From e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 18:58:41 +0200
Subject: Adding upstream version 9.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/touch/empty-file.sh | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100755 tests/touch/empty-file.sh

(limited to 'tests/touch/empty-file.sh')

diff --git a/tests/touch/empty-file.sh b/tests/touch/empty-file.sh
new file mode 100755
index 0000000..6946ae3
--- /dev/null
+++ b/tests/touch/empty-file.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+# Make sure touch can set the mtime on an empty file.
+
+# Copyright (C) 1998-2023 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 <https://www.gnu.org/licenses/>.
+
+
+# Volker Borchert reported that touch 3.16r (and presumably all before that)
+# fails to work on SunOS 4.1.3 with 'most of the recommended patches' when
+# the empty file is on an NFS-mounted 4.2 volume.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ touch
+
+DEFAULT_SLEEP_SECONDS=2
+SLEEP_SECONDS=${SLEEP_SECONDS=$DEFAULT_SLEEP_SECONDS}
+
+
+# FIXME: find writable directories on other partitions
+# and run the test in those directories, too.
+
+: ${TOUCH_DIR_LIST=.}
+
+
+for d in $TOUCH_DIR_LIST; do
+  rm -rf $d/a $d/b $d/c
+  > $d/a || framework_failure_
+  test -f $d/a || framework_failure_
+  > $d/b || framework_failure_
+  test -f $d/b || framework_failure_
+  > $d/c || framework_failure_
+  test -f $d/c || framework_failure_
+done
+
+echo sleeping for $SLEEP_SECONDS seconds...
+sleep $SLEEP_SECONDS
+for d in $TOUCH_DIR_LIST; do
+  touch $d/a || fail=1
+  set x $(ls -t $d/a $d/b)
+  test "$*" = "x $d/a $d/b" || fail=1
+done
+
+echo sleeping for $SLEEP_SECONDS seconds...
+sleep $SLEEP_SECONDS
+for d in $TOUCH_DIR_LIST; do
+  touch $d/b
+  set x $(ls -t $d/a $d/b)
+  test "$*" = "x $d/b $d/a" || fail=1
+
+  if touch - 1< $d/c 2> /dev/null; then
+    set x $(ls -t $d/a $d/c)
+    test "$*" = "x $d/c $d/a" || fail=1
+  fi
+
+  rm -rf $d/a $d/b $d/c
+done
+
+if test $fail != 0; then
+  cat 1>&2 <<EOF
+*** This test has just failed.  That can happen when the test is run in an
+*** NFS-mounted directory on a system whose clock is not well synchronized
+*** with that of the NFS server.  If you think that is the reason, set the
+*** environment variable SLEEP_SECONDS to some number of seconds larger than
+*** the default of $DEFAULT_SLEEP_SECONDS and rerun the test.
+EOF
+fi
+
+Exit $fail
-- 
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