1 files changed, 104 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/doc_errors.rs b/src/tools/clippy/tests/ui/doc_errors.rs
new file mode 100644
index 000000000..30fdd3b08
--- /dev/null
+++ b/src/tools/clippy/tests/ui/doc_errors.rs
@@ -0,0 +1,104 @@
+#![warn(clippy::missing_errors_doc)]
+#![allow(clippy::result_unit_err)]
+#![allow(clippy::unnecessary_wraps)]
+
+use std::io;
+
+pub fn pub_fn_missing_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+pub async fn async_pub_fn_missing_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+/// This is not sufficiently documented.
+pub fn pub_fn_returning_io_result() -> io::Result<()> {
+    unimplemented!();
+}
+
+/// This is not sufficiently documented.
+pub async fn async_pub_fn_returning_io_result() -> io::Result<()> {
+    unimplemented!();
+}
+
+/// # Errors
+/// A description of the errors goes here.
+pub fn pub_fn_with_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+/// # Errors
+/// A description of the errors goes here.
+pub async fn async_pub_fn_with_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+/// This function doesn't require the documentation because it is private
+fn priv_fn_missing_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+/// This function doesn't require the documentation because it is private
+async fn async_priv_fn_missing_errors_header() -> Result<(), ()> {
+    unimplemented!();
+}
+
+pub struct Struct1;
+
+impl Struct1 {
+    /// This is not sufficiently documented.
+    pub fn pub_method_missing_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    /// This is not sufficiently documented.
+    pub async fn async_pub_method_missing_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    /// # Errors
+    /// A description of the errors goes here.
+    pub fn pub_method_with_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    /// # Errors
+    /// A description of the errors goes here.
+    pub async fn async_pub_method_with_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    /// This function doesn't require the documentation because it is private.
+    fn priv_method_missing_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    /// This function doesn't require the documentation because it is private.
+    async fn async_priv_method_missing_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+}
+
+pub trait Trait1 {
+    /// This is not sufficiently documented.
+    fn trait_method_missing_errors_header() -> Result<(), ()>;
+
+    /// # Errors
+    /// A description of the errors goes here.
+    fn trait_method_with_errors_header() -> Result<(), ()>;
+}
+
+impl Trait1 for Struct1 {
+    fn trait_method_missing_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+
+    fn trait_method_with_errors_header() -> Result<(), ()> {
+        unimplemented!();
+    }
+}
+
+fn main() -> Result<(), ()> {
+    Ok(())
+}