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

   1 /*
   2  * Automated Testing Framework (atf)
   3  *
   4  * Copyright (c) 2007 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 <stdio.h>
  31 #include <string.h>
  32
  33 #include <atf-c.h>
  34
  35 #include "atf-c/config.h"
  36
  37 #include "detail/env.h"
  38 #include "detail/test_helpers.h"
  39
  40 static const char *test_value = "env-value";
  41
  42 static struct varnames {
  43     const char *lc;
  44     const char *uc;
  45     bool can_be_empty;
  46 } all_vars[] = {
  47     { "atf_build_cc",       "ATF_BUILD_CC",       false },
  48     { "atf_build_cflags",   "ATF_BUILD_CFLAGS",   true  },
  49     { "atf_build_cpp",      "ATF_BUILD_CPP",      false },
  50     { "atf_build_cppflags", "ATF_BUILD_CPPFLAGS", true  },
  51     { "atf_build_cxx",      "ATF_BUILD_CXX",      false },
  52     { "atf_build_cxxflags", "ATF_BUILD_CXXFLAGS", true  },
  53     { "atf_includedir",     "ATF_INCLUDEDIR",     false },
  54     { "atf_libexecdir",     "ATF_LIBEXECDIR",     false },
  55     { "atf_pkgdatadir",     "ATF_PKGDATADIR",     false },
  56     { "atf_shell",          "ATF_SHELL",          false },
  57     { "atf_workdir",        "ATF_WORKDIR",        false },
  58     { NULL,                 NULL,                 false }
  59 };
  60
  61 /* ---------------------------------------------------------------------
  62  * Auxiliary functions.
  63  * --------------------------------------------------------------------- */
  64
  65 void __atf_config_reinit(void);
  66
  67 static
  68 void
  69 unset_all(void)
  70 {
  71     const struct varnames *v;
  72     for (v = all_vars; v->lc != NULL; v++)
  73         RE(atf_env_unset(v->uc));
  74 }
  75
  76 static
  77 void
  78 compare_one(const char *var, const char *expvalue)
  79 {
  80     const struct varnames *v;
  81
  82     printf("Checking that %s is set to %s\n", var, expvalue);
  83
  84     for (v = all_vars; v->lc != NULL; v++) {
  85         if (strcmp(v->lc, var) == 0)
  86             ATF_CHECK_STREQ(atf_config_get(v->lc), test_value);
  87         else
  88             ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
  89     }
  90 }
  91
  92 /* ---------------------------------------------------------------------
  93  * Test cases for the free functions.
  94  * --------------------------------------------------------------------- */
  95
  96 ATF_TC(get);
  97 ATF_TC_HEAD(get, tc)
  98 {
  99     atf_tc_set_md_var(tc, "descr", "Tests the atf_config_get function");
 100 }
 101 ATF_TC_BODY(get, tc)
 102 {
 103     const struct varnames *v;
 104
 105     /* Unset all known environment variables and make sure the built-in
 106      * values do not match the bogus value we will use for testing. */
 107     unset_all();
 108     __atf_config_reinit();
 109     for (v = all_vars; v->lc != NULL; v++)
 110         ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
 111
 112     /* Test the behavior of empty values. */
 113     for (v = all_vars; v->lc != NULL; v++) {
 114         unset_all();
 115         if (strcmp(atf_config_get(v->lc), "") != 0) {
 116             RE(atf_env_set(v->uc, ""));
 117             __atf_config_reinit();
 118             if (v->can_be_empty)
 119                 ATF_CHECK(strlen(atf_config_get(v->lc)) == 0);
 120             else
 121                 ATF_CHECK(strlen(atf_config_get(v->lc)) > 0);
 122         }
 123     }
 124
 125     /* Check if every variable is recognized individually. */
 126     for (v = all_vars; v->lc != NULL; v++) {
 127         unset_all();
 128         RE(atf_env_set(v->uc, test_value));
 129         __atf_config_reinit();
 130         compare_one(v->lc, test_value);
 131     }
 132 }
 133
 134 /* ---------------------------------------------------------------------
 135  * Tests cases for the header file.
 136  * --------------------------------------------------------------------- */
 137
 138 HEADER_TC(include, "atf-c/config.h");
 139
 140 /* ---------------------------------------------------------------------
 141  * Main.
 142  * --------------------------------------------------------------------- */
 143
 144 ATF_TP_ADD_TCS(tp)
 145 {
 146     ATF_TP_ADD_TC(tp, get);
 147
 148     /* Add the test cases for the header file. */
 149     ATF_TP_ADD_TC(tp, include);
 150
 151     return atf_no_error();
 152 }