blob: 8b7f72683dc0b05772d5ee0dea90964be8868f2b [file] [log] [blame]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import "package:expect/expect.dart";
class A {}
class B extends A {}
class C {
void f(B b) {}
main() {
C c = new C();
A a1 = new B();
A a2 = new A();
c?.f(a1); // No error
Expect.throwsTypeError(() {