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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 18:33:23 +0000 |
commit | 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 (patch) | |
tree | 314a15dd1aa103da13bdc83ba1d2105a290bc5ba /tests/nameref3.sub | |
parent | Initial commit. (diff) | |
download | bash-89791e9f494bebe33a9c52292a98f4f079926078.tar.xz bash-89791e9f494bebe33a9c52292a98f4f079926078.zip |
Adding upstream version 5.0.upstream/5.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/nameref3.sub')
-rw-r--r-- | tests/nameref3.sub | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/nameref3.sub b/tests/nameref3.sub new file mode 100644 index 0000000..5790291 --- /dev/null +++ b/tests/nameref3.sub @@ -0,0 +1,37 @@ +# nameref requires changes to unset +bar=one +typeset -n foo=bar + +# normal unset unsets only variable nameref references +# need unset -n to unset nameref itself +unset foo +echo "expect <unset>" +recho ${bar-unset} +echo "expect <unset>" +recho ${foo-unset} +echo "expect <bar>" +recho ${!foo} +unset -n foo +echo "expect <unset>" +recho "${!foo-unset}" + +readonly bar=two +typeset -n foo=bar + +unset foo # this should fail because bar is readonly + +echo "expect <two>" +echo ${bar-unset} +echo "expect <two>" +echo ${foo-unset} + +# one question is what happens when you unset the underlying variable +qux=three +typeset -n ref +ref=qux + +echo $ref +unset qux +echo ${ref-unset} +qux=four +echo ${ref-unset} |