Add alias tests

src/test/rustdoc-js/alias-1.js

@@ -0,0 +1,17 @@
+// Copyright 2018 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.
+
+const QUERY = '&';
+
+const EXPECTED = {
+    'others': [
+        { 'path': 'std', 'name': 'reference' },
+    ],
+};

src/test/rustdoc-js/alias-2.js

@@ -0,0 +1,18 @@
+// Copyright 2018 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.
+
+const QUERY = '+';
+
+const EXPECTED = {
+    'others': [
+        { 'path': 'std::ops::AddAssign', 'name': 'AddAssign' },
+        { 'path': 'std::ops::Add', 'name': 'Add' },
+    ],
+};

src/test/rustdoc-js/alias-3.js

@@ -0,0 +1,17 @@
+// Copyright 2018 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.
+
+const QUERY = '!';
+
+const EXPECTED = {
+    'others': [
+        { 'path': 'std', 'name': 'never' },
+    ],
+};

src/test/rustdoc-js/alias.js

@@ -0,0 +1,19 @@
+// Copyright 2018 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.
+
+const QUERY = '[';
+
+const EXPECTED = {
+    'others': [
+        { 'path': 'std', 'name': 'slice' },
+        { 'path': 'std::ops::IndexMut', 'name': 'IndexMut' },
+        { 'path': 'std::ops::Index', 'name': 'Index' },
+    ],
+};

src/test/ui/feature-gate-doc_alias.rs

@@ -0,0 +1,14 @@
+// Copyright 2018 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.
+
+#[doc(alias = "foo")] //~ ERROR: #[doc(alias = "...")] is experimental
+pub struct Foo;
+
+fn main() {}

src/test/ui/feature-gate-doc_alias.stderr

@@ -0,0 +1,11 @@
+error[E0658]: #[doc(alias = "...")] is experimental
+  --> $DIR/feature-gate-doc_alias.rs:11:1
+   |
+LL | #[doc(alias = "foo")] //~ ERROR: #[doc(alias = "...")] is experimental
+   | ^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(doc_alias)] to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.