Adding upstream version 5.1.upstream/5.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/posixexp4.sub b/tests/posixexp4.sub
new file mode 100644
index 0000000..9d48b2f
--- /dev/null
+++ b/tests/posixexp4.sub
@@ -0,0 +1,44 @@
+#   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/>.
+#
+set -- ' abc' 'def ghi' 'jkl '
+
+echo normal IFS
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}
+
+echo null IFS
+IFS=
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}
+
+echo non-standard IFS
+IFS=:
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}	# this is inconsistent
+
+echo unset IFS
+recho $@
+: ${var=$@}
+recho $var
+unset -v var
+recho ${var-$@}