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[glibc/pb-stable.git] / posix / wordexp-test.c
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1 /* Copyright (C) 1997, 1998, 2000, 2001, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
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 <string.h>
27 #include <wordexp.h>
29 #define IFS " \n\t"
31 struct test_case_struct
33 int retval;
34 const char *env;
35 const char *words;
36 int flags;
37 size_t wordc;
38 const char *wordv[10];
39 const char *ifs;
40 } test_case[] =
42 /* Simple word- and field-splitting */
43 { 0, NULL, "one", 0, 1, { "one", }, IFS },
44 { 0, NULL, "one two", 0, 2, { "one", "two", }, IFS },
45 { 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, IFS },
46 { 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", }, IFS },
47 { 0, NULL, "red , white blue", 0, 4, { "red", ",", "white", "blue", }, " ," },
48 { 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, "" },
49 { 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, IFS },
50 { 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, "" },
51 { 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, IFS },
52 { 0, "two three", "one $var", 0, 3, { "one", "two", "three", }, IFS },
53 { 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, "" },
54 { 0, "two three", "one $var", 0, 2, { "one", "two three", }, "" },
56 /* The non-whitespace IFS char at the end delimits the second field
57 * but does NOT start a new field. */
58 { 0, ":abc:", "$var", 0, 2, { "", "abc", }, ":" },
60 { 0, NULL, "$(echo :abc:)", 0, 2, { "", "abc", }, ":" },
61 { 0, NULL, "$(echo :abc:\\ )", 0, 2, { "", "abc", }, ": " },
62 { 0, NULL, "$(echo :abc\\ )", 0, 2, { "", "abc", }, ": " },
63 { 0, ":abc:", "$(echo $var)", 0, 2, { "", "abc", }, ":" },
64 { 0, NULL, ":abc:", 0, 1, { ":abc:", }, ":" },
65 { 0, NULL, "$(echo :abc:)def", 0, 3, { "", "abc", "def", },
66 ":" },
67 { 0, NULL, "$(echo abc:de)f", 0, 2, { "abc", "def", }, ":" },
68 { 0, NULL, "$(echo abc:de)f:ghi", 0, 2, { "abc", "def:ghi", },
69 ":" },
70 { 0, NULL, "abc:d$(echo ef:ghi)", 0, 2, { "abc:def", "ghi", },
71 ":" },
72 { 0, "abc:", "$var$(echo def:ghi)", 0, 3, { "abc", "def",
73 "ghi", }, ":" },
74 { 0, "abc:d", "$var$(echo ef:ghi)", 0, 3, { "abc", "def",
75 "ghi", }, ":" },
76 { 0, "def:ghi", "$(echo abc:)$var", 0, 3, { "abc", "def",
77 "ghi", }, ":" },
78 { 0, "ef:ghi", "$(echo abc:d)$var", 0, 3, { "abc", "def",
79 "ghi", }, ":" },
81 /* Simple parameter expansion */
82 { 0, "foo", "${var}", 0, 1, { "foo", }, IFS },
83 { 0, "foo", "$var", 0, 1, { "foo", }, IFS },
84 { 0, "foo", "\\\"$var\\\"", 0, 1, { "\"foo\"", }, IFS },
85 { 0, "foo", "%$var%", 0, 1, { "%foo%", }, IFS },
86 { 0, "foo", "-$var-", 0, 1, { "-foo-", }, IFS },
88 /* Simple quote removal */
89 { 0, NULL, "\"quoted\"", 0, 1, { "quoted", }, IFS },
90 { 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", }, IFS },
91 { 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", }, IFS },
92 { 0, NULL, "contin\\\nuation", 0, 1, { "continuation", }, IFS },
93 { 0, NULL, "explicit ''", 0, 2, { "explicit", "", }, IFS },
94 { 0, NULL, "explicit \"\"", 0, 2, { "explicit", "", }, IFS },
95 { 0, NULL, "explicit ``", 0, 1, { "explicit", }, IFS },
97 /* Simple command substitution */
98 { 0, NULL, "$(echo hello)", 0, 1, { "hello", }, IFS },
99 { 0, NULL, "$( (echo hello) )", 0, 1, { "hello", }, IFS },
100 { 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", }, IFS },
101 { 0, NULL, "`echo one two`", 0, 2, { "one", "two", }, IFS },
102 { 0, NULL, "$(echo ')')", 0, 1, { ")" }, IFS },
103 { 0, NULL, "$(echo hello; echo)", 0, 1, { "hello", }, IFS },
104 { 0, NULL, "a$(echo b)c", 0, 1, { "abc", }, IFS },
106 /* Simple arithmetic expansion */
107 { 0, NULL, "$((1 + 1))", 0, 1, { "2", }, IFS },
108 { 0, NULL, "$((2-3))", 0, 1, { "-1", }, IFS },
109 { 0, NULL, "$((-1))", 0, 1, { "-1", }, IFS },
110 { 0, NULL, "$[50+20]", 0, 1, { "70", }, IFS },
111 { 0, NULL, "$(((2+3)*(4+5)))", 0, 1, { "45", }, IFS },
112 { 0, NULL, "$((010))", 0, 1, { "8" }, IFS },
113 { 0, NULL, "$((0x10))", 0, 1, { "16" }, IFS },
114 { 0, NULL, "$((010+0x10))", 0, 1, { "24" }, IFS },
115 { 0, NULL, "$((-010+0x10))", 0, 1, { "8" }, IFS },
116 { 0, NULL, "$((-0x10+010))", 0, 1, { "-8" }, IFS },
118 /* Advanced parameter expansion */
119 { 0, NULL, "${var:-bar}", 0, 1, { "bar", }, IFS },
120 { 0, NULL, "${var-bar}", 0, 1, { "bar", }, IFS },
121 { 0, "", "${var:-bar}", 0, 1, { "bar", }, IFS },
122 { 0, "foo", "${var:-bar}", 0, 1, { "foo", }, IFS },
123 { 0, "", "${var-bar}", 0, 0, { NULL, }, IFS },
124 { 0, NULL, "${var:=bar}", 0, 1, { "bar", }, IFS },
125 { 0, NULL, "${var=bar}", 0, 1, { "bar", }, IFS },
126 { 0, "", "${var:=bar}", 0, 1, { "bar", }, IFS },
127 { 0, "foo", "${var:=bar}", 0, 1, { "foo", }, IFS },
128 { 0, "", "${var=bar}", 0, 0, { NULL, }, IFS },
129 { 0, "foo", "${var:?bar}", 0, 1, { "foo", }, IFS },
130 { 0, NULL, "${var:+bar}", 0, 0, { NULL, }, IFS },
131 { 0, NULL, "${var+bar}", 0, 0, { NULL, }, IFS },
132 { 0, "", "${var:+bar}", 0, 0, { NULL, }, IFS },
133 { 0, "foo", "${var:+bar}", 0, 1, { "bar", }, IFS },
134 { 0, "", "${var+bar}", 0, 1, { "bar", }, IFS },
135 { 0, "12345", "${#var}", 0, 1, { "5", }, IFS },
136 { 0, NULL, "${var:-'}'}", 0, 1, { "}", }, IFS },
137 { 0, NULL, "${var-}", 0, 0, { NULL }, IFS },
139 { 0, "pizza", "${var#${var}}", 0, 0, { NULL }, IFS },
140 { 0, "pepperoni", "${var%$(echo oni)}", 0, 1, { "pepper" }, IFS },
141 { 0, "6pack", "${var#$((6))}", 0, 1, { "pack" }, IFS },
142 { 0, "b*witched", "${var##b*}", 0, 0, { NULL }, IFS },
143 { 0, "b*witched", "${var##\"b*\"}", 0, 1, { "witched" }, IFS },
144 { 0, "banana", "${var%na*}", 0, 1, { "bana", }, IFS },
145 { 0, "banana", "${var%%na*}", 0, 1, { "ba", }, IFS },
146 { 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", }, IFS },
147 { 0, "borabora-island", "${var##*bora}", 0, 1, { "-island", }, IFS },
148 { 0, "coconut", "${var##\\*co}", 0, 1, { "coconut", }, IFS },
149 { 0, "100%", "${var%0%}", 0, 1, { "10" }, IFS },
151 /* Pathname expansion */
152 { 0, NULL, "???", 0, 2, { "one", "two", }, IFS },
153 { 0, NULL, "[ot]??", 0, 2, { "one", "two", }, IFS },
154 { 0, NULL, "t*", 0, 2, { "three", "two", }, IFS },
155 { 0, NULL, "\"t\"*", 0, 2, { "three", "two", }, IFS },
157 /* Nested constructs */
158 { 0, "one two", "$var", 0, 2, { "one", "two", }, IFS },
159 { 0, "one two three", "$var", 0, 3, { "one", "two", "three", }, IFS },
160 { 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", }, IFS },
161 { 0, " red , white blue", "$var", 0, 3, { "red", "white", "blue", }, ", \n\t" },
162 { 0, " red , white blue", "\"$var\"", 0, 1, { " red , white blue", }, ", \n\t" },
163 { 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", }, IFS },
164 { 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", }, IFS },
165 { 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", }, IFS },
166 { 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", }, IFS },
167 { 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", }, IFS },
168 { 0, NULL, "\"a\n\n$(echo)b\"", 0, 1, { "a\n\nb", }, IFS },
169 { 0, "foo", "*$var*", 0, 1, { "*foo*", }, IFS },
170 { 0, "o thr", "*$var*", 0, 2, { "two", "three" }, IFS },
172 /* Different IFS values */
173 { 0, "a b\tc\nd ", "$var", 0, 4, { "a", "b", "c", "d" }, NULL /* unset */ },
174 { 0, "a b\tc d ", "$var", 0, 1, { "a b\tc d " }, "" /* `null' */ },
175 { 0, "a,b c\n, d", "$var", 0, 3, { "a", "b c", " d" }, "\t\n," },
177 /* Other things that should succeed */
178 { 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", }, IFS },
179 { 0, "???", "$var", 0, 1, { "???", }, IFS },
180 { 0, NULL, "$var", 0, 0, { NULL, }, IFS },
181 { 0, NULL, "\"\\n\"", 0, 1, { "\\n", }, IFS },
182 { 0, NULL, "", 0, 0, { NULL, }, IFS },
184 /* Flags not already covered (testit() has special handling for these) */
185 { 0, NULL, "one two", WRDE_DOOFFS, 2, { "one", "two", }, IFS },
186 { 0, NULL, "appended", WRDE_APPEND, 3, { "pre1", "pre2", "appended", }, IFS },
187 { 0, NULL, "appended", WRDE_DOOFFS|WRDE_APPEND, 3, { "pre1", "pre2", "appended", }, IFS },
189 /* Things that should fail */
190 { WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, }, "" /* \n not IFS */ },
191 { WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, }, IFS },
192 { WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, }, IFS },
193 { WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, }, IFS },
194 { WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, }, IFS },
195 { WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, }, IFS },
196 { WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, }, IFS },
197 { WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, }, IFS },
198 { WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, }, IFS },
199 { WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, }, IFS },
200 { WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, }, IFS },
201 { WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, }, IFS },
202 { WRDE_BADVAL, NULL, "$9", WRDE_UNDEF, 0, { NULL, }, IFS },
203 { WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, }, IFS },
204 { WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, }, IFS },
205 { WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, }, IFS },
206 { WRDE_SYNTAX, NULL, "$(for i in)", 0, 0, { NULL, }, IFS },
207 { WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, }, IFS },
208 { WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, }, IFS },
209 { WRDE_SYNTAX, NULL, "$((010+4+))", 0, 0, { NULL }, IFS },
211 { -1, NULL, NULL, 0, 0, { NULL, }, IFS },
214 static int testit (struct test_case_struct *tc);
215 static int tests;
217 static void
218 command_line_test (const char *words)
220 wordexp_t we;
221 int i;
222 int retval = wordexp (words, &we, 0);
223 printf ("wordexp returned %d\n", retval);
224 for (i = 0; i < we.we_wordc; i++)
225 printf ("we_wordv[%d] = \"%s\"\n", i, we.we_wordv[i]);
229 main (int argc, char *argv[])
231 const char *globfile[] = { "one", "two", "three", NULL };
232 char tmpdir[32];
233 struct passwd *pw;
234 const char *cwd;
235 int test;
236 int fail = 0;
237 int i;
238 struct test_case_struct ts;
240 if (argc > 1)
242 command_line_test (argv[1]);
243 return 0;
246 cwd = getcwd (NULL, 0);
248 /* Set up arena for pathname expansion */
249 tmpnam (tmpdir);
250 if (mkdir (tmpdir, S_IRWXU) || chdir (tmpdir))
251 return -1;
252 else
254 int fd;
256 for (i = 0; globfile[i]; ++i)
257 if ((fd = creat (globfile[i], S_IRUSR | S_IWUSR)) == -1
258 || close (fd))
259 return -1;
262 for (test = 0; test_case[test].retval != -1; test++)
263 if (testit (&test_case[test]))
264 ++fail;
266 /* Tilde-expansion tests. */
267 pw = getpwnam ("root");
268 if (pw != NULL)
270 ts.retval = 0;
271 ts.env = NULL;
272 ts.words = "~root ";
273 ts.flags = 0;
274 ts.wordc = 1;
275 ts.wordv[0] = pw->pw_dir;
276 ts.ifs = IFS;
278 if (testit (&ts))
279 ++fail;
281 ts.retval = 0;
282 ts.env = pw->pw_dir;
283 ts.words = "${var#~root}x";
284 ts.flags = 0;
285 ts.wordc = 1;
286 ts.wordv[0] = "x";
287 ts.ifs = IFS;
289 if (testit (&ts))
290 ++fail;
293 /* "~" expands to value of $HOME when HOME is set */
295 setenv ("HOME", "/dummy/home", 1);
296 ts.retval = 0;
297 ts.env = NULL;
298 ts.words = "~ ~/foo";
299 ts.flags = 0;
300 ts.wordc = 2;
301 ts.wordv[0] = "/dummy/home";
302 ts.wordv[1] = "/dummy/home/foo";
303 ts.ifs = IFS;
305 if (testit (&ts))
306 ++fail;
308 /* "~" expands to home dir from passwd file if HOME is not set */
310 pw = getpwuid (getuid ());
311 if (pw != NULL)
313 unsetenv ("HOME");
314 ts.retval = 0;
315 ts.env = NULL;
316 ts.words = "~";
317 ts.flags = 0;
318 ts.wordc = 1;
319 ts.wordv[0] = pw->pw_dir;
320 ts.ifs = IFS;
322 if (testit (&ts))
323 ++fail;
326 puts ("tests completed, now cleaning up");
328 /* Clean up */
329 for (i = 0; globfile[i]; ++i)
330 remove (globfile[i]);
332 if (cwd == NULL)
333 cwd = "..";
335 chdir (cwd);
336 rmdir (tmpdir);
338 printf ("tests failed: %d\n", fail);
340 return fail != 0;
344 static int
345 testit (struct test_case_struct *tc)
347 int retval;
348 wordexp_t we, sav_we;
349 char *dummy;
350 int bzzzt = 0;
351 int start_offs = 0;
352 int i;
354 if (tc->env)
355 setenv ("var", tc->env, 1);
356 else
357 unsetenv ("var");
359 if (tc->ifs)
360 setenv ("IFS", tc->ifs, 1);
361 else
362 unsetenv ("IFS");
364 sav_we.we_wordc = 99;
365 sav_we.we_wordv = &dummy;
366 sav_we.we_offs = 3;
367 we = sav_we;
369 printf ("Test %d (%s): ", ++tests, tc->words);
371 if (tc->flags & WRDE_APPEND)
373 /* initial wordexp() call, to be appended to */
374 if (wordexp ("pre1 pre2", &we, tc->flags & ~WRDE_APPEND) != 0)
376 printf ("FAILED setup\n");
377 return 1;
380 retval = wordexp (tc->words, &we, tc->flags);
382 if (tc->flags & WRDE_DOOFFS)
383 start_offs = sav_we.we_offs;
385 if (retval != tc->retval || (retval == 0 && we.we_wordc != tc->wordc))
386 bzzzt = 1;
387 else if (retval == 0)
389 for (i = 0; i < start_offs; ++i)
390 if (we.we_wordv[i] != NULL)
392 bzzzt = 1;
393 break;
396 for (i = 0; i < we.we_wordc; ++i)
397 if (we.we_wordv[i+start_offs] == NULL ||
398 strcmp (tc->wordv[i], we.we_wordv[i+start_offs]) != 0)
400 bzzzt = 1;
401 break;
405 if (bzzzt)
407 printf ("FAILED\n");
408 printf ("Test words: <%s>, need retval %d, wordc %Zd\n",
409 tc->words, tc->retval, tc->wordc);
410 if (start_offs != 0)
411 printf ("(preceded by %d NULLs)\n", start_offs);
412 printf ("Got retval %d, wordc %Zd: ", retval, we.we_wordc);
413 if (retval == 0 || retval == WRDE_NOSPACE)
415 for (i = 0; i < we.we_wordc + start_offs; ++i)
416 if (we.we_wordv[i] == NULL)
417 printf ("NULL ");
418 else
419 printf ("<%s> ", we.we_wordv[i]);
421 printf ("\n");
423 else if (retval != 0 && retval != WRDE_NOSPACE &&
424 (we.we_wordc != sav_we.we_wordc ||
425 we.we_wordv != sav_we.we_wordv ||
426 we.we_offs != sav_we.we_offs))
428 bzzzt = 1;
429 printf ("FAILED to restore wordexp_t members\n");
431 else
432 printf ("OK\n");
434 if (retval == 0 || retval == WRDE_NOSPACE)
435 wordfree (&we);
437 return bzzzt;