUT_HEAD(null_ptr); +ATF_TC_BODY(null_ptr, tc) +{ + ATF_CHECK_MSG(gets_s(NULL, 1) == NULL, + "gets_s() failed to handle NULL pointer"); +} + +/* normal */ +ATF_TC_WITHOUT_HEAD(normal); +ATF_TC_BODY(normal, tc) +{ + pid_t kidpid; + int fd[2]; + int nfd; + + // close(STDIN_FILENO); + // close(STDOUT_FILENO); + pipe(fd); + + if ((kidpid = fork()) == 0) { + char b[10]; + + close(fd[1]); + nfd = dup2(fd[0], 0); + close(fd[0]); + stdin = fdopen(nfd, "r"); + ATF_CHECK_MSG(gets_s(b, sizeof(b)) == 0, "gets_s() normal failed"); + fclose(stdin); + } else { + int stat; + + close(fd[0]); + stdout = fdopen(fd[1], "w"); + puts("a sting"); + fclose(stdout); + (void) waitpid(kidpid, &stat, WEXITED); + } +} + +/* n > rmax */ +ATF_TC_WITHOUT_HEAD(n_gt_rmax); +ATF_TC_BODY(n_gt_rmax, tc) +{ + char b; + + ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, + "gets_s() n > RSIZE_MAX"); +} + +/* n == 0 */ +ATF_TC_WITHOUT_HEAD(n_eq_zero); +ATF_TC_BODY(n_eq_zero, tc) +{ + char b; + + ATF_CHECK_MSG(gets_s(&b, 0) == NULL, "gets_s() n is zero"); +} + +/* n > rmax, handler */ +ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler); +ATF_TC_BODY(n_gt_rmax_handler, tc) +{ + char b; + + error_code = 0; + message = NULL; + set_constraint_handler_s(h); + ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, "gets_s() n > RSIZE_MAX"); + ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); + ATF_CHECK_MSG(strcmp(message, "gets_s : n > RSIZE_MAX") == 0, "gets_s(): incorrect error message"); +} + +/* n == 0, handler */ +ATF_TC_WITHOUT_HEAD(n_eq_zero_handler); +ATF_TC_BODY(n_eq_zero_handler, tc) +{ + char b; + + error_code = 0; + message = NULL; + set_constraint_handler_s(h); + ATF_CHECK(gets_s(&b, 0) == NULL); + ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); + ATF_CHECK_MSG(strcmp(message, "gets_s : n == 0") == 0, "gets_s(): incorrect error message"); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, null_ptr); + ATF_TP_ADD_TC(tp, normal); + ATF_TP_ADD_TC(tp, n_gt_rmax); + ATF_TP_ADD_TC(tp, n_eq_zero); + ATF_TP_ADD_TC(tp, n_gt_rmax_handler); + ATF_TP_ADD_TC(tp, n_eq_zero_handler); + return (atf_no_error()); +} |
