1 files changed, 96 insertions, 0 deletions
diff --git a/tests/ui/span/missing-unit-argument.stderr b/tests/ui/span/missing-unit-argument.stderr
new file mode 100644
index 000000000..ef4d732b5
--- /dev/null
+++ b/tests/ui/span/missing-unit-argument.stderr
@@ -0,0 +1,96 @@
+error[E0061]: this enum variant takes 1 argument but 0 arguments were supplied
+  --> $DIR/missing-unit-argument.rs:11:33
+   |
+LL |     let _: Result<(), String> = Ok();
+   |                                 ^^-- an argument of type `()` is missing
+   |
+note: tuple variant defined here
+  --> $SRC_DIR/core/src/result.rs:LL:COL
+help: provide the argument
+   |
+LL |     let _: Result<(), String> = Ok(());
+   |                                   ~~~~
+
+error[E0061]: this function takes 2 arguments but 0 arguments were supplied
+  --> $DIR/missing-unit-argument.rs:12:5
+   |
+LL |     foo();
+   |     ^^^-- two arguments of type `()` and `()` are missing
+   |
+note: function defined here
+  --> $DIR/missing-unit-argument.rs:1:4
+   |
+LL | fn foo(():(), ():()) {}
+   |    ^^^ -----  -----
+help: provide the arguments
+   |
+LL |     foo((), ());
+   |        ~~~~~~~~
+
+error[E0061]: this function takes 2 arguments but 1 argument was supplied
+  --> $DIR/missing-unit-argument.rs:13:5
+   |
+LL |     foo(());
+   |     ^^^---- an argument of type `()` is missing
+   |
+note: function defined here
+  --> $DIR/missing-unit-argument.rs:1:4
+   |
+LL | fn foo(():(), ():()) {}
+   |    ^^^ -----  -----
+help: provide the argument
+   |
+LL |     foo((), ());
+   |        ~~~~~~~~
+
+error[E0061]: this function takes 1 argument but 0 arguments were supplied
+  --> $DIR/missing-unit-argument.rs:14:5
+   |
+LL |     bar();
+   |     ^^^-- an argument of type `()` is missing
+   |
+note: function defined here
+  --> $DIR/missing-unit-argument.rs:2:4
+   |
+LL | fn bar(():()) {}
+   |    ^^^ -----
+help: provide the argument
+   |
+LL |     bar(());
+   |        ~~~~
+
+error[E0061]: this method takes 1 argument but 0 arguments were supplied
+  --> $DIR/missing-unit-argument.rs:15:7
+   |
+LL |     S.baz();
+   |       ^^^-- an argument of type `()` is missing
+   |
+note: associated function defined here
+  --> $DIR/missing-unit-argument.rs:6:8
+   |
+LL |     fn baz(self, (): ()) { }
+   |        ^^^       ------
+help: provide the argument
+   |
+LL |     S.baz(());
+   |          ~~~~
+
+error[E0061]: this method takes 1 argument but 0 arguments were supplied
+  --> $DIR/missing-unit-argument.rs:16:7
+   |
+LL |     S.generic::<()>();
+   |       ^^^^^^^^^^^^^-- an argument of type `()` is missing
+   |
+note: associated function defined here
+  --> $DIR/missing-unit-argument.rs:7:8
+   |
+LL |     fn generic<T>(self, _: T) { }
+   |        ^^^^^^^          ----
+help: provide the argument
+   |
+LL |     S.generic::<()>(());
+   |                    ~~~~
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0061`.