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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /tests/varenv12.sub
parentInitial commit. (diff)
downloadbash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.tar.xz
bash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.zip
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/varenv12.sub')
-rw-r--r--tests/varenv12.sub171
1 files changed, 171 insertions, 0 deletions
diff --git a/tests/varenv12.sub b/tests/varenv12.sub
new file mode 100644
index 0000000..92b3692
--- /dev/null
+++ b/tests/varenv12.sub
@@ -0,0 +1,171 @@
+# 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/>.
+#
+set -o posix
+
+fn() { foo=abc : ; typeset +x foo; printenv|grep ^foo=; }
+
+fn
+unset -v foo
+unset -f fn
+
+func1() {
+ var=1
+ var=2 : # or 'var=2 return', or another special builtin
+ unset -v var
+ echo $FUNCNAME: var = $var
+}
+func2() {
+ func1
+ unset -v var # bug: fails silently
+}
+func1
+echo ${var+"BUG: still set 1"}
+
+unset var
+func2
+echo ${var+"BUG: still set 2"}
+
+unset -v var
+unset -f func1 func2
+
+fn() { foo=abc : ; typeset +x foo; echo -n 'inside: ' ; declare -p foo; }
+fn
+echo outside:
+declare -p foo
+
+unset -v foo
+unset -f fn
+
+func()
+{
+ var=value declare -x var
+ echo -n 'inside: ' ; declare -p var
+}
+
+var=one
+func
+echo -n 'outside: ' ; declare -p var
+
+unset -v var
+unset -f func
+
+# this will probably change behavior; export shouldn't behave like this when
+# not in posix mode and the sequencing is probably wrong in posix mode. since
+# export is a special builtin, the variable assignment should modify the
+# local variable, as if a standalone assignment statement had been executed
+# (posix modifying "the current execution environment") leaving the global
+# variable unchanged. all shells, including bash, modify the local variable;
+# bash was the only one that propagates the value out to the calling
+# environment, but no longer does so.
+
+func()
+{
+ local var=inside
+ var=value export var
+ echo -n 'inside: ' ; declare -p var
+}
+
+var=outside
+func
+echo -n 'outside: ' ; declare -p var
+
+unset -v var
+unset -f func
+
+func()
+{
+ local var=local
+ var=inside :
+ echo -n 'inside: ' ; declare -p var
+}
+
+var=outside
+func
+echo -n 'outside: ' ; declare -p var
+
+unset -v var
+unset -f func
+
+func()
+{
+ echo -n 'inside func: ' ; echo "var=${var-<unset>}"
+}
+
+unset -v var
+var=one :
+echo -n 'outside 1.0: ' ; echo "var=${var-<unset>}"
+
+unset -v var
+var=one eval ':'
+echo -n 'outside 1.1: ' ; echo "var=${var-<unset>}"
+
+unset -v var
+
+var=two func
+echo -n 'outside 2.0: ' ; echo "var=${var-<unset>}"
+var=global
+var=two func
+echo -n 'outside 2.1: ' ; echo "var=${var-<unset>}"
+
+unset -v var
+unset -f func
+
+func1()
+{
+ var=value export var
+ echo -n 'inside func1: ' ; echo "var=${var-<unset>}"
+}
+
+var=outside
+func1
+echo -n 'outside 3.0: ' ; echo "var=${var-<unset>}"
+
+unset -v var
+unset -f func1
+
+func2()
+{
+ local var=local
+ var=global :
+ echo -n 'inside func2: ' ; echo "var=${var-<unset>}"
+}
+
+var=outside
+func2
+echo -n 'outside 4.0: ' ; echo "var=${var-<unset>}"
+
+unset -v var
+unset -f fecho foo bar
+
+fecho() {
+ echo $var
+}
+
+foo() {
+ local var="foo: bye bye"
+ var="foo: hello world" fecho
+}
+
+bar() {
+ var="bar: hello world" fecho
+}
+
+var=global
+var=outside foo
+echo after foo: var=$var
+var=global
+var=outside bar
+echo after bar: var=$var
+
+unset -v var