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authorkyren <kerriganw@gmail.com>2018-09-16 19:54:58 -0400
committerkyren <kerriganw@gmail.com>2018-09-16 19:54:58 -0400
commit4a587ca1c598b0afa3ac74972fb6fcea3788493d (patch)
treec431cc47fc2605a2300a67719bcffcb42ef5b532
parent7eb71fb1dfa6bbca9792537baadbca30b438b77a (diff)
downloadmlua-4a587ca1c598b0afa3ac74972fb6fcea3788493d.zip
Add compilefail test for Scope::create_nonstatic_userdata
-rw-r--r--tests/compile-fail/scope_userdata_borrow.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/compile-fail/scope_userdata_borrow.rs b/tests/compile-fail/scope_userdata_borrow.rs
new file mode 100644
index 0000000..7d94e04
--- /dev/null
+++ b/tests/compile-fail/scope_userdata_borrow.rs
@@ -0,0 +1,24 @@
+extern crate rlua;
+
+use rlua::*;
+
+fn main() {
+ let lua = Lua::new();
+ let globals = lua.globals();
+
+ // Should not allow userdata borrow to outlive lifetime of AnyUserData handle
+ struct MyUserData<'a>(&'a i32);
+ impl<'a> UserData for MyUserData<'a> {};
+
+ let igood = 1;
+
+ let lua = Lua::new();
+ lua.scope(|scope| {
+ let ugood = scope.create_nonstatic_userdata(MyUserData(&igood)).unwrap();
+ let ubad = {
+ let ibad = 42;
+ scope.create_nonstatic_userdata(MyUserData(&ibad)).unwrap();
+ //~^ error: `ibad` does not live long enough
+ };
+ });
+}