Robert Nystrom
d839eb7bf9
Change-Id: I4501e9a9d2d958cecf21460b628d2ac50a5135bc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149492 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
42 lines
1.0 KiB
Dart
42 lines
1.0 KiB
Dart
// Copyright (c) 2015, 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 B {
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// 'super' resolves to Object, and in some tests, multiple points in the
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// inheritance chain.
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toString() => 'B(' + super.toString() + ')';
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}
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class R {
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toString() => 'R[' + super.toString() + ']';
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}
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class D extends R with B {
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toString() => 'D<' + super.toString() + '>';
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}
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class E extends D with B {
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toString() => 'E{' + super.toString() + '}';
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}
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class F = R with B, B;
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class G extends F with B {
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toString() => 'G{' + super.toString() + '}';
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}
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main() {
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check(object, String expected) {
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Expect.equals(expected, object.toString());
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}
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check(B(), "B(Instance of '$B')");
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check(R(), "R[Instance of '$R']");
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check(D(), "D<B(R[Instance of '$D'])>");
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check(E(), "E{B(D<B(R[Instance of '$E'])>)}");
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check(G(), "G{B(B(B(R[Instance of '$G'])))}");
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}
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