posix/wordexp-test.c

   1 /* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <fcntl.h>
  22 #include <unistd.h>
  23 #include <pwd.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <wordexp.h>
  27
  28 #define IFS ", \n\t"
  29
  30 struct test_case_struct
  31 {
  32   int retval;
  33   const char *env;
  34   const char *words;
  35   int flags;
  36   int wordc;
  37   const char *wordv[10];
  38 } test_case[] =
  39   {
  40     /* Simple field-splitting */
  41     { 0, NULL, "one", 0, 1, { "one", } },
  42     { 0, NULL, "one two", 0, 2, { "one", "two", } },
  43     { 0, NULL, "one two three", 0, 3, { "one", "two", "three", } },
  44     { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", } },
  45     { 0, NULL, "  red  , white blue", 0, 3, { "red", "white", "blue", } },
  46
  47     /* Simple parameter expansion */
  48     { 0, "foo", "${var}", 0, 1, { "foo", } },
  49     { 0, "foo", "$var", 0, 1, { "foo", } },
  50
  51     /* Simple quote removal */
  52     { 0, NULL, "\"quoted\"", 0, 1, { "quoted", } },
  53     { 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", } },
  54     { 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", } },
  55
  56     /* Simple command substitution */
  57     { 0, NULL, "$(echo hello)", 0, 1, { "hello", } },
  58     { 0, NULL, "$( (echo hello) )", 0, 1, { "hello", } },
  59     { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", } },
  60     { 0, NULL, "`echo one two`", 0, 2, { "one", "two", } },
  61
  62     /* Simple arithmetic expansion */
  63     { 0, NULL, "$((1 + 1))", 0, 1, { "2", } },
  64     { 0, NULL, "$((2-3))", 0, 1, { "-1", } },
  65     { 0, NULL, "$((-1))", 0, 1, { "-1", } },
  66     { 0, NULL, "$[50+20]", 0, 1, { "70", } },
  67
  68     /* Advanced parameter expansion */
  69     { 0, NULL, "${var:-bar}", 0, 1, { "bar", } },
  70     { 0, NULL, "${var-bar}", 0, 1, { "bar", } },
  71     { 0, "", "${var:-bar}", 0, 1, { "bar", } },
  72     { 0, "foo", "${var:-bar}", 0, 1, { "foo", } },
  73     { 0, "", "${var-bar}", 0, 0, { NULL, } },
  74     { 0, NULL, "${var:=bar}", 0, 1, { "bar", } },
  75     { 0, NULL, "${var=bar}", 0, 1, { "bar", } },
  76     { 0, "", "${var:=bar}", 0, 1, { "bar", } },
  77     { 0, "foo", "${var:=bar}", 0, 1, { "foo", } },
  78     { 0, "", "${var=bar}", 0, 0, { NULL, } },
  79     { 0, "foo", "${var:?bar}", 0, 1, { "foo", } },
  80     { 0, NULL, "${var:+bar}", 0, 0, { NULL, } },
  81     { 0, NULL, "${var+bar}", 0, 0, { NULL, } },
  82     { 0, "", "${var:+bar}", 0, 0, { NULL, } },
  83     { 0, "foo", "${var:+bar}", 0, 1, { "bar", } },
  84     { 0, "", "${var+bar}", 0, 1, { "bar", } },
  85     { 0, "12345", "${#var}", 0, 1, { "5", } },
  86
  87     { 0, "banana", "${var%na*}", 0, 1, { "bana", } },
  88     { 0, "banana", "${var%%na*}", 0, 1, { "ba", } },
  89     { 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", } },
  90     { 0, "borabora-island", "${var##*bora}", 0, 1, {"-island", } },
  91
  92     /* Pathname expansion */
  93     { 0, NULL, "???", 0, 2, { "one", "two", } },
  94     { 0, NULL, "[ot]??", 0, 2, { "one", "two", } },
  95     { 0, NULL, "t*", 0, 2, { "three", "two", } },
  96     { 0, NULL, "\"t\"*", 0, 2, { "three", "two", } },
  97
  98     /* Nested constructs */
  99     { 0, "one two", "$var", 0, 2, { "one", "two", } },
 100     { 0, "one two three", "$var", 0, 3, { "one", "two", "three", } },
 101     { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", } },
 102     { 0, "  red  , white blue", "$var", 0, 3, { "red", "white", "blue", } },
 103     { 0, "  red  , white blue", "\"$var\"", 0, 1, { "  red  , white blue", } },
 104     { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", } },
 105     { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", } },
 106     { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", } },
 107     { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", } },
 108     { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", } },
 109
 110     /* Other things that should succeed */
 111     { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", } },
 112     { 0, "???", "$var", 0, 1, { "???", } },
 113     { 0, NULL, "$var", 0, 0, { NULL, } },
 114     { 0, NULL, "\"\\n\"", 0, 1, { "\\n", } },
 115     { 0, NULL, "", 0, 0, { NULL, } },
 116
 117     /* Things that should fail */
 118     { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, } },
 119     { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, } },
 120     { WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, } },
 121     { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, } },
 122     { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, } },
 123     { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, } },
 124     { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, } },
 125     { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, } },
 126     { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, } },
 127     { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, } },
 128     { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, } },
 129     { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, } },
 130     { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, } },
 131     { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, } },
 132     { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, } },
 133     { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, } },
 134     { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, } },
 135
 136     { -1, NULL, NULL, 0, 0, { NULL, } },
 137   };
 138
 139 static int testit (struct test_case_struct *tc);
 140
 141 void
 142 command_line_test (const char *words)
 143 {
 144   wordexp_t we;
 145   int i;
 146   int retval = wordexp (words, &we, 0);
 147   printf ("wordexp returned %d\n", retval);
 148   for (i = 0; i < we.we_wordc; i++)
 149     printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]);
 150 }
 151
 152 int
 153 main (int argc, char *argv[])
 154 {
 155   char tmpdir[32];
 156   struct passwd *pw;
 157   int test;
 158   int fail = 0;
 159   int fd;
 160
 161   if (argc > 1)
 162     {
 163       command_line_test (argv[1]);
 164       return 0;
 165     }
 166
 167   setenv ("IFS", IFS, 1);
 168
 169   /* Set up arena for pathname expansion */
 170   tmpnam (tmpdir);
 171   if (mkdir (tmpdir, S_IRWXU) ||
 172       chdir (tmpdir) ||
 173       (fd = creat ("one", S_IRWXU)) == -1 || close (fd) ||
 174       (fd = creat ("two", S_IRWXU)) == -1 || close (fd) ||
 175       (fd = creat ("three", S_IRWXU)) == -1 || close (fd))
 176     return -1;
 177
 178   for (test = 0; test_case[test].retval != -1; test++)
 179     if (testit (&test_case[test]))
 180       ++fail;
 181
 182   pw = getpwnam ("root");
 183   if (pw != NULL)
 184     {
 185       struct test_case_struct ts;
 186
 187       ts.retval = 0;
 188       ts.env = NULL;
 189       ts.words = "~root";
 190       ts.flags = 0;
 191       ts.wordc = 1;
 192       ts.wordv[0] = pw->pw_dir;
 193
 194       if (testit (&ts))
 195         ++fail;
 196     }
 197
 198   return fail != 0;
 199 }
 200
 201
 202 static int
 203 testit (struct test_case_struct *tc)
 204 {
 205   static int test;
 206   int retval;
 207   wordexp_t we;
 208   int bzzzt = 0;
 209   int i;
 210
 211   if (tc->env)
 212     setenv ("var", tc->env, 1);
 213   else
 214     unsetenv ("var");
 215
 216   printf ("Test %d: ", ++test);
 217   retval = wordexp (tc->words, &we, tc->flags);
 218
 219   if (retval != tc->retval || (retval != 0 && we.we_wordc != tc->wordc))
 220     bzzzt = 1;
 221   else
 222     for (i = 0; i < we.we_wordc; ++i)
 223       if (strcmp (tc->wordv[i], we.we_wordv[i]) != 0)
 224         {
 225           bzzzt = 1;
 226           break;
 227         }
 228
 229   if (bzzzt)
 230     {
 231       printf ("FAILED\n");
 232       printf ("Test words: <%s>, need retval %d, wordc %d\n",
 233               tc->words, tc->retval, tc->wordc);
 234       printf ("Got retval %d, wordc %d: ", retval, we.we_wordc);
 235       for (i = 0; i < we.we_wordc; ++i)
 236         printf ("<%s> ", we.we_wordv[i]);
 237       printf ("\n");
 238     }
 239   else
 240     printf ("OK\n");
 241
 242   wordfree (&we);
 243
 244   return bzzzt;
 245 }