dart-sdk/tests/language_2/regress_30927_test.dart
Terry Lucas dfa7916418 Migrated block 148 to Dart 2.0
R=bkonyi@google.com

Change-Id: I2f455fd681b66c43cbcd873f3d3d278a5ff5c843
Reviewed-on: https://dart-review.googlesource.com/12762
Commit-Queue: Terry Lucas <terry@google.com>
Reviewed-by: Terry Lucas <terry@google.com>
2017-10-13 04:27:03 +00:00

26 lines
658 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.
import 'package:expect/expect.dart';
class B {
m(int v) => v + 42;
}
abstract class C extends B {
m(Object v);
}
class D extends C {
m(Object v) => 'hi $v!';
}
/// Regression test for https://github.com/dart-lang/sdk/issues/30927, DDC used
/// to use the incorrect signature for D.m.
main() {
dynamic d = new D();
// Make sure we dispatch using the type signature for D.m, not B.m
Expect.equals(d.m('world'), 'hi world!');
}