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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/nameref19.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/nameref19.sub')
-rw-r--r-- | tests/nameref19.sub | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/nameref19.sub b/tests/nameref19.sub new file mode 100644 index 0000000..d46c003 --- /dev/null +++ b/tests/nameref19.sub @@ -0,0 +1,51 @@ +# can we unset the nameref attribute on variables with values that reference +# unset variables? + +unset bar +declare -n foo="bar" +declare -p foo + +declare +n foo +declare -p foo bar + +declare -n foo +declare -p foo + +# let's try removing the nameref attribute -- other attributes and assignments +# apply to the nameref target + +declare +n -i foo=7+4 +declare -p foo bar + +unset foo bar + +# but if the nameref variable doesn't have a value, the attributes apply to +# the nameref variable itself. thanks ksh93 + +declare -n foo6 +declare -xi foo6 +declare -p foo6 + +# and when we remove the nameref attribute, the other attributes remain + +declare +n foo6 +declare -p foo6 + +unset foo6 + +# make sure these cases continue to work + +# nameref referencing an existing, set variable +declare -n foo=bar +bar='Hello World!' +declare -p foo bar +declare +n foo +declare -p foo bar +unset foo bar + +# nameref referencing an existing, unset variable +declare -n foo=bar +declare bar +declare -p foo bar +declare +n foo +declare -p foo bar |