tests/misc/close-stdout

   1 #!/bin/sh
   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.
   4
   5 # Copyright (C) 2004, 2006-2010 Free Software Foundation, Inc.
   6
   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 3 of the License, or
  10 # (at your option) any later version.
  11
  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.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 if test "$VERBOSE" = yes; then
  21   set -x
  22   rm --version
  23 fi
  24
  25 . $srcdir/test-lib.sh
  26
  27 p=$abs_top_builddir
  28
  29
  30 # Ensure these exit successfully, even though stdout is closed,
  31 # because they generate no output.
  32 touch a
  33 cp a b >&- || fail=1
  34 test -f b || fail=1
  35 chmod o-w . >&- || fail=1
  36 ln a c >&- || fail=1
  37 rm c >&- || fail=1
  38 mkdir d >&- || fail=1
  39 mv d e >&- || fail=1
  40 rmdir e >&- || fail=1
  41 touch e >&- || fail=1
  42 sleep 0 >&- || fail=1
  43 "$p/src/true" >&- || fail=1
  44 "$p/src/printf" '' >&- || fail=1
  45
  46 # If >&- works, ensure these fail, because stdout is closed and they
  47 # *do* generate output.  >&- apparently does not work in HP-UX 11.23.
  48 # This test is ineffective unless /dev/stdout also works.
  49 if "$p/src/test" -w /dev/stdout >/dev/null &&
  50    "$p/src/test" ! -w /dev/stdout >&-; then
  51   "$p/src/printf" 'foo' >&- 2>/dev/null && fail=1
  52   cp --verbose a b >&- 2>/dev/null && fail=1
  53   rm -Rf tmpfile-?????? || fail=1
  54   mktemp tmpfile-XXXXXX >&- 2>/dev/null && fail=1
  55   mktemp tmpfile-XXXXXX -q >&- 2>/dev/null && fail=1
  56   case `echo tmpfile-??????` in 'tmpfile-??????') ;; *) fail=1 ;; esac
  57 fi
  58
  59 # Likewise for /dev/full, if /dev/full works.
  60 if test -w /dev/full && test -c /dev/full; then
  61   "$p/src/printf" 'foo' >/dev/full 2>/dev/null && fail=1
  62   cp --verbose a b >/dev/full 2>/dev/null && fail=1
  63   rm -Rf tmpdir-?????? || fail=1
  64   mktemp -d tmpdir-XXXXXX >/dev/full 2>/dev/null && fail=1
  65   mktemp -d -q tmpdir-XXXXXX >/dev/full 2>/dev/null && fail=1
  66   case `echo tmpfile-??????` in 'tmpfile-??????') ;; *) fail=1 ;; esac
  67 fi
  68
  69 Exit $fail