Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
26 lines
471 B
Dart
26 lines
471 B
Dart
// 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 {
|
|
void f(B b) {}
|
|
}
|
|
|
|
main() {
|
|
C c = new C();
|
|
A a1 = new B();
|
|
A a2 = new A();
|
|
c.f(a1); // No error
|
|
Expect.throwsTypeError(() {
|
|
c.f(a2);
|
|
});
|
|
}
|