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   const char *ifs;
  39 } test_case[] =
  40   {
  41     /* Simple field-splitting */
  42     { 0, NULL, "one", 0, 1, { "one", }, IFS },
  43     { 0, NULL, "one two", 0, 2, { "one", "two", }, IFS },
  44     { 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, IFS },
  45     { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", }, IFS },
  46     { 0, NULL, "  red  , white blue", 0, 3, { "red", "white", "blue", }, ", \n\t" },
  47
  48     /* Simple parameter expansion */
  49     { 0, "foo", "${var}", 0, 1, { "foo", }, IFS },
  50     { 0, "foo", "$var", 0, 1, { "foo", }, IFS },
  51     { 0, "foo", "\\\"$var\\\"", 0, 1, { "\"foo\"", }, IFS },
  52     { 0, "foo", "%$var%", 0, 1, { "%foo%", }, IFS },
  53     { 0, "foo", "-$var-", 0, 1, { "-foo-", }, IFS },
  54
  55     /* Simple quote removal */
  56     { 0, NULL, "\"quoted\"", 0, 1, { "quoted", }, IFS },
  57     { 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", }, IFS },
  58     { 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", }, IFS },
  59
  60     /* Simple command substitution */
  61     { 0, NULL, "$(echo hello)", 0, 1, { "hello", }, IFS },
  62     { 0, NULL, "$( (echo hello) )", 0, 1, { "hello", }, IFS },
  63     { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", }, IFS },
  64     { 0, NULL, "`echo one two`", 0, 2, { "one", "two", }, IFS },
  65     { 0, NULL, "$(echo ')')", 0, 1, { ")" }, IFS },
  66     { 0, NULL, "$(echo hello; echo)", 0, 1, { "hello", }, IFS },
  67
  68     /* Simple arithmetic expansion */
  69     { 0, NULL, "$((1 + 1))", 0, 1, { "2", }, IFS },
  70     { 0, NULL, "$((2-3))", 0, 1, { "-1", }, IFS },
  71     { 0, NULL, "$((-1))", 0, 1, { "-1", }, IFS },
  72     { 0, NULL, "$[50+20]", 0, 1, { "70", }, IFS },
  73     { 0, NULL, "$(((2+3)*(4+5)))", 0, 1, { "45", }, IFS },
  74
  75     /* Advanced parameter expansion */
  76     { 0, NULL, "${var:-bar}", 0, 1, { "bar", }, IFS },
  77     { 0, NULL, "${var-bar}", 0, 1, { "bar", }, IFS },
  78     { 0, "", "${var:-bar}", 0, 1, { "bar", }, IFS },
  79     { 0, "foo", "${var:-bar}", 0, 1, { "foo", }, IFS },
  80     { 0, "", "${var-bar}", 0, 0, { NULL, }, IFS },
  81     { 0, NULL, "${var:=bar}", 0, 1, { "bar", }, IFS },
  82     { 0, NULL, "${var=bar}", 0, 1, { "bar", }, IFS },
  83     { 0, "", "${var:=bar}", 0, 1, { "bar", }, IFS },
  84     { 0, "foo", "${var:=bar}", 0, 1, { "foo", }, IFS },
  85     { 0, "", "${var=bar}", 0, 0, { NULL, }, IFS },
  86     { 0, "foo", "${var:?bar}", 0, 1, { "foo", }, IFS },
  87     { 0, NULL, "${var:+bar}", 0, 0, { NULL, }, IFS },
  88     { 0, NULL, "${var+bar}", 0, 0, { NULL, }, IFS },
  89     { 0, "", "${var:+bar}", 0, 0, { NULL, }, IFS },
  90     { 0, "foo", "${var:+bar}", 0, 1, { "bar", }, IFS },
  91     { 0, "", "${var+bar}", 0, 1, { "bar", }, IFS },
  92     { 0, "12345", "${#var}", 0, 1, { "5", }, IFS },
  93     { 0, NULL, "${var:-'}'}", 0, 1, { "}", }, IFS },
  94     { 0, NULL, "${var-}", 0, 0, { NULL }, IFS },
  95
  96     { 0, "banana", "${var%na*}", 0, 1, { "bana", }, IFS },
  97     { 0, "banana", "${var%%na*}", 0, 1, { "ba", }, IFS },
  98     { 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", }, IFS },
  99     { 0, "borabora-island", "${var##*bora}", 0, 1, {"-island", }, IFS },
 100     { 0, "100%", "${var%0%}", 0, 1, { "10" }, IFS },
 101
 102     /* Pathname expansion */
 103     { 0, NULL, "???", 0, 2, { "one", "two", }, IFS },
 104     { 0, NULL, "[ot]??", 0, 2, { "one", "two", }, IFS },
 105     { 0, NULL, "t*", 0, 2, { "three", "two", }, IFS },
 106     { 0, NULL, "\"t\"*", 0, 2, { "three", "two", }, IFS },
 107
 108     /* Nested constructs */
 109     { 0, "one two", "$var", 0, 2, { "one", "two", }, IFS },
 110     { 0, "one two three", "$var", 0, 3, { "one", "two", "three", }, IFS },
 111     { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", }, IFS },
 112     { 0, "  red  , white blue", "$var", 0, 3, { "red", "white", "blue", }, ", \n\t" },
 113     { 0, "  red  , white blue", "\"$var\"", 0, 1, { "  red  , white blue", }, ", \n\t" },
 114     { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", }, IFS },
 115     { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", }, IFS },
 116     { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", }, IFS },
 117     { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", }, IFS },
 118     { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", }, IFS },
 119     { 0, "foo", "*$var*", 0, 1, { "*foo*", }, IFS },
 120     { 0, "o thr", "*$var*", 0, 2, { "two", "three" }, IFS },
 121
 122     /* Other things that should succeed */
 123     { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", }, IFS },
 124     { 0, "???", "$var", 0, 1, { "???", }, IFS },
 125     { 0, NULL, "$var", 0, 0, { NULL, }, IFS },
 126     { 0, NULL, "\"\\n\"", 0, 1, { "\\n", }, IFS },
 127     { 0, NULL, "", 0, 0, { NULL, }, IFS },
 128
 129     /* Things that should fail */
 130     { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, }, IFS },
 131     { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, }, IFS },
 132     { WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, }, IFS },
 133     { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, }, IFS },
 134     { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, }, IFS },
 135     { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, }, IFS },
 136     { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, }, IFS },
 137     { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, }, IFS },
 138     { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, }, IFS },
 139     { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, }, IFS },
 140     { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, }, IFS },
 141     { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, }, IFS },
 142     { WRDE_BADVAL, NULL, "$9", WRDE_UNDEF, 0, { NULL, }, IFS },
 143     { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, }, IFS },
 144     { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, }, IFS },
 145     { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, }, IFS },
 146     { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, }, IFS },
 147     { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, }, IFS },
 148
 149     { -1, NULL, NULL, 0, 0, { NULL, }, IFS },
 150   };
 151
 152 static int testit (struct test_case_struct *tc);
 153 static int tests;
 154
 155 void
 156 command_line_test (const char *words)
 157 {
 158   wordexp_t we;
 159   int i;
 160   int retval = wordexp (words, &we, 0);
 161   printf ("wordexp returned %d\n", retval);
 162   for (i = 0; i < we.we_wordc; i++)
 163     printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]);
 164 }
 165
 166 int
 167 main (int argc, char *argv[])
 168 {
 169   const char *globfile[] = { "one", "two", "three", NULL };
 170   char tmpdir[32];
 171   struct passwd *pw;
 172   const char *cwd;
 173   int test;
 174   int fail = 0;
 175   int i;
 176
 177   if (argc > 1)
 178     {
 179       command_line_test (argv[1]);
 180       return 0;
 181     }
 182
 183   cwd = getcwd (NULL, 0);
 184
 185   /* Set up arena for pathname expansion */
 186   tmpnam (tmpdir);
 187   if (mkdir (tmpdir, S_IRWXU) || chdir (tmpdir))
 188     return -1;
 189   else
 190     {
 191       int fd;
 192
 193       for (i = 0; globfile[i]; ++i)
 194         if ((fd = creat (globfile[i], S_IRUSR | S_IWUSR)) == -1
 195             || close (fd))
 196           return -1;
 197     }
 198
 199   for (test = 0; test_case[test].retval != -1; test++)
 200     if (testit (&test_case[test]))
 201       ++fail;
 202
 203   pw = getpwnam ("root");
 204   if (pw != NULL)
 205     {
 206       struct test_case_struct ts;
 207
 208       ts.retval = 0;
 209       ts.env = NULL;
 210       ts.words = "~root";
 211       ts.flags = 0;
 212       ts.wordc = 1;
 213       ts.wordv[0] = pw->pw_dir;
 214       ts.ifs = IFS;
 215
 216       if (testit (&ts))
 217         ++fail;
 218     }
 219
 220   puts ("tests completed, now cleaning up");
 221
 222   /* Clean up */
 223   for (i = 0; globfile[i]; ++i)
 224     remove (globfile[i]);
 225
 226   if (cwd == NULL)
 227     cwd = "..";
 228
 229   chdir (cwd);
 230   rmdir (tmpdir);
 231
 232   printf ("tests failed: %d\n", fail);
 233
 234   return fail != 0;
 235 }
 236
 237
 238 static int
 239 testit (struct test_case_struct *tc)
 240 {
 241   int retval;
 242   wordexp_t we;
 243   int bzzzt = 0;
 244   int i;
 245
 246   if (tc->env)
 247     setenv ("var", tc->env, 1);
 248   else
 249     unsetenv ("var");
 250
 251   if (tc->ifs)
 252     setenv ("IFS", tc->ifs, 1);
 253   else
 254     unsetenv ("IFS");
 255
 256   printf ("Test %d (%s): ", ++tests, tc->words);
 257   retval = wordexp (tc->words, &we, tc->flags);
 258
 259   if (retval != tc->retval || (retval == 0 && we.we_wordc != tc->wordc))
 260     bzzzt = 1;
 261   else
 262     for (i = 0; i < we.we_wordc; ++i)
 263       if (strcmp (tc->wordv[i], we.we_wordv[i]) != 0)
 264         {
 265           bzzzt = 1;
 266           break;
 267         }
 268
 269   if (bzzzt)
 270     {
 271       printf ("FAILED\n");
 272       printf ("Test words: <%s>, need retval %d, wordc %d\n",
 273               tc->words, tc->retval, tc->wordc);
 274       printf ("Got retval %d, wordc %d: ", retval, we.we_wordc);
 275       for (i = 0; i < we.we_wordc; ++i)
 276         printf ("<%s> ", we.we_wordv[i]);
 277       printf ("\n");
 278     }
 279   else
 280     printf ("OK\n");
 281
 282   wordfree (&we);
 283
 284   return bzzzt;
 285 }