From 00a71ea644bcaa2cea46e4eedea30bb80f3d0e2b Mon Sep 17 00:00:00 2001
From: Andrew Cann <shum@canndrew.org>
Date: Thu, 11 Aug 2016 17:06:39 +0800
Subject: Add tests for ! type

---
 src/test/run-fail/call-fn-never-arg.rs     | 23 +++++++++++++++++++++
 src/test/run-fail/never-associated-type.rs | 32 ++++++++++++++++++++++++++++++
 src/test/run-fail/never-type-arg.rs        | 26 ++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 src/test/run-fail/call-fn-never-arg.rs
 create mode 100644 src/test/run-fail/never-associated-type.rs
 create mode 100644 src/test/run-fail/never-type-arg.rs

(limited to 'src/test/run-fail')

diff --git a/src/test/run-fail/call-fn-never-arg.rs b/src/test/run-fail/call-fn-never-arg.rs
new file mode 100644
index 00000000000..b129f17a437
--- /dev/null
+++ b/src/test/run-fail/call-fn-never-arg.rs
@@ -0,0 +1,23 @@
+// Copyright 2012 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.
+
+// error-pattern:wowzers!
+
+#![feature(never_type)]
+#![allow(unreachable_code)]
+
+fn foo(x: !) -> ! {
+    x
+}
+
+fn main() {
+    foo(panic!("wowzers!"))
+}
+
diff --git a/src/test/run-fail/never-associated-type.rs b/src/test/run-fail/never-associated-type.rs
new file mode 100644
index 00000000000..5fa2dfd3e88
--- /dev/null
+++ b/src/test/run-fail/never-associated-type.rs
@@ -0,0 +1,32 @@
+// Copyright 2012 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(never_type)]
+
+// error-pattern:kapow!
+
+trait Foo {
+    type Wow;
+
+    fn smeg(&self) -> Self::Wow;
+}
+
+struct Blah;
+impl Foo for Blah {
+    type Wow = !;
+    fn smeg(&self) -> ! {
+        panic!("kapow!");
+    }
+}
+
+fn main() {
+    Blah.smeg();
+}
+
diff --git a/src/test/run-fail/never-type-arg.rs b/src/test/run-fail/never-type-arg.rs
new file mode 100644
index 00000000000..7a563127f7f
--- /dev/null
+++ b/src/test/run-fail/never-type-arg.rs
@@ -0,0 +1,26 @@
+// Copyright 2012 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.
+
+// error-pattern:oh no!
+
+#![feature(never_type)]
+
+struct Wub;
+
+impl PartialEq<!> for Wub {
+    fn eq(&self, other: &!) -> bool {
+        *other
+    }
+}
+
+fn main() {
+    let _ = Wub == panic!("oh no!");
+}
+
-- 
cgit 1.4.1-3-g733a5