external/bsd/atf/dist/atf-c/tp_test.c

   1 /*
   2  * Automated Testing Framework (atf)
   3  *
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <string.h>
  31 #include <unistd.h>
  32
  33 #include <atf-c.h>
  34
  35 #include "detail/test_helpers.h"
  36
  37 ATF_TC(getopt);
  38 ATF_TC_HEAD(getopt, tc)
  39 {
  40     atf_tc_set_md_var(tc, "descr", "Checks if getopt(3) global state is "
  41         "reset by the test program driver so that test cases can use "
  42         "getopt(3) again");
  43 }
  44 ATF_TC_BODY(getopt, tc)
  45 {
  46     /* Provide an option that is unknown to the test program driver and
  47      * one that is, together with an argument that would be swallowed by
  48      * the test program option if it were recognized. */
  49     int argc = 4;
  50     char arg1[] = "progname";
  51     char arg2[] = "-Z";
  52     char arg3[] = "-s";
  53     char arg4[] = "foo";
  54     char *const argv[] = { arg1, arg2, arg3, arg4, NULL };
  55
  56     int ch;
  57     bool zflag;
  58
  59     /* Given that this obviously is a test program, and that we used the
  60      * same driver to start, we can test getopt(3) right here without doing
  61      * any fancy stuff. */
  62     zflag = false;
  63     while ((ch = getopt(argc, argv, ":Z")) != -1) {
  64         switch (ch) {
  65         case 'Z':
  66             zflag = true;
  67             break;
  68
  69         case '?':
  70         default:
  71             if (optopt != 's')
  72                 atf_tc_fail("Unexpected unknown option -%c found", optopt);
  73         }
  74     }
  75
  76     ATF_REQUIRE(zflag);
  77     ATF_REQUIRE_EQ_MSG(1, argc - optind, "Invalid number of arguments left "
  78         "after the call to getopt(3)");
  79     ATF_CHECK_STREQ_MSG("foo", argv[optind], "The non-option argument is "
  80         "invalid");
  81 }
  82
  83 /* ---------------------------------------------------------------------
  84  * Tests cases for the header file.
  85  * --------------------------------------------------------------------- */
  86
  87 HEADER_TC(include, "atf-c/tp.h");
  88
  89 /* ---------------------------------------------------------------------
  90  * Main.
  91  * --------------------------------------------------------------------- */
  92
  93 ATF_TP_ADD_TCS(tp)
  94 {
  95     ATF_TP_ADD_TC(tp, getopt);
  96
  97     /* Add the test cases for the header file. */
  98     ATF_TP_ADD_TC(tp, include);
  99
 100     return atf_no_error();
 101 }