external/bsd/atf/dist/atf-c/detail/sanity_test.c

   1 /*
   2  * Automated Testing Framework (atf)
   3  *
   4  * Copyright (c) 2008 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 #if defined(HAVE_CONFIG_H)
  31 #include "bconfig.h"
  32 #endif
  33
  34 #include <sys/types.h>
  35 #include <sys/wait.h>
  36
  37 #include <signal.h>
  38 #include <stdbool.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42
  43 #include <atf-c.h>
  44
  45 #include "dynstr.h"
  46 #include "process.h"
  47 #include "sanity.h"
  48 #include "test_helpers.h"
  49
  50 /* ---------------------------------------------------------------------
  51  * Auxiliary functions.
  52  * --------------------------------------------------------------------- */
  53
  54 enum type { inv, pre, post, unreachable };
  55
  56 struct test_data {
  57     enum type m_type;
  58     bool m_cond;
  59 };
  60
  61 static void do_test_child(void *) ATF_DEFS_ATTRIBUTE_NORETURN;
  62
  63 static
  64 void
  65 do_test_child(void *v)
  66 {
  67     struct test_data *td = v;
  68
  69     switch (td->m_type) {
  70     case inv:
  71         INV(td->m_cond);
  72         break;
  73
  74     case pre:
  75         PRE(td->m_cond);
  76         break;
  77
  78     case post:
  79         POST(td->m_cond);
  80         break;
  81
  82     case unreachable:
  83         if (!td->m_cond)
  84             UNREACHABLE;
  85         break;
  86     }
  87
  88     exit(EXIT_SUCCESS);
  89 }
  90
  91 static
  92 void
  93 do_test(enum type t, bool cond)
  94 {
  95     atf_process_child_t child;
  96     atf_process_status_t status;
  97     int nlines;
  98     char *lines[3];
  99
 100     {
 101         atf_process_stream_t outsb, errsb;
 102         struct test_data td = { t, cond };
 103
 104         RE(atf_process_stream_init_inherit(&outsb));
 105         RE(atf_process_stream_init_capture(&errsb));
 106         RE(atf_process_fork(&child, do_test_child, &outsb, &errsb, &td));
 107         atf_process_stream_fini(&errsb);
 108         atf_process_stream_fini(&outsb);
 109     }
 110
 111     nlines = 0;
 112     while (nlines < 3 && (lines[nlines] =
 113            atf_utils_readline(atf_process_child_stderr(&child))) != NULL)
 114         nlines++;
 115     ATF_REQUIRE(nlines == 0 || nlines == 3);
 116
 117     RE(atf_process_child_wait(&child, &status));
 118     if (!cond) {
 119         ATF_REQUIRE(atf_process_status_signaled(&status));
 120         ATF_REQUIRE(atf_process_status_termsig(&status) == SIGABRT);
 121     } else {
 122         ATF_REQUIRE(atf_process_status_exited(&status));
 123         ATF_REQUIRE(atf_process_status_exitstatus(&status) == EXIT_SUCCESS);
 124     }
 125     atf_process_status_fini(&status);
 126
 127     if (!cond) {
 128         switch (t) {
 129         case inv:
 130             ATF_REQUIRE(atf_utils_grep_string("Invariant", lines[0]));
 131             break;
 132
 133         case pre:
 134             ATF_REQUIRE(atf_utils_grep_string("Precondition", lines[0]));
 135             break;
 136
 137         case post:
 138             ATF_REQUIRE(atf_utils_grep_string("Postcondition", lines[0]));
 139             break;
 140
 141         case unreachable:
 142             ATF_REQUIRE(atf_utils_grep_string("Invariant", lines[0]));
 143             break;
 144         }
 145
 146         ATF_REQUIRE(atf_utils_grep_string(__FILE__, lines[0]));
 147         ATF_REQUIRE(atf_utils_grep_string(PACKAGE_BUGREPORT, lines[2]));
 148     }
 149
 150     while (nlines > 0) {
 151         nlines--;
 152         free(lines[nlines]);
 153     }
 154 }
 155
 156 static
 157 void
 158 require_ndebug(void)
 159 {
 160 #if defined(NDEBUG)
 161     atf_tc_skip("Sanity checks not available; code built with -DNDEBUG");
 162 #endif
 163 }
 164
 165 /* ---------------------------------------------------------------------
 166  * Test cases for the free functions.
 167  * --------------------------------------------------------------------- */
 168
 169 ATF_TC(inv);
 170 ATF_TC_HEAD(inv, tc)
 171 {
 172     atf_tc_set_md_var(tc, "descr", "Tests the INV macro");
 173 }
 174 ATF_TC_BODY(inv, tc)
 175 {
 176     require_ndebug();
 177
 178     do_test(inv, false);
 179     do_test(inv, true);
 180 }
 181
 182 ATF_TC(pre);
 183 ATF_TC_HEAD(pre, tc)
 184 {
 185     atf_tc_set_md_var(tc, "descr", "Tests the PRE macro");
 186 }
 187 ATF_TC_BODY(pre, tc)
 188 {
 189     require_ndebug();
 190
 191     do_test(pre, false);
 192     do_test(pre, true);
 193 }
 194
 195 ATF_TC(post);
 196 ATF_TC_HEAD(post, tc)
 197 {
 198     atf_tc_set_md_var(tc, "descr", "Tests the POST macro");
 199 }
 200 ATF_TC_BODY(post, tc)
 201 {
 202     require_ndebug();
 203
 204     do_test(post, false);
 205     do_test(post, true);
 206 }
 207
 208 ATF_TC(unreachable);
 209 ATF_TC_HEAD(unreachable, tc)
 210 {
 211     atf_tc_set_md_var(tc, "descr", "Tests the UNREACHABLE macro");
 212 }
 213 ATF_TC_BODY(unreachable, tc)
 214 {
 215     require_ndebug();
 216
 217     do_test(unreachable, false);
 218     do_test(unreachable, true);
 219 }
 220
 221 /* ---------------------------------------------------------------------
 222  * Main.
 223  * --------------------------------------------------------------------- */
 224
 225 ATF_TP_ADD_TCS(tp)
 226 {
 227     ATF_TP_ADD_TC(tp, inv);
 228     ATF_TP_ADD_TC(tp, pre);
 229     ATF_TP_ADD_TC(tp, post);
 230     ATF_TP_ADD_TC(tp, unreachable);
 231
 232     return atf_no_error();
 233 }