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t_ttyname.c revision 1.1 
      1 /*	$NetBSD: t_ttyname.c,v 1.1 2011/04/05 06:15:31 jruoho Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jukka Ruohonen.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: t_ttyname.c,v 1.1 2011/04/05 06:15:31 jruoho Exp $");
     33 
     34 #include <atf-c.h>
     35 #include <errno.h>
     36 #include <fcntl.h>
     37 #include <unistd.h>
     38 
     39 ATF_TC(ttyname_err);
     40 ATF_TC_HEAD(ttyname_err, tc)
     41 {
     42 	atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)");
     43 }
     44 
     45 ATF_TC_BODY(ttyname_err, tc)
     46 {
     47 	char buf[0];
     48 	int fd, rv;
     49 
     50 	fd = open("XXX", O_RDONLY);
     51 
     52 	if (fd < 0) {
     53 
     54 		errno = 0;
     55 
     56 		ATF_REQUIRE(isatty(fd) != -1);
     57 		ATF_REQUIRE(errno == EBADF);
     58 
     59 		errno = 0;
     60 
     61 		ATF_REQUIRE(ttyname(fd) == NULL);
     62 		ATF_REQUIRE(errno == EBADF);
     63 	}
     64 
     65 	fd = open("/etc/passwd", O_RDONLY);
     66 
     67 	if (fd >= 0) {
     68 
     69 		errno = 0;
     70 
     71 		ATF_REQUIRE(isatty(fd) != -1);
     72 		ATF_REQUIRE(errno == ENOTTY);
     73 
     74 		errno = 0;
     75 
     76 		ATF_REQUIRE(ttyname(fd) == NULL);
     77 		ATF_REQUIRE(errno == ENOTTY);
     78 	}
     79 
     80 	if (isatty(STDIN_FILENO) != 0) {
     81 
     82 		rv = ttyname_r(STDIN_FILENO, buf, sizeof(buf));
     83 		ATF_REQUIRE(rv == ERANGE);
     84 	}
     85 }
     86 
     87 ATF_TC(ttyname_stdin);
     88 ATF_TC_HEAD(ttyname_stdin, tc)
     89 {
     90 	atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)");
     91 }
     92 
     93 ATF_TC_BODY(ttyname_stdin, tc)
     94 {
     95 
     96 	ATF_REQUIRE(isatty(STDIN_FILENO) == 1);
     97 	ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL);
     98 
     99 	ATF_REQUIRE(close(STDIN_FILENO) == 0);
    100 
    101 	ATF_REQUIRE(isatty(STDIN_FILENO) != 1);
    102 	ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL);
    103 }
    104 
    105 ATF_TP_ADD_TCS(tp)
    106 {
    107 
    108 	ATF_TP_ADD_TC(tp, ttyname_err);
    109 	ATF_TP_ADD_TC(tp, ttyname_stdin);
    110 
    111 	return atf_no_error();
    112 }
    113