2 # Ensure that several programs work fine, even with stdout initially closed.
3 # This is effectively a test of closeout.c's close_stdout function.
5 # Copyright (C) 2004, 2006 Free Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 if test "$VERBOSE" = yes; then
28 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
29 trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
30 trap '(exit $?); exit $?' 1 2 13 15
33 mkdir -p $tmp || framework_failure=1
34 cd $tmp || framework_failure=1
36 if test $framework_failure = 1; then
37 echo "$0: failure in testing framework" 1>&2
41 PATH="$pwd/../..:$PATH"
46 # Ensure these exit successfully, even though stdout is closed,
47 # because they generate no output.
51 chmod o-w . >&- || fail=1
59 "$pwd/../../src/true" >&- || fail=1
60 "$pwd/../../src/printf" '' >&- || fail=1
62 # If >&- works, ensure these fail, because stdout is closed and they
63 # *do* generate output. >&- apparently does not work in HP-UX 11.23.
64 # This test is ineffective unless /dev/stdout also works.
65 if "$pwd/../../src/test" -w /dev/stdout >/dev/null &&
66 "$pwd/../../src/test" ! -w /dev/stdout >&-; then
67 "$pwd/../../src/printf" 'foo' >&- 2>/dev/null && fail=1
68 cp --verbose a b >&- 2>/dev/null && fail=1
71 # Likewise for /dev/full, if /dev/full works.
72 if test -w /dev/full && test -c /dev/full; then
73 "$pwd/../../src/printf" 'foo' >/dev/full 2>/dev/null && fail=1
74 cp --verbose a b >/dev/full 2>/dev/null && fail=1
77 (exit $fail); exit $fail