1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/ui/overloaded/overloaded-deref.rs b/src/test/ui/overloaded/overloaded-deref.rs
new file mode 100644
index 000000000..73d8232a3
--- /dev/null
+++ b/src/test/ui/overloaded/overloaded-deref.rs
@@ -0,0 +1,43 @@
+// run-pass
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::string::String;
+
+#[derive(PartialEq, Debug)]
+struct Point {
+    x: isize,
+    y: isize
+}
+
+pub fn main() {
+    assert_eq!(*Rc::new(5), 5);
+    assert_eq!(***Rc::new(Box::new(Box::new(5))), 5);
+    assert_eq!(*Rc::new(Point {x: 2, y: 4}), Point {x: 2, y: 4});
+
+    let i = Rc::new(RefCell::new(2));
+    let i_value = *(*i).borrow();
+    *(*i).borrow_mut() = 5;
+    assert_eq!((i_value, *(*i).borrow()), (2, 5));
+
+    let s = Rc::new("foo".to_string());
+    assert_eq!(*s, "foo".to_string());
+    assert_eq!((*s), "foo");
+
+    let mut_s = Rc::new(RefCell::new(String::from("foo")));
+    (*(*mut_s).borrow_mut()).push_str("bar");
+    // assert_eq! would panic here because it stores the LHS and RHS in two locals.
+    assert_eq!((*(*mut_s).borrow()), "foobar");
+    assert_eq!((*(*mut_s).borrow_mut()), "foobar");
+
+    let p = Rc::new(RefCell::new(Point {x: 1, y: 2}));
+    (*(*p).borrow_mut()).x = 3;
+    (*(*p).borrow_mut()).y += 3;
+    assert_eq!(*(*p).borrow(), Point {x: 3, y: 5});
+
+    let v = Rc::new(RefCell::new(vec![1, 2, 3]));
+    (*(*v).borrow_mut())[0] = 3;
+    (*(*v).borrow_mut())[1] += 3;
+    assert_eq!(((*(*v).borrow())[0],
+                (*(*v).borrow())[1],
+                (*(*v).borrow())[2]), (3, 5, 3));
+}