freebsd-dev/lib/libc/tests/stdio/gets_s_test.c
Cy Schubert c76af09019 Conform to Berne Convention.
MFC after:	3 days
2018-05-22 06:22:58 +00:00

146 lines
3.7 KiB
C

/*-
* Copyright (c) 2017 Cyril S. E. Schubert
*
* 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());
}