From 2651f8c14748bf4598841471329ca260f5860ec0 Mon Sep 17 00:00:00 2001
From: Aaron Turon <aturon@mozilla.com>
Date: Mon, 22 Feb 2016 22:46:45 -0800
Subject: [PATCH] Add regression tests from initial implementation review

---
 .../run-pass/specialization-out-of-order.rs   | 27 ++++++++++++++++++
 .../specialization-projection-alias.rs        | 28 +++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 src/test/run-pass/specialization-out-of-order.rs
 create mode 100644 src/test/run-pass/specialization-projection-alias.rs

diff --git a/src/test/run-pass/specialization-out-of-order.rs b/src/test/run-pass/specialization-out-of-order.rs
new file mode 100644
index 0000000000000..2d293f494a347
--- /dev/null
+++ b/src/test/run-pass/specialization-out-of-order.rs
@@ -0,0 +1,27 @@
+// Copyright 2016 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 that you can list the more specific impl before the more general one.
+
+#![feature(specialization)]
+
+trait Foo {
+    type Out;
+}
+
+impl Foo for bool {
+    type Out = ();
+}
+
+impl<T> Foo for T {
+    default type Out = bool;
+}
+
+fn main() {}
diff --git a/src/test/run-pass/specialization-projection-alias.rs b/src/test/run-pass/specialization-projection-alias.rs
new file mode 100644
index 0000000000000..2250d77e08e8e
--- /dev/null
+++ b/src/test/run-pass/specialization-projection-alias.rs
@@ -0,0 +1,28 @@
+// Copyright 2016 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.
+
+#![feature(specialization)]
+
+// Regression test for ICE when combining specialized associated types and type
+// aliases
+
+trait Id_ {
+    type Out;
+}
+
+type Id<T> = <T as Id_>::Out;
+
+impl<T> Id_ for T {
+    default type Out = T;
+}
+
+fn main() {
+    let x: Id<bool> = panic!();
+}