external/bsd/bind/dist/unit/atf-src/atf-c/config_test.c

   1 /*      $NetBSD: config_test.c,v 1.3 2014/12/10 04:38:03 christos Exp $ */
   2
   3 /*
   4  * Automated Testing Framework (atf)
   5  *
   6  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  19  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  20  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  29  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <stdio.h>
  33 #include <string.h>
  34
  35 #include <atf-c.h>
  36
  37 #include "atf-c/config.h"
  38
  39 #include "detail/env.h"
  40 #include "detail/test_helpers.h"
  41
  42 static const char *test_value = "env-value";
  43
  44 static struct varnames {
  45     const char *lc;
  46     const char *uc;
  47     bool can_be_empty;
  48 } all_vars[] = {
  49     { "atf_arch",           "ATF_ARCH",           false },
  50     { "atf_build_cc",       "ATF_BUILD_CC",       false },
  51     { "atf_build_cflags",   "ATF_BUILD_CFLAGS",   true  },
  52     { "atf_build_cpp",      "ATF_BUILD_CPP",      false },
  53     { "atf_build_cppflags", "ATF_BUILD_CPPFLAGS", true  },
  54     { "atf_build_cxx",      "ATF_BUILD_CXX",      false },
  55     { "atf_build_cxxflags", "ATF_BUILD_CXXFLAGS", true  },
  56     { "atf_confdir",        "ATF_CONFDIR",        false },
  57     { "atf_includedir",     "ATF_INCLUDEDIR",     false },
  58     { "atf_libdir",         "ATF_LIBDIR",         false },
  59     { "atf_libexecdir",     "ATF_LIBEXECDIR",     false },
  60     { "atf_machine",        "ATF_MACHINE",        false },
  61     { "atf_pkgdatadir",     "ATF_PKGDATADIR",     false },
  62     { "atf_shell",          "ATF_SHELL",          false },
  63     { "atf_workdir",        "ATF_WORKDIR",        false },
  64     { NULL,                 NULL,                 false }
  65 };
  66
  67 /* ---------------------------------------------------------------------
  68  * Auxiliary functions.
  69  * --------------------------------------------------------------------- */
  70
  71 void __atf_config_reinit(void);
  72
  73 static
  74 void
  75 unset_all(void)
  76 {
  77     const struct varnames *v;
  78     for (v = all_vars; v->lc != NULL; v++)
  79         RE(atf_env_unset(v->uc));
  80 }
  81
  82 static
  83 void
  84 compare_one(const char *var, const char *expvalue)
  85 {
  86     const struct varnames *v;
  87
  88     printf("Checking that %s is set to %s\n", var, expvalue);
  89
  90     for (v = all_vars; v->lc != NULL; v++) {
  91         if (strcmp(v->lc, var) == 0)
  92             ATF_CHECK_STREQ(atf_config_get(v->lc), test_value);
  93         else
  94             ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
  95     }
  96 }
  97
  98 /* ---------------------------------------------------------------------
  99  * Test cases for the free functions.
 100  * --------------------------------------------------------------------- */
 101
 102 ATF_TC(get);
 103 ATF_TC_HEAD(get, tc)
 104 {
 105     atf_tc_set_md_var(tc, "descr", "Tests the atf_config_get function");
 106 }
 107 ATF_TC_BODY(get, tc)
 108 {
 109     const struct varnames *v;
 110
 111     /* Unset all known environment variables and make sure the built-in
 112      * values do not match the bogus value we will use for testing. */
 113     unset_all();
 114     __atf_config_reinit();
 115     for (v = all_vars; v->lc != NULL; v++)
 116         ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
 117
 118     /* Test the behavior of empty values. */
 119     for (v = all_vars; v->lc != NULL; v++) {
 120         unset_all();
 121         if (strcmp(atf_config_get(v->lc), "") != 0) {
 122             RE(atf_env_set(v->uc, ""));
 123             __atf_config_reinit();
 124             if (v->can_be_empty)
 125                 ATF_CHECK(strlen(atf_config_get(v->lc)) == 0);
 126             else
 127                 ATF_CHECK(strlen(atf_config_get(v->lc)) > 0);
 128         }
 129     }
 130
 131     /* Check if every variable is recognized individually. */
 132     for (v = all_vars; v->lc != NULL; v++) {
 133         unset_all();
 134         RE(atf_env_set(v->uc, test_value));
 135         __atf_config_reinit();
 136         compare_one(v->lc, test_value);
 137     }
 138 }
 139
 140 /* ---------------------------------------------------------------------
 141  * Tests cases for the header file.
 142  * --------------------------------------------------------------------- */
 143
 144 HEADER_TC(include, "atf-c/config.h");
 145
 146 /* ---------------------------------------------------------------------
 147  * Main.
 148  * --------------------------------------------------------------------- */
 149
 150 ATF_TP_ADD_TCS(tp)
 151 {
 152     ATF_TP_ADD_TC(tp, get);
 153
 154     /* Add the test cases for the header file. */
 155     ATF_TP_ADD_TC(tp, include);
 156
 157     return atf_no_error();
 158 }