---

yaml
---
r: 210699
b: refs/heads/try
c: db1b14a
h: refs/heads/master
i:
  210697: c9dde55
  210695: cd4e8db
v: v3

Author: nrc

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 3e561f05c00cd180ec02db4ccab2840a4aba93d2
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
-refs/heads/try: 03d4d5f80ed1d9e168869bdb244e4fef67b7d3d0
+refs/heads/try: db1b14a194cbdbba813aeb4773ee7fa203a40fb1
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/test/run-pass/dst-coerce-custom.rs

@@ -0,0 +1,52 @@
+// Copyright 2015 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 a very simple custom DST coercion.
+
+#![feature(core)]
+
+use std::ops::CoerceUnsized;
+use std::marker::Unsize;
+
+struct Bar<T: ?Sized> {
+    x: *const T,
+}
+
+impl<T: ?Sized+Unsize<U>, U: ?Sized> CoerceUnsized<Bar<U>> for Bar<T> {}
+
+trait Baz {
+    fn get(&self) -> i32;
+}
+
+impl Baz for i32 {
+    fn get(&self) -> i32 {
+        *self
+    }
+}
+
+fn main() {
+    // Arrays.
+    let a: Bar<[i32; 3]> = Bar { x: &[1, 2, 3] };
+    // This is the actual coercion.
+    let b: Bar<[i32]> = a;
+
+    unsafe {
+        assert_eq!((*b.x)[0], 1);
+        assert_eq!((*b.x)[1], 2);
+        assert_eq!((*b.x)[2], 3);
+    }
+
+    // Trait objects.
+    let a: Bar<i32> = Bar { x: &42 };
+    let b: Bar<Baz> = a;
+    unsafe {
+        assert_eq!((*b.x).get(), 42);
+    }
+}

branches/try/src/test/run-pass/dst-coerce-rc.rs

@@ -0,0 +1,39 @@
+// Copyright 2015 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 a very simple custom DST coercion.
+
+#![feature(core)]
+
+use std::rc::Rc;
+
+trait Baz {
+    fn get(&self) -> i32;
+}
+
+impl Baz for i32 {
+    fn get(&self) -> i32 {
+        *self
+    }
+}
+
+fn main() {
+    let a: Rc<[i32; 3]> = Rc::new([1, 2, 3]);
+    let b: Rc<[i32]> = a;
+    assert_eq!(b[0], 1);
+    assert_eq!(b[1], 2);
+    assert_eq!(b[2], 3);
+
+    let a: Rc<i32> = Rc::new(42);
+    let b: Rc<Baz> = a.clone();
+    assert_eq!(b.get(), 42);
+
+    let _c = b.clone();
+}