Rollup merge of #55367 - GuillaumeGomez:private-item-doc-test-lint, r=QuietMisdreavus

lint if a private item has doctests

Fixes #55333.

r? @QuietMisdreavus

2 files changed, 36 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/private-item-doc-test.rs b/src/test/rustdoc-ui/private-item-doc-test.rs
new file mode 100644
index 00000000000..5a13fe359f5
--- /dev/null
+++ b/src/test/rustdoc-ui/private-item-doc-test.rs
@@ -0,0 +1,20 @@
+// 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.
+
+#![deny(private_doc_tests)]
+
+mod foo {
+    /// private doc test
+    ///
+    /// ```
+    /// assert!(false);
+    /// ```
+    fn bar() {}
+}
diff --git a/src/test/rustdoc-ui/private-item-doc-test.stderr b/src/test/rustdoc-ui/private-item-doc-test.stderr
new file mode 100644
index 00000000000..b43add7ea50
--- /dev/null
+++ b/src/test/rustdoc-ui/private-item-doc-test.stderr
@@ -0,0 +1,16 @@
+error: Documentation test in private item
+  --> $DIR/private-item-doc-test.rs:14:5
+   |
+LL | /     /// private doc test
+LL | |     ///
+LL | |     /// ```
+LL | |     /// assert!(false);
+LL | |     /// ```
+   | |___________^
+   |
+note: lint level defined here
+  --> $DIR/private-item-doc-test.rs:11:9
+   |
+LL | #![deny(private_doc_tests)]
+   |         ^^^^^^^^^^^^^^^^^
+