1 files changed, 51 insertions, 0 deletions
diff --git a/src/test/run-pass/rfc-2005-default-binding-mode/constref.rs b/src/test/run-pass/rfc-2005-default-binding-mode/constref.rs
new file mode 100644
index 00000000000..1b8fdbaa4d7
--- /dev/null
+++ b/src/test/run-pass/rfc-2005-default-binding-mode/constref.rs
@@ -0,0 +1,51 @@
+// Copyright 2017 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(match_default_bindings)]
+
+const CONST_REF: &[u8; 3] = b"foo";
+
+trait Foo {
+    const CONST_REF_DEFAULT: &'static [u8; 3] = b"bar";
+    const CONST_REF: &'static [u8; 3];
+}
+
+impl Foo for i32 {
+    const CONST_REF: &'static [u8; 3] = b"jjj";
+}
+
+impl Foo for i64 {
+    const CONST_REF_DEFAULT: &'static [u8; 3] = b"ggg";
+    const CONST_REF: &'static [u8; 3] = b"fff";
+}
+
+// Check that (associated and free) const references are not mistaken for a
+// non-reference pattern (in which case they would be auto-dereferenced, making
+// the types mismatched).
+
+fn const_ref() -> bool {
+    let f = b"foo";
+    match f {
+        CONST_REF => true,
+        _ => false,
+    }
+}
+
+fn associated_const_ref() -> bool {
+    match (b"bar", b"jjj", b"ggg", b"fff") {
+        (i32::CONST_REF_DEFAULT, i32::CONST_REF, i64::CONST_REF_DEFAULT, i64::CONST_REF) => true,
+        _ => false,
+    }
+}
+
+pub fn main() {
+    assert!(const_ref());
+    assert!(associated_const_ref());
+}