diff options
Diffstat (limited to 'tests/misc/close-stdout')
-rwxr-xr-x | tests/misc/close-stdout | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tests/misc/close-stdout b/tests/misc/close-stdout new file mode 100755 index 0000000..dd8bbc5 --- /dev/null +++ b/tests/misc/close-stdout @@ -0,0 +1,77 @@ +#!/bin/sh +# Ensure that several programs work fine, even with stdout initially closed. +# This is effectively a test of closeout.c's close_stdout function. + +# Copyright (C) 2004, 2006 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. + +# This program 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 General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +if test "$VERBOSE" = yes; then + set -x + rm --version +fi + +pwd=`pwd` +t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$ +trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0 +trap '(exit $?); exit $?' 1 2 13 15 + +framework_failure=0 +mkdir -p $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +if test $framework_failure = 1; then + echo "$0: failure in testing framework" 1>&2 + (exit 1); exit 1 +fi + +PATH="$pwd/../..:$PATH" +export PATH + +fail=0 + +# Ensure these exit successfully, even though stdout is closed, +# because they generate no output. +touch a +cp a b >&- || fail=1 +test -f b || fail=1 +chmod o-w . >&- || fail=1 +ln a c >&- || fail=1 +rm c >&- || fail=1 +mkdir d >&- || fail=1 +mv d e >&- || fail=1 +rmdir e >&- || fail=1 +touch e >&- || fail=1 +sleep 0 >&- || fail=1 +"$pwd/../../src/true" >&- || fail=1 +"$pwd/../../src/printf" '' >&- || fail=1 + +# If >&- works, ensure these fail, because stdout is closed and they +# *do* generate output. >&- apparently does not work in HP-UX 11.23. +# This test is ineffective unless /dev/stdout also works. +if "$pwd/../../src/test" -w /dev/stdout >/dev/null && + "$pwd/../../src/test" ! -w /dev/stdout >&-; then + "$pwd/../../src/printf" 'foo' >&- 2>/dev/null && fail=1 + cp --verbose a b >&- 2>/dev/null && fail=1 +fi + +# Likewise for /dev/full, if /dev/full works. +if test -w /dev/full && test -c /dev/full; then + "$pwd/../../src/printf" 'foo' >/dev/full 2>/dev/null && fail=1 + cp --verbose a b >/dev/full 2>/dev/null && fail=1 +fi + +(exit $fail); exit $fail |