1 files changed, 55 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/overloaded/overloaded-index-in-field.rs b/src/test/ui/run-pass/overloaded/overloaded-index-in-field.rs
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+++ b/src/test/ui/run-pass/overloaded/overloaded-index-in-field.rs
@@ -0,0 +1,55 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test using overloaded indexing when the "map" is stored in a
+// field. This caused problems at some point.
+
+use std::ops::Index;
+
+struct Foo {
+    x: isize,
+    y: isize,
+}
+
+struct Bar {
+    foo: Foo
+}
+
+impl Index<isize> for Foo {
+    type Output = isize;
+
+    fn index(&self, z: isize) -> &isize {
+        if z == 0 {
+            &self.x
+        } else {
+            &self.y
+        }
+    }
+}
+
+trait Int {
+    fn get(self) -> isize;
+    fn get_from_ref(&self) -> isize;
+    fn inc(&mut self);
+}
+
+impl Int for isize {
+    fn get(self) -> isize { self }
+    fn get_from_ref(&self) -> isize { *self }
+    fn inc(&mut self) { *self += 1; }
+}
+
+fn main() {
+    let f = Bar { foo: Foo {
+        x: 1,
+        y: 2,
+    } };
+    assert_eq!(f.foo[1].get(), 2);
+}