1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/rustdoc-ui/check-fail.rs b/src/test/rustdoc-ui/check-fail.rs
new file mode 100644
index 000000000..2355d6a3d
--- /dev/null
+++ b/src/test/rustdoc-ui/check-fail.rs
@@ -0,0 +1,21 @@
+// compile-flags: -Z unstable-options --check
+
+#![deny(missing_docs)]
+#![deny(rustdoc::all)]
+
+//! ```rust,testharness
+//~^ ERROR
+//! let x = 12;
+//! ```
+
+pub fn foo() {}
+//~^ ERROR
+//~^^ ERROR
+
+/// hello
+//~^ ERROR
+///
+/// ```rust,testharness
+/// let x = 12;
+/// ```
+pub fn bar() {}