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glibc/posix/wordexp-test.c
Ulrich Drepper 1ffaaca2a3 Update. 
1998-09-14 22:46  Tim Waugh  <tim@cyberelk.demon.co.uk>

	* posix/wordexp-test.c: Chet Ramey confirmed that bash's behaviour
	for field-splitting 🔤 is correct, and that two fields should
	result. Revert tests to reflect this.

	* posix/wordexp.c (w_emptyword): Remove function.
	(exec_comm): Don't use w_emptyword.
	(parse_param): Likewise.
1998-09-14 15:22:40 +00:00

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/* 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];
const char *ifs;
} test_case[] =
{
/* Simple word- and field-splitting */
{ 0, NULL, "one", 0, 1, { "one", }, IFS },
{ 0, NULL, "one two", 0, 2, { "one", "two", }, IFS },
{ 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, IFS },
{ 0, NULL, " \tfoo\t\tbar ", 0, 2, { "foo", "bar", }, IFS },
{ 0, NULL, "red , white blue", 0, 4, { "red", " ", "white", "blue", }, " ," },
{ 0, NULL, "one two three", 0, 3, { "one", "two", "three", }, "" },
{ 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, IFS },
{ 0, NULL, "one \"two three\"", 0, 2, { "one", "two three", }, "" },
{ 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, IFS },
{ 0, "two three", "one $var", 0, 3, { "one", "two", "three", }, IFS },
{ 0, "two three", "one \"$var\"", 0, 2, { "one", "two three", }, "" },
{ 0, "two three", "one $var", 0, 2, { "one", "two three", }, "" },
/* The non-whitespace IFS char at the end delimits the second field
* but does NOT start a new field. */
{ 0, ":abc:", "$var", 0, 2, { "", "abc", }, ":" },
{ 0, NULL, "$(echo :abc:)", 0, 2, { "", "abc", }, ":" },
{ 0, NULL, "$(echo :abc:\\ )", 0, 2, { "", "abc", }, ": " },
{ 0, NULL, "$(echo :abc\\ )", 0, 2, { "", "abc", }, ": " },
{ 0, ":abc:", "$(echo $var)", 0, 2, { "", "abc", }, ":" },
{ 0, NULL, ":abc:", 0, 1, { " abc ", }, ":" },
{ 0, NULL, "$(echo :abc:)def", 0, 3, { "", "abc", "def", }, ":" },
{ 0, NULL, "$(echo abc:de)f", 0, 2, { "abc", "def", }, ":" },
{ 0, NULL, "$(echo abc:de)f:ghi", 0, 2, { "abc", "def ghi", }, ":" },
{ 0, "abc:", "$var$(echo def:ghi)", 0, 3, { "abc", "def", "ghi", }, ":" },
{ 0, "abc:d", "$var$(echo ef:ghi)", 0, 3, { "abc", "def", "ghi", }, ":" },
{ 0, "def:ghi", "$(echo abc:)$var", 0, 3, { "abc", "def", "ghi", }, ":" },
{ 0, "ef:ghi", "$(echo abc:d)$var", 0, 3, { "abc", "def", "ghi", }, ":" },
/* Simple parameter expansion */
{ 0, "foo", "${var}", 0, 1, { "foo", }, IFS },
{ 0, "foo", "$var", 0, 1, { "foo", }, IFS },
{ 0, "foo", "\\\"$var\\\"", 0, 1, { "\"foo\"", }, IFS },
{ 0, "foo", "%$var%", 0, 1, { "%foo%", }, IFS },
{ 0, "foo", "-$var-", 0, 1, { "-foo-", }, IFS },
/* Simple quote removal */
{ 0, NULL, "\"quoted\"", 0, 1, { "quoted", }, IFS },
{ 0, "foo", "\"$var\"\"$var\"", 0, 1, { "foofoo", }, IFS },
{ 0, NULL, "'singly-quoted'", 0, 1, { "singly-quoted", }, IFS },
/* Simple command substitution */
{ 0, NULL, "$(echo hello)", 0, 1, { "hello", }, IFS },
{ 0, NULL, "$( (echo hello) )", 0, 1, { "hello", }, IFS },
{ 0, NULL, "$((echo hello);(echo there))", 0, 2, { "hello", "there", }, IFS },
{ 0, NULL, "`echo one two`", 0, 2, { "one", "two", }, IFS },
{ 0, NULL, "$(echo ')')", 0, 1, { ")" }, IFS },
{ 0, NULL, "$(echo hello; echo)", 0, 1, { "hello", }, IFS },
/* Simple arithmetic expansion */
{ 0, NULL, "$((1 + 1))", 0, 1, { "2", }, IFS },
{ 0, NULL, "$((2-3))", 0, 1, { "-1", }, IFS },
{ 0, NULL, "$((-1))", 0, 1, { "-1", }, IFS },
{ 0, NULL, "$[50+20]", 0, 1, { "70", }, IFS },
{ 0, NULL, "$(((2+3)*(4+5)))", 0, 1, { "45", }, IFS },
/* Advanced parameter expansion */
{ 0, NULL, "${var:-bar}", 0, 1, { "bar", }, IFS },
{ 0, NULL, "${var-bar}", 0, 1, { "bar", }, IFS },
{ 0, "", "${var:-bar}", 0, 1, { "bar", }, IFS },
{ 0, "foo", "${var:-bar}", 0, 1, { "foo", }, IFS },
{ 0, "", "${var-bar}", 0, 0, { NULL, }, IFS },
{ 0, NULL, "${var:=bar}", 0, 1, { "bar", }, IFS },
{ 0, NULL, "${var=bar}", 0, 1, { "bar", }, IFS },
{ 0, "", "${var:=bar}", 0, 1, { "bar", }, IFS },
{ 0, "foo", "${var:=bar}", 0, 1, { "foo", }, IFS },
{ 0, "", "${var=bar}", 0, 0, { NULL, }, IFS },
{ 0, "foo", "${var:?bar}", 0, 1, { "foo", }, IFS },
{ 0, NULL, "${var:+bar}", 0, 0, { NULL, }, IFS },
{ 0, NULL, "${var+bar}", 0, 0, { NULL, }, IFS },
{ 0, "", "${var:+bar}", 0, 0, { NULL, }, IFS },
{ 0, "foo", "${var:+bar}", 0, 1, { "bar", }, IFS },
{ 0, "", "${var+bar}", 0, 1, { "bar", }, IFS },
{ 0, "12345", "${#var}", 0, 1, { "5", }, IFS },
{ 0, NULL, "${var:-'}'}", 0, 1, { "}", }, IFS },
{ 0, NULL, "${var-}", 0, 0, { NULL }, IFS },
{ 0, "banana", "${var%na*}", 0, 1, { "bana", }, IFS },
{ 0, "banana", "${var%%na*}", 0, 1, { "ba", }, IFS },
{ 0, "borabora-island", "${var#*bora}", 0, 1, { "bora-island", }, IFS },
{ 0, "borabora-island", "${var##*bora}", 0, 1, {"-island", }, IFS },
{ 0, "100%", "${var%0%}", 0, 1, { "10" }, IFS },
/* Pathname expansion */
{ 0, NULL, "???", 0, 2, { "one", "two", }, IFS },
{ 0, NULL, "[ot]??", 0, 2, { "one", "two", }, IFS },
{ 0, NULL, "t*", 0, 2, { "three", "two", }, IFS },
{ 0, NULL, "\"t\"*", 0, 2, { "three", "two", }, IFS },
/* Nested constructs */
{ 0, "one two", "$var", 0, 2, { "one", "two", }, IFS },
{ 0, "one two three", "$var", 0, 3, { "one", "two", "three", }, IFS },
{ 0, " \tfoo\t\tbar ", "$var", 0, 2, { "foo", "bar", }, IFS },
{ 0, " red , white blue", "$var", 0, 3, { "red", "white", "blue", }, ", \n\t" },
{ 0, " red , white blue", "\"$var\"", 0, 1, { " red , white blue", }, ", \n\t" },
{ 0, NULL, "\"$(echo hello there)\"", 0, 1, { "hello there", }, IFS },
{ 0, NULL, "\"$(echo \"hello there\")\"", 0, 1, { "hello there", }, IFS },
{ 0, NULL, "${var=one two} \"$var\"", 0, 3, { "one", "two", "one two", }, IFS },
{ 0, "1", "$(( $(echo 3)+$var ))", 0, 1, { "4", }, IFS },
{ 0, NULL, "\"$(echo \"*\")\"", 0, 1, { "*", }, IFS },
{ 0, "foo", "*$var*", 0, 1, { "*foo*", }, IFS },
{ 0, "o thr", "*$var*", 0, 2, { "two", "three" }, IFS },
/* Different IFS values */
{ 0, "a b\tc\nd ", "$var", 0, 4, { "a", "b", "c", "d" }, NULL /* unset */ },
{ 0, "a b\tc d ", "$var", 0, 1, { "a b\tc d " }, "" /* `null' */ },
{ 0, "a,b c\n, d", "$var", 0, 3, { "a", "b c", " d" }, "\t\n," },
/* Other things that should succeed */
{ 0, NULL, "\\*\"|&;<>\"\\(\\)\\{\\}", 0, 1, { "*|&;<>(){}", }, IFS },
{ 0, "???", "$var", 0, 1, { "???", }, IFS },
{ 0, NULL, "$var", 0, 0, { NULL, }, IFS },
{ 0, NULL, "\"\\n\"", 0, 1, { "\\n", }, IFS },
{ 0, NULL, "", 0, 0, { NULL, }, IFS },
/* Things that should fail */
{ WRDE_BADCHAR, NULL, "new\nline", 0, 0, { NULL, }, "" /* \n not IFS */ },
{ WRDE_BADCHAR, NULL, "pipe|symbol", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "&ampersand", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "semi;colon", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "<greater", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "less>", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "(open-paren", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "close-paren)", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "{open-brace", 0, 0, { NULL, }, IFS },
{ WRDE_BADCHAR, NULL, "close-brace}", 0, 0, { NULL, }, IFS },
{ WRDE_CMDSUB, NULL, "$(ls)", WRDE_NOCMD, 0, { NULL, }, IFS },
{ WRDE_BADVAL, NULL, "$var", WRDE_UNDEF, 0, { NULL, }, IFS },
{ WRDE_BADVAL, NULL, "$9", WRDE_UNDEF, 0, { NULL, }, IFS },
{ WRDE_SYNTAX, NULL, "$[50+20))", 0, 0, { NULL, }, IFS },
{ WRDE_SYNTAX, NULL, "${%%noparam}", 0, 0, { NULL, }, IFS },
{ WRDE_SYNTAX, NULL, "${missing-brace", 0, 0, { NULL, }, IFS },
{ WRDE_SYNTAX, NULL, "$((2+))", 0, 0, { NULL, }, IFS },
{ WRDE_SYNTAX, NULL, "`", 0, 0, { NULL, }, IFS },
{ -1, NULL, NULL, 0, 0, { NULL, }, IFS },
};
static int testit (struct test_case_struct *tc);
static int tests;
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);
/* 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;
ts.ifs = IFS;
if (testit (&ts))
++fail;
}
puts ("tests completed, now cleaning up");
/* Clean up */
for (i = 0; globfile[i]; ++i)
remove (globfile[i]);
if (cwd == NULL)
cwd = "..";
chdir (cwd);
rmdir (tmpdir);
printf ("tests failed: %d\n", fail);
return fail != 0;
}
static int
testit (struct test_case_struct *tc)
{
int retval;
wordexp_t we;
int bzzzt = 0;
int i;
if (tc->env)
setenv ("var", tc->env, 1);
else
unsetenv ("var");
if (tc->ifs)
setenv ("IFS", tc->ifs, 1);
else
unsetenv ("IFS");
printf ("Test %d (%s): ", ++tests, tc->words);
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;
}
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