Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
47 lines
1.1 KiB
Dart
47 lines
1.1 KiB
Dart
// TODO(multitest): This was automatically migrated from a multitest and may
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// contain strange or dead code.
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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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abstract class Interface {
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final x;
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Interface(this.x);
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}
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abstract class Abstract implements Interface {
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String toString() => x.toString();
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}
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// This class does not implement "x" either, but it is not marked
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// abstract.
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// This class does not implement "x", but is itself abstract, so that's OK.
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abstract class SubAbstract2 extends Abstract {
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get x; // Abstract.
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}
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// This class does not implement "x" either, but it is not marked
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// abstract.
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class Concrete extends Abstract {
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get x => 7;
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}
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class SubConcrete extends Concrete {
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final x;
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SubConcrete(this.x);
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}
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void main() {
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Expect.equals('7', new Concrete().toString());
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Expect.equals('42', new SubConcrete(42).toString());
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Expect.equals('7', new SubConcrete(new Concrete()).toString());
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}
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