1 files changed, 127 insertions, 0 deletions
diff --git a/tests/nameref15.sub b/tests/nameref15.sub
new file mode 100644
index 0000000..e9a09ee
--- /dev/null
+++ b/tests/nameref15.sub
@@ -0,0 +1,127 @@
+#   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/>.
+#
+f() { local -n a=$1; a=X; }
+
+a=(0); f 'a[0]'
+while [[ -v a ]]; do declare -p a; unset a; done
+
+a=(0); f 'a'
+while [[ -v a ]]; do declare -p a; unset a; done
+
+b=(0); f 'b[0]'
+while [[ -v a ]]; do typeset -p a; unset a; done
+typeset -p b
+
+b=(0); f 'a[0]'
+while [[ -v a ]]; do typeset -p a; unset a; done
+typeset -p b
+
+add_X_echo()
+{
+	typeset -n ref=$1
+	ref+=X
+	echo inside $ref
+}
+
+ref=
+add_X_echo ref
+echo outside "$ref"
+unset ref
+
+# same test, but assigning nameref variable circular reference directly
+xxx_func()
+{
+	typeset -n xxx=xxx
+	xxx=foo
+	declare -p xxx
+	echo $FUNCNAME: inside: xxx = $xxx
+}
+
+xxx=7
+echo before: $xxx
+xxx_func
+echo after: $xxx
+
+unset xxx
+unset -f xxx_func
+
+typeset -n ref=ref
+
+typeset -n ref=re ref+=f
+typeset -p ref
+ref=4
+typeset -p ref re
+
+export ref
+printenv ref
+printenv re
+
+unset ref ; unset -n ref
+unset foo; unset -n foo
+
+typeset -n foo=var[@]
+typeset -p foo
+typeset -n ref=var ref+=[@]
+typeset -p ref
+
+ref=42
+
+typeset -n bar
+bar=var[@]
+typeset -p bar
+bar=7
+
+unset a b
+unset -n a b
+
+typeset -n a=b b
+b=a[1]
+typeset -p a b
+a=foo
+typeset -p a b
+
+unset a
+typeset -n a=b
+declare a=foo
+typeset -p a b
+
+unset n v
+unset -n n v
+
+v=(0 1)
+typeset -n n=v
+unset n[0]
+typeset -p n v
+
+unset -n n
+
+v=(0 1)
+typeset -n n=v
+unset -n n
+typeset -p n v
+
+v=(0 1)
+declare -n n=v[1]
+unset n
+declare -p n v
+
+declare -n xref
+declare -a xref[1]=one
+declare -p xref
+
+unset xref
+declare -n xref
+xref=array
+declare -a xref[1]=one
+declare -p xref