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-rw-r--r--tests/ui/functions-closures/copy-closure.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/functions-closures/copy-closure.rs b/tests/ui/functions-closures/copy-closure.rs
new file mode 100644
index 00000000000..72da02421b7
--- /dev/null
+++ b/tests/ui/functions-closures/copy-closure.rs
@@ -0,0 +1,16 @@
+// run-pass
+// Check that closures implement `Copy`.
+
+fn call<T, F: FnOnce() -> T>(f: F) -> T { f() }
+
+fn main() {
+    let a = 5;
+    let hello = || {
+        println!("Hello {}", a);
+        a
+    };
+
+    assert_eq!(5, call(hello.clone()));
+    assert_eq!(5, call(hello));
+    assert_eq!(5, call(hello));
+}