blob: 18bde65e5c663ea8f69bdf7310022ed0e807456c [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.
// @dart = 2.9
import "package:expect/expect.dart";
class A {}
class B extends A {}
class C {
B b;
C(A a) : b = a;
}
void main() {
A a1 = new B();
A a2 = new A();
new C(a1); // No error
Expect.throwsTypeError(() {
new C(a2);
});
}