1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/attributes/rustc_confusables.rs b/tests/ui/attributes/rustc_confusables.rs
new file mode 100644
index 000000000..352e91d06
--- /dev/null
+++ b/tests/ui/attributes/rustc_confusables.rs
@@ -0,0 +1,47 @@
+// aux-build: rustc_confusables_across_crate.rs
+
+#![feature(rustc_attrs)]
+
+extern crate rustc_confusables_across_crate;
+
+use rustc_confusables_across_crate::BTreeSet;
+
+fn main() {
+    // Misspellings (similarly named methods) take precedence over `rustc_confusables`.
+    let x = BTreeSet {};
+    x.inser();
+    //~^ ERROR no method named
+    //~| HELP there is a method with a similar name
+    x.foo();
+    //~^ ERROR no method named
+    x.push();
+    //~^ ERROR no method named
+    //~| HELP you might have meant to use `insert`
+    x.test();
+    //~^ ERROR no method named
+    x.pulled();
+    //~^ ERROR no method named
+    //~| HELP there is a method with a similar name
+}
+
+struct Bar;
+
+impl Bar {
+    #[rustc_confusables()]
+    //~^ ERROR expected at least one confusable name
+    fn baz() {}
+
+    #[rustc_confusables]
+    //~^ ERROR malformed `rustc_confusables` attribute input
+    //~| HELP must be of the form
+    fn qux() {}
+
+    #[rustc_confusables(invalid_meta_item)]
+    //~^ ERROR expected a quoted string literal
+    //~| HELP consider surrounding this with quotes
+    fn quux() {}
+}
+
+#[rustc_confusables("blah")]
+//~^ ERROR attribute should be applied to an inherent method
+fn not_inherent_impl_method() {}