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#!/bin/sh
# Test some of ls's sorting options.

# Copyright (C) 1998-2001, 2004, 2007-2008 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 3 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, see <http://www.gnu.org/licenses/>.

if test "$VERBOSE" = yes; then
  set -x
  ls --version
fi

. $srcdir/test-lib.sh

# Avoid any possible glitches due to daylight-saving changes near the
# time stamps used during the test.
TZ=UTC0
export TZ

t1='1998-01-15 21:00'
t2='1998-01-15 22:00'
t3='1998-01-15 23:00'

u1='1998-01-14 11:00'
u2='1998-01-14 12:00'
u3='1998-01-14 13:00'

touch -m -d "$t3" a || framework_failure
touch -m -d "$t2" b || framework_failure
touch -m -d "$t1" c || framework_failure

touch -a -d "$u3" c || framework_failure
touch -a -d "$u2" b || framework_failure
# Make sure A has ctime at least 1 second more recent than C's.
sleep 2
touch -a -d "$u1" a || framework_failure

fail=0

# A has ctime more recent than C.
set `ls -c a c`
test "$*" = 'a c' || fail=1

# Sleep so long in an attempt to avoid spurious failures
# due to NFS caching and/or clock skew.
sleep 2

# Create a link, updating c's ctime.
ln c d || framework_failure

# Before we go any further, verify that touch's -m option works.
set -- `ls --full -l a`
case "$*" in
  *" $t3:00.000000000 +0000 a") ;;
  *)
  # This might be what's making HPUX 11 systems fail this test.
  cat >&2 << EOF
A basic test of touch -m has just failed, so the subsequent
tests in this file will not be run.

In the output below, the date of last modification for \`a' should
have been $t3.
EOF
  #`
  ls --full -l a
  framework_failure
  ;;
esac

# Now test touch's -a option.
set -- `ls --full -lu a`
case "$*" in
  *" $u1:00.000000000 +0000 a") ;;
  *)
  # This might be what's making HPUX 11 systems fail this test.
  cat >&2 << EOF
A basic test of touch -a has just failed, so the subsequent
tests in this file will not be run.

In the output below, the date of last access for \`a' should
have been $u1.
EOF
  ls --full -lu a
  (exit 77); exit 77
  ;;
esac

set `ls -ut a b c`
test "$*" = 'c b a' && : || fail=1
test $fail = 1 && ls -l --full-time --time=access a b c

set `ls -t a b c`
test "$*" = 'a b c' && : || fail=1
test $fail = 1 && ls -l --full-time a b c

# Now, C should have ctime more recent than A.
set `ls -ct a c`
if test "$*" = 'c a'; then
  : ok
else
  # In spite of documentation, (e.g., stat(2)), neither link nor chmod
  # update a file's st_ctime on SunOS4.1.4.
  cat >&2 << \EOF
failed ls ctime test -- this failure is expected at least for SunOS4.1.4
and for tmpfs file systems on Solaris 5.5.1.

In the output below, `c' should have had a ctime more recent than
that of `a', but does not.
EOF
  #'
  ls -ctl --full-time a c
  fail=1
fi

(exit $fail); exit $fail