1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/argument-suggestions/exotic-calls.rs b/tests/ui/argument-suggestions/exotic-calls.rs
new file mode 100644
index 000000000..569a39a2b
--- /dev/null
+++ b/tests/ui/argument-suggestions/exotic-calls.rs
@@ -0,0 +1,26 @@
+fn foo<T: Fn()>(t: T) {
+    t(1i32);
+    //~^ ERROR function takes 0 arguments but 1 argument was supplied
+}
+
+fn bar(t: impl Fn()) {
+    t(1i32);
+    //~^ ERROR function takes 0 arguments but 1 argument was supplied
+}
+
+fn baz() -> impl Fn() {
+    || {}
+}
+
+fn baz2() {
+    baz()(1i32)
+    //~^ ERROR function takes 0 arguments but 1 argument was supplied
+}
+
+fn qux() {
+    let x = || {};
+    x(1i32);
+    //~^ ERROR function takes 0 arguments but 1 argument was supplied
+}
+
+fn main() {}