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>
35 lines
859 B
Dart
35 lines
859 B
Dart
// 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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class A {
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final x;
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const A(this.x);
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const A.named([this.x]);
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const A.named2([this.x = 2]);
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}
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class B extends A {
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const B(x) : super(x + 10);
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const B.named_() : super.named();
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const B.named(x) : super.named(x + 10);
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const B.named2_() : super.named2();
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const B.named2(x) : super.named2(x + 10);
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}
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const b1 = const B(0);
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const b2 = const B.named_();
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const b3 = const B.named(1);
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const b4 = const B.named2_();
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const b5 = const B.named2(3);
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main() {
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Expect.equals(10, b1.x);
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Expect.equals(null, b2.x);
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Expect.equals(11, b3.x);
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Expect.equals(2, b4.x);
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Expect.equals(13, b5.x);
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}
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