1 files changed, 34 insertions, 0 deletions
diff --git a/tests/exp13.sub b/tests/exp13.sub
new file mode 100644
index 0000000..80e1463
--- /dev/null
+++ b/tests/exp13.sub
@@ -0,0 +1,34 @@
+#   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/>.
+#
+unset a
+
+echo ${a:=foo}
+declare -p a
+
+unset a
+
+declare -i a
+echo ${a:=4+3}
+declare -p a
+
+unset a
+echo ${a:=42}
+declare -p a
+
+unset a
+declare -u A
+A=
+echo ${A:=foo}
+
+declare -p A