about summary refs log tree commit diff
path: root/posix/wordexp-test.c
blob: 1797a7a42e4904099e26b20a5448a9e22ae35c48 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <wordexp.h>

#define IFS ", \n\t"

struct test_case_struct
{
  int retval;
  const char *env;
  const char *words;
  int flags;
  int wordc;
  const char *wordv[10];
} test_case[] =
  {
    /* Simple field-splitting */
    { 0, NULL, "one", 0, 1, { "one", } },
    { 0, NULL, "one two", 0, 2, { "one", "two", } },
    { 0, NULL, "one two three", 0, 3, { "one", "two", "three", } },
    { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", } },
    { 0, NULL, "  red  , white blue", 0, 3, { "red", "white", "blue", } },

    /* Simple parameter expansion */
    { 0, "foo", "${var}", 0, 1, { "foo", } },
    { 0, "foo", "$var", 0, 1, { "foo", } },
    { 0, "foo", "\\\"$var\\\"", 0, 1, { "\"foo\"", } },
    { 0, "foo", "%$var%", 0, 1, { "%foo%", } },
    { 0, "foo", "-$var-", 0, 1, { "-foo-", } },

    /* Simple quote removal */
    { 0, NULL, "\"quoted\"", 0, 1, { "quoted", } },
    { 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", } },
    { 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", } },

    /* Simple command substitution */
    { 0, NULL, "$(echo hello)", 0, 1, { "hello", } },
    { 0, NULL, "$( (echo hello) )", 0, 1, { "hello", } },
    { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", } },
    { 0, NULL, "`echo one two`", 0, 2, { "one", "two", } },
    { 0, NULL, "$(echo ')')", 0, 1, { ")" } },
    { 0, NULL, "$(echo hello; echo)", 0, 1, { "hello", } },

    /* Simple arithmetic expansion */
    { 0, NULL, "$((1 + 1))", 0, 1, { "2", } },
    { 0, NULL, "$((2-3))", 0, 1, { "-1", } },
    { 0, NULL, "$((-1))", 0, 1, { "-1", } },
    { 0, NULL, "$[50+20]", 0, 1, { "70", } },
    { 0, NULL, "$(((2+3)*(4+5)))", 0, 1, { "45", } },

    /* Advanced parameter expansion */
    { 0, NULL, "${var:-bar}", 0, 1, { "bar", } },
    { 0, NULL, "${var-bar}", 0, 1, { "bar", } },
    { 0, "", "${var:-bar}", 0, 1, { "bar", } },
    { 0, "foo", "${var:-bar}", 0, 1, { "foo", } },
    { 0, "", "${var-bar}", 0, 0, { NULL, } },
    { 0, NULL, "${var:=bar}", 0, 1, { "bar", } },
    { 0, NULL, "${var=bar}", 0, 1, { "bar", } },
    { 0, "", "${var:=bar}", 0, 1, { "bar", } },
    { 0, "foo", "${var:=bar}", 0, 1, { "foo", } },
    { 0, "", "${var=bar}", 0, 0, { NULL, } },
    { 0, "foo", "${var:?bar}", 0, 1, { "foo", } },
    { 0, NULL, "${var:+bar}", 0, 0, { NULL, } },
    { 0, NULL, "${var+bar}", 0, 0, { NULL, } },
    { 0, "", "${var:+bar}", 0, 0, { NULL, } },
    { 0, "foo", "${var:+bar}", 0, 1, { "bar", } },
    { 0, "", "${var+bar}", 0, 1, { "bar", } },
    { 0, "12345", "${#var}", 0, 1, { "5", } },
    { 0, NULL, "${var:-'}'}", 0, 1, { "}", } },
    { 0, NULL, "${var-}", 0, 0, { NULL } },

    { 0, "banana", "${var%na*}", 0, 1, { "bana", } },
    { 0, "banana", "${var%%na*}", 0, 1, { "ba", } },
    { 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", } },
    { 0, "borabora-island", "${var##*bora}", 0, 1, {"-island", } },
    { 0, "100%", "${var%0%}", 0, 1, { "10" } },

    /* Pathname expansion */
    { 0, NULL, "???", 0, 2, { "one", "two", } },
    { 0, NULL, "[ot]??", 0, 2, { "one", "two", } },
    { 0, NULL, "t*", 0, 2, { "three", "two", } },
    { 0, NULL, "\"t\"*", 0, 2, { "three", "two", } },

    /* Nested constructs */
    { 0, "one two", "$var", 0, 2, { "one", "two", } },
    { 0, "one two three", "$var", 0, 3, { "one", "two", "three", } },
    { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", } },
    { 0, "  red  , white blue", "$var", 0, 3, { "red", "white", "blue", } },
    { 0, "  red  , white blue", "\"$var\"", 0, 1, { "  red  , white blue", } },
    { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", } },
    { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", } },
    { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", } },
    { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", } },
    { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", } },

    /* Other things that should succeed */
    { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", } },
    { 0, "???", "$var", 0, 1, { "???", } },
    { 0, NULL, "$var", 0, 0, { NULL, } },
    { 0, NULL, "\"\\n\"", 0, 1, { "\\n", } },
    { 0, NULL, "", 0, 0, { NULL, } },

    /* Things that should fail */
    { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, } },
    { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, } },
    { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, } },
    { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, } },
    { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, } },
    { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, } },
    { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, } },
    { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, } },
    { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, } },

    { -1, NULL, NULL, 0, 0, { NULL, } },
  };

static int testit (struct test_case_struct *tc);

void
command_line_test (const char *words)
{
  wordexp_t we;
  int i;
  int retval = wordexp (words, &we, 0);
  printf ("wordexp returned %d\n", retval);
  for (i = 0; i < we.we_wordc; i++)
    printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]);
}

int
main (int argc, char *argv[])
{
  const char *globfile[] = { "one", "two", "three", NULL };
  char tmpdir[32];
  struct passwd *pw;
  const char *cwd;
  int test;
  int fail = 0;
  int i;

  if (argc > 1)
    {
      command_line_test (argv[1]);
      return 0;
    }

  cwd = getcwd (NULL, 0);
  setenv ("IFS", IFS, 1);

  /* Set up arena for pathname expansion */
  tmpnam (tmpdir);
  if (mkdir (tmpdir, S_IRWXU) || chdir (tmpdir))
    return -1;
  else
    {
      int fd;

      for (i = 0; globfile[i]; ++i)
	if ((fd = creat (globfile[i], S_IRUSR | S_IWUSR)) == -1
	    || close (fd))
	  return -1;
    }

  for (test = 0; test_case[test].retval != -1; test++)
    if (testit (&test_case[test]))
      ++fail;

  pw = getpwnam ("root");
  if (pw != NULL)
    {
      struct test_case_struct ts;

      ts.retval = 0;
      ts.env = NULL;
      ts.words = "~root";
      ts.flags = 0;
      ts.wordc = 1;
      ts.wordv[0] = pw->pw_dir;

      if (testit (&ts))
	++fail;
    }

  /* Clean up */
  for (i = 0; globfile[i]; ++i)
    remove (globfile[i]);

  if (cwd == NULL)
    cwd = "..";

  chdir (cwd);
  rmdir (tmpdir);

  return fail != 0;
}


static int
testit (struct test_case_struct *tc)
{
  static int test;
  int retval;
  wordexp_t we;
  int bzzzt = 0;
  int i;

  if (tc->env)
    setenv ("var", tc->env, 1);
  else
    unsetenv ("var");

  printf ("Test %d: ", ++test);
  retval = wordexp (tc->words, &we, tc->flags);

  if (retval != tc->retval || (retval == 0 && we.we_wordc != tc->wordc))
    bzzzt = 1;
  else
    for (i = 0; i < we.we_wordc; ++i)
      if (strcmp (tc->wordv[i], we.we_wordv[i]) != 0)
	{
	  bzzzt = 1;
	  break;
	}

  if (bzzzt)
    {
      printf ("FAILED\n");
      printf ("Test words: <%s>, need retval %d, wordc %d\n",
	      tc->words, tc->retval, tc->wordc);
      printf ("Got retval %d, wordc %d: ", retval, we.we_wordc);
      for (i = 0; i < we.we_wordc; ++i)
	printf ("<%s> ", we.we_wordv[i]);
      printf ("\n");
    }
  else
    printf ("OK\n");

  wordfree (&we);

  return bzzzt;
}