Update rustdoc tests

Author: GuillaumeGomez

tests/rustdoc-ui/cfg-hide-show-conflict.rs

@@ -0,0 +1,2 @@
+#![doc(auto_cfg(hide(target_os = "linux")))]
+#![doc(auto_cfg(show(windows, target_os = "linux")))] //~ ERROR

tests/rustdoc-ui/cfg-hide-show-conflict.stderr

@@ -0,0 +1,14 @@
+error: same `cfg` was in `auto_cfg(hide(...))` and `auto_cfg(show(...))` on the same item
+  --> $DIR/cfg-hide-show-conflict.rs:2:31
+   |
+LL | #![doc(auto_cfg(show(windows, target_os = "linux")))]
+   |                               ^^^^^^^^^^^^^^^^^^^
+   |
+note: first change was here
+  --> $DIR/cfg-hide-show-conflict.rs:1:22
+   |
+LL | #![doc(auto_cfg(hide(target_os = "linux")))]
+   |                      ^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 1 previous error
+

tests/rustdoc-ui/invalid-cfg.rs

@@ -1,4 +1,4 @@
 #![feature(doc_cfg)]
 #[doc(cfg = "x")] //~ ERROR not followed by parentheses
 #[doc(cfg(x, y))] //~ ERROR multiple `cfg` predicates
-struct S {}
+pub struct S {}

tests/rustdoc-ui/lints/doc_cfg_hide.rs

@@ -1,7 +1,2 @@
-#![feature(doc_cfg_hide)]
-
-#![doc(cfg_hide = "test")] //~ ERROR
-#![doc(cfg_hide)] //~ ERROR
-
-#[doc(cfg_hide(doc))] //~ ERROR
-pub fn foo() {}
+#![doc(auto_cfg(hide = "test"))] //~ ERROR
+#![doc(auto_cfg(hide))] //~ ERROR

tests/rustdoc-ui/lints/doc_cfg_hide.stderr

@@ -1,27 +1,16 @@
-error: this attribute can only be applied at the crate level
-  --> $DIR/doc_cfg_hide.rs:6:7
+error: `#![doc(auto_cfg(hide(...)))]` only expects a list of items
+  --> $DIR/doc_cfg_hide.rs:1:8
    |
-LL | #[doc(cfg_hide(doc))]
-   |       ^^^^^^^^^^^^^
+LL | #![doc(auto_cfg(hide = "test"))]
+   |        ^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
    = note: `#[deny(invalid_doc_attributes)]` on by default
-help: to apply to the crate, use an inner attribute
-   |
-LL | #![doc(cfg_hide(doc))]
-   |  +
-
-error: `#[doc(cfg_hide(...))]` takes a list of attributes
-  --> $DIR/doc_cfg_hide.rs:3:8
-   |
-LL | #![doc(cfg_hide = "test")]
-   |        ^^^^^^^^^^^^^^^^^
 
-error: `#[doc(cfg_hide(...))]` takes a list of attributes
-  --> $DIR/doc_cfg_hide.rs:4:8
+error: `#![doc(auto_cfg(hide(...)))]` only expects a list of items
+  --> $DIR/doc_cfg_hide.rs:2:8
    |
-LL | #![doc(cfg_hide)]
-   |        ^^^^^^^^
+LL | #![doc(auto_cfg(hide))]
+   |        ^^^^^^^^^^^^^^
 
-error: aborting due to 3 previous errors
+error: aborting due to 2 previous errors
 

tests/rustdoc/doc-cfg-hide.rs

@@ -1,7 +1,7 @@
 #![crate_name = "oud"]
-#![feature(doc_auto_cfg, doc_cfg, doc_cfg_hide)]
+#![feature(doc_auto_cfg, doc_cfg, doc_cfg_hide, no_core)]
 
-#![doc(cfg_hide(feature = "solecism"))]
+#![doc(auto_cfg(hide(feature = "solecism")))]
 
 //@ has 'oud/struct.Solecism.html'
 //@ count   - '//*[@class="stab portability"]' 0

tests/rustdoc/doc-cfg-implicit-gate.rs

@@ -2,6 +2,6 @@
 #![crate_name = "xenogenous"]
 
 //@ has 'xenogenous/struct.Worricow.html'
-//@ count   - '//*[@class="stab portability"]' 0
+//@ count   - '//*[@class="stab portability"]' 1
 #[cfg(feature = "worricow")]
 pub struct Worricow;

tests/rustdoc/doc_auto_cfg_reexports.rs

@@ -0,0 +1,21 @@
+// Checks that `cfg` are correctly applied on inlined reexports.
+
+#![crate_name = "foo"]
+
+// Check with `std` item.
+//@ has 'foo/index.html' '//*[@class="stab portability"]' 'Non-moustache'
+//@ has 'foo/struct.C.html' '//*[@class="stab portability"]' \
+//      'Available on non-crate feature moustache only.'
+#[cfg(not(feature = "moustache"))]
+pub use std::cell::RefCell as C;
+
+// Check with local item.
+mod x {
+    pub struct B;
+}
+
+//@ has 'foo/index.html' '//*[@class="stab portability"]' 'Non-pistache'
+//@ has 'foo/struct.B.html' '//*[@class="stab portability"]' \
+//      'Available on non-crate feature pistache only.'
+#[cfg(not(feature = "pistache"))]
+pub use crate::x::B;