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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 17:31:02 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 17:31:02 +0000
commitbb12c1fd00eb51118749bbbc69c5596835fcbd3b (patch)
tree88038a98bd31c1b765f3390767a2ec12e37c79ec /deps/lua/test/readonly.lua
parentInitial commit. (diff)
downloadredis-upstream.tar.xz
redis-upstream.zip
Adding upstream version 5:7.0.15.upstream/5%7.0.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'deps/lua/test/readonly.lua')
-rw-r--r--deps/lua/test/readonly.lua12
1 files changed, 12 insertions, 0 deletions
diff --git a/deps/lua/test/readonly.lua b/deps/lua/test/readonly.lua
new file mode 100644
index 0000000..85c0b4e
--- /dev/null
+++ b/deps/lua/test/readonly.lua
@@ -0,0 +1,12 @@
+-- make global variables readonly
+
+local f=function (t,i) error("cannot redefine global variable `"..i.."'",2) end
+local g={}
+local G=getfenv()
+setmetatable(g,{__index=G,__newindex=f})
+setfenv(1,g)
+
+-- an example
+rawset(g,"x",3)
+x=2
+y=1 -- cannot redefine `y'