Add tests for uniq & by-value self in mut slot.

Author: luqmana

src/test/run-pass/by-value-self-in-mut-slot.rs

@@ -0,0 +1,30 @@
+// Copyright 2013 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.
+
+struct X {
+    a: int
+}
+
+trait Changer {
+    fn change(mut self) -> Self;
+}
+
+impl Changer for X {
+    fn change(mut self) -> X {
+        self.a = 55;
+        self
+    }
+}
+
+pub fn main() {
+    let x = X { a: 32 };
+    let new_x = x.change();
+    assert_eq!(new_x.a, 55);
+}

src/test/run-pass/self-in-mut-slot-default-method.rs

@@ -0,0 +1,43 @@
+// Copyright 2013 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.
+
+struct X {
+    a: int
+}
+
+trait Changer {
+    fn change(mut self) -> Self {
+        self.set_to(55);
+        self
+    }
+
+    fn change_again(mut ~self) -> ~Self {
+        self.set_to(45);
+        self
+    }
+
+    fn set_to(&mut self, a: int);
+}
+
+impl Changer for X {
+    fn set_to(&mut self, a: int) {
+        self.a = a;
+    }
+}
+
+pub fn main() {
+    let x = X { a: 32 };
+    let new_x = x.change();
+    assert_eq!(new_x.a, 55);
+
+    let x = ~new_x;
+    let new_x = x.change_again();
+    assert_eq!(new_x.a, 45);
+}

src/test/run-pass/uniq-self-in-mut-slot.rs

@@ -0,0 +1,30 @@
+// Copyright 2013 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.
+
+struct X {
+    a: int
+}
+
+trait Changer {
+    fn change(mut ~self) -> ~Self;
+}
+
+impl Changer for X {
+    fn change(mut ~self) -> ~X {
+        self.a = 55;
+        self
+    }
+}
+
+pub fn main() {
+    let x = ~X { a: 32 };
+    let new_x = x.change();
+    assert_eq!(new_x.a, 55);
+}