Add tests for invalid files generation

tests/rustdoc/files-creation-hidden.rs

@@ -0,0 +1,23 @@
+#![crate_name="foo"]
+
+// @!has "foo/struct.Foo.html"
+#[doc(hidden)]
+pub struct Foo;
+
+// @!has "foo/struct.Bar.html"
+pub use crate::Foo as Bar;
+
+// @!has "foo/struct.Baz.html"
+#[doc(hidden)]
+pub use crate::Foo as Baz;
+
+// @!has "foo/foo/index.html"
+#[doc(hidden)]
+pub mod foo {}
+
+// @!has "foo/bar/index.html"
+pub use crate::foo as bar;
+
+// @!has "foo/baz/index.html"
+#[doc(hidden)]
+pub use crate::foo as baz;

tests/rustdoc/files-creation-private.rs

@@ -0,0 +1,18 @@
+#![crate_name="foo"]
+
+// @!has "foo/priv/index.html"
+// @!has "foo/priv/struct.Foo.html"
+mod private {
+    pub struct Foo;
+}
+
+// @has "foo/struct.Bar.html"
+pub use crate::private::Foo as Bar;
+
+// @!has "foo/foo/index.html"
+mod foo {
+    pub mod subfoo {}
+}
+
+// @has "foo/bar/index.html"
+pub use crate::foo::subfoo as bar;

tests/rustdoc/issue-111064-reexport-trait-from-hidden-2.rs

@@ -3,10 +3,10 @@
 #![crate_name = "foo"]
 
 // @!has 'foo/hidden/index.html'
-// FIXME: add missing `@` for the two next tests once issue is fixed!
+// @!has 'foo/hidden/inner/index.html'
-// To be done in <https://github.com/rust-lang/rust/issues/111249>.
+// FIXME: Should be `@!has`: https://github.com/rust-lang/rust/issues/111249
-// !has 'foo/hidden/inner/index.html'
+// @has 'foo/hidden/inner/trait.Foo.html'
-// !has 'foo/hidden/inner/trait.Foo.html'
+// @matchesraw - '<meta http-equiv="refresh" content="0;URL=../../../foo/visible/trait.Foo.html">'
 #[doc(hidden)]
 pub mod hidden {
     pub mod inner {

tests/rustdoc/issue-111249-file-creation.rs

@@ -0,0 +1,34 @@
+#![crate_name = "foo"]
+#![feature(no_core)]
+#![no_core]
+
+// The following five should not fail!
+// @!has 'foo/hidden/index.html'
+// @!has 'foo/hidden/inner/index.html'
+// FIXME: Should be `@!has`: https://github.com/rust-lang/rust/issues/111249
+// @has 'foo/hidden/inner/trait.Foo.html'
+// @matchesraw - '<meta http-equiv="refresh" content="0;URL=../../../foo/visible/trait.Foo.html">'
+// @!has 'foo/hidden/inner/inner_hidden/index.html'
+// @!has 'foo/hidden/inner/inner_hidden/trait.HiddenFoo.html'
+#[doc(hidden)]
+pub mod hidden {
+    pub mod inner {
+        pub trait Foo {}
+
+        #[doc(hidden)]
+        pub mod inner_hidden {
+            pub trait HiddenFoo {}
+        }
+    }
+}
+
+// @has 'foo/visible/index.html'
+// @has 'foo/visible/trait.Foo.html'
+#[doc(inline)]
+pub use hidden::inner as visible;
+
+// @has 'foo/struct.Bar.html'
+// @count - '//*[@id="impl-Foo-for-Bar"]' 1
+pub struct Bar;
+
+impl visible::Foo for Bar {}

tests/rustdoc/redirect.rs

@@ -10,7 +10,9 @@ pub trait Foo {}
 // @has - '//code' 'pub use reexp_stripped::Bar'
 // @has - '//code/a' 'Bar'
 // @has - '//a[@href="../reexp_stripped/hidden/struct.Bar.html"]' 'Bar'
+// FIXME: Should be `@!has`: https://github.com/rust-lang/rust/issues/111249
 // @has reexp_stripped/hidden/struct.Bar.html
+// @matchesraw - '<meta http-equiv="refresh" content="0;URL=../../reexp_stripped/struct.Bar.html">'
 // @has 'reexp_stripped/struct.Bar.html'
 // @has - '//a[@href="struct.Bar.html"]' 'Bar'
 #[doc(no_inline)]