From 9714ac08a5476ccfbbce859d3fb69905a64668e1 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Mon, 4 Jan 2021 15:05:49 +0100
Subject: [PATCH] Add tests for new doc alias check

---
 src/test/rustdoc-ui/doc-alias-same-name.rs     | 4 ++++
 src/test/rustdoc-ui/doc-alias-same-name.stderr | 8 ++++++++
 src/test/ui/doc-alias-same-name.rs             | 4 ++++
 src/test/ui/doc-alias-same-name.stderr         | 8 ++++++++
 4 files changed, 24 insertions(+)
 create mode 100644 src/test/rustdoc-ui/doc-alias-same-name.rs
 create mode 100644 src/test/rustdoc-ui/doc-alias-same-name.stderr
 create mode 100644 src/test/ui/doc-alias-same-name.rs
 create mode 100644 src/test/ui/doc-alias-same-name.stderr

diff --git a/src/test/rustdoc-ui/doc-alias-same-name.rs b/src/test/rustdoc-ui/doc-alias-same-name.rs
new file mode 100644
index 0000000000000..da97c26761862
--- /dev/null
+++ b/src/test/rustdoc-ui/doc-alias-same-name.rs
@@ -0,0 +1,4 @@
+#![crate_type = "lib"]
+
+#[doc(alias = "Foo")] //~ ERROR
+pub struct Foo;
diff --git a/src/test/rustdoc-ui/doc-alias-same-name.stderr b/src/test/rustdoc-ui/doc-alias-same-name.stderr
new file mode 100644
index 0000000000000..5ba09a2eae1c7
--- /dev/null
+++ b/src/test/rustdoc-ui/doc-alias-same-name.stderr
@@ -0,0 +1,8 @@
+error: `#[doc(alias = "...")]` is the same as the item's name
+  --> $DIR/doc-alias-same-name.rs:3:7
+   |
+LL | #[doc(alias = "Foo")]
+   |       ^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
diff --git a/src/test/ui/doc-alias-same-name.rs b/src/test/ui/doc-alias-same-name.rs
new file mode 100644
index 0000000000000..da97c26761862
--- /dev/null
+++ b/src/test/ui/doc-alias-same-name.rs
@@ -0,0 +1,4 @@
+#![crate_type = "lib"]
+
+#[doc(alias = "Foo")] //~ ERROR
+pub struct Foo;
diff --git a/src/test/ui/doc-alias-same-name.stderr b/src/test/ui/doc-alias-same-name.stderr
new file mode 100644
index 0000000000000..5ba09a2eae1c7
--- /dev/null
+++ b/src/test/ui/doc-alias-same-name.stderr
@@ -0,0 +1,8 @@
+error: `#[doc(alias = "...")]` is the same as the item's name
+  --> $DIR/doc-alias-same-name.rs:3:7
+   |
+LL | #[doc(alias = "Foo")]
+   |       ^^^^^^^^^^^^^
+
+error: aborting due to previous error
+