Adding upstream version 5.0.upstream/5.0upstream

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

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/nameref16.sub b/tests/nameref16.sub
new file mode 100644
index 0000000..75c7ba1
--- /dev/null
+++ b/tests/nameref16.sub
@@ -0,0 +1,44 @@
+# post-bash-4.3 changes for more ksh93 compatibility when following nameref
+# chains and using typeset/declare -n to operate on nameref variables rather
+# than the variables they reference
+
+# don't follow nameref chain when using declare -n and at the global scope
+unset -n r1 r2
+
+typeset -n r1=r2
+typeset -n r2=x
+typeset -n r1=y
+
+typeset -p r1 r2 x y
+
+# same behavior when in a shell function
+foo()
+{
+	typeset -n r1=r2
+	typeset -n r2=x
+	typeset -n r1=y
+
+	typeset -p r1 r2 x y
+}
+unset -n r1 r2
+foo
+unset -f foo
+
+# same behavior when namerefs aren't chained
+unset -n r1 r2
+
+typeset -n r1=z
+typeset -n r2=x
+typeset -n r1=y
+typeset -p r1 r2 x y
+
+# same behavior when referenced variables have values
+unset -n r1 r2
+
+x=one
+y=two
+typeset -n r1=r2
+typeset -n r2=x
+typeset -n r1=y
+
+typeset -p r1 r2 x y