1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/lint/reasons.rs b/src/test/ui/lint/reasons.rs
new file mode 100644
index 000000000..da1c740c4
--- /dev/null
+++ b/src/test/ui/lint/reasons.rs
@@ -0,0 +1,35 @@
+// check-pass
+
+#![feature(lint_reasons)]
+#![warn(elided_lifetimes_in_paths,
+        //~^ NOTE the lint level is defined here
+        reason = "explicit anonymous lifetimes aid reasoning about ownership")]
+#![warn(
+    nonstandard_style,
+    //~^ NOTE the lint level is defined here
+    reason = r#"people shouldn't have to change their usual style habits
+to contribute to our project"#
+)]
+#![allow(unused, reason = "unused code has never killed anypony")]
+
+use std::fmt;
+
+pub struct CheaterDetectionMechanism {}
+
+impl fmt::Debug for CheaterDetectionMechanism {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        //~^ WARN hidden lifetime parameters in types are deprecated
+        //~| NOTE expected lifetime parameter
+        //~| NOTE explicit anonymous lifetimes aid
+        //~| HELP indicate the anonymous lifetime
+        fmt.debug_struct("CheaterDetectionMechanism").finish()
+    }
+}
+
+fn main() {
+    let Social_exchange_psychology = CheaterDetectionMechanism {};
+    //~^ WARN should have a snake case name
+    //~| NOTE #[warn(non_snake_case)]` implied by `#[warn(nonstandard_style)]
+    //~| NOTE people shouldn't have to change their usual style habits
+    //~| HELP convert the identifier to snake case
+}