rustdoc: Stop stripping empty modules

There is no good reason to strip empty modules with no documentation and
doing so causes subtle problems.

2 files changed, 51 insertions, 0 deletions

diff --git a/src/test/rustdoc/empty-mod-private.rs b/src/test/rustdoc/empty-mod-private.rs
new file mode 100644
index 00000000000..6b86af62a66
--- /dev/null
+++ b/src/test/rustdoc/empty-mod-private.rs
@@ -0,0 +1,27 @@
+// 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.
+
+// ignore-tidy-linelength
+// compile-flags: --no-defaults --passes collapse-docs --passes unindent-comments --passes strip-priv-imports
+
+// @has 'empty_mod_private/index.html' '//a[@href="foo/index.html"]' 'foo'
+// @has 'empty_mod_private/sidebar-items.js' 'foo'
+// @matches 'empty_mod_private/foo/index.html' '//h1' 'Module empty_mod_private::foo'
+mod foo {}
+
+// @has 'empty_mod_private/index.html' '//a[@href="bar/index.html"]' 'bar'
+// @has 'empty_mod_private/sidebar-items.js' 'bar'
+// @matches 'empty_mod_private/bar/index.html' '//h1' 'Module empty_mod_private::bar'
+mod bar {
+    // @has 'empty_mod_private/bar/index.html' '//a[@href="baz/index.html"]' 'baz'
+    // @has 'empty_mod_private/bar/sidebar-items.js' 'baz'
+    // @matches 'empty_mod_private/bar/baz/index.html' '//h1' 'Module empty_mod_private::bar::baz'
+    mod baz {}
+}
diff --git a/src/test/rustdoc/empty-mod-public.rs b/src/test/rustdoc/empty-mod-public.rs
new file mode 100644
index 00000000000..413fe161424
--- /dev/null
+++ b/src/test/rustdoc/empty-mod-public.rs
@@ -0,0 +1,24 @@
+// 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.
+
+// @has 'empty_mod_public/index.html' '//a[@href="foo/index.html"]' 'foo'
+// @has 'empty_mod_public/sidebar-items.js' 'foo'
+// @matches 'empty_mod_public/foo/index.html' '//h1' 'Module empty_mod_public::foo'
+pub mod foo {}
+
+// @has 'empty_mod_public/index.html' '//a[@href="bar/index.html"]' 'bar'
+// @has 'empty_mod_public/sidebar-items.js' 'bar'
+// @matches 'empty_mod_public/bar/index.html' '//h1' 'Module empty_mod_public::bar'
+pub mod bar {
+    // @has 'empty_mod_public/bar/index.html' '//a[@href="baz/index.html"]' 'baz'
+    // @has 'empty_mod_public/bar/sidebar-items.js' 'baz'
+    // @matches 'empty_mod_public/bar/baz/index.html' '//h1' 'Module empty_mod_public::bar::baz'
+    pub mod baz {}
+}