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-rwxr-xr-xtests/misc/close-stdout77
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