test calling Box<dyn FnOnce>

RalfJung · RalfJung · commit 3f552fea2698 · 2019-04-07T20:06:22.000+02:00
diff --git a/tests/run-pass/closures.rs b/tests/run-pass/closures.rs
@@ -40,9 +40,14 @@ fn fn_once_closure_with_multiple_args() -> i64 {
     }
 }
 
+fn boxed(f: Box<dyn FnOnce() -> i32>) -> i32 {
+    f()
+}
+
 fn main() {
     assert_eq!(simple(), 12);
     assert_eq!(crazy_closure(), (84, 10, 10));
     assert_eq!(closure_arg_adjustment_problem(), 3);
     assert_eq!(fn_once_closure_with_multiple_args(), 6);
+    assert_eq!(boxed(Box::new({let x = 13; move || x})), 13);
 }

Original file line number	Diff line number	Diff line change
`@@ -40,9 +40,14 @@ fn fn_once_closure_with_multiple_args() -> i64 {`
`40`	`40`	`}`
`41`	`41`	`}`
`42`	`42`
	`43`	`+fn boxed(f: Box<dyn FnOnce() -> i32>) -> i32 {`
	`44`	`+ f()`
	`45`	`+}`
	`46`	`+`
`43`	`47`	`fn main() {`
`44`	`48`	`assert_eq!(simple(), 12);`
`45`	`49`	`assert_eq!(crazy_closure(), (84, 10, 10));`
`46`	`50`	`assert_eq!(closure_arg_adjustment_problem(), 3);`
`47`	`51`	`assert_eq!(fn_once_closure_with_multiple_args(), 6);`
	`52`	`+ assert_eq!(boxed(Box::new({let x = 13; move \|\| x})), 13);`
`48`	`53`	`}`