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>
104 lines
2.2 KiB
Dart
104 lines
2.2 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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import "inheritance_chain_lib.dart";
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class A extends B {
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get id => "A";
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get length => 1;
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}
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class C extends D {
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get id => "C";
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get length => 3;
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}
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class X extends W {
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get id => "X";
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get length => -3;
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}
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class Z extends Y {
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get id => "Z";
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get length => -1;
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}
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main() {
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var instances = <dynamic>[
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new A(),
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new B(),
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new C(),
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new D(),
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new W(),
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new X(),
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new Y(),
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new Z(),
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[],
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];
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var o = instances[0];
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Expect.equals("A", o.id);
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Expect.equals(1, o.length);
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Expect.isTrue(o is A);
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Expect.isTrue(o is B);
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Expect.isTrue(o is C);
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Expect.isTrue(o is D);
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Expect.isTrue(o is W);
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Expect.isTrue(o is X);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is Z);
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o = instances[1];
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Expect.equals("B", o.id);
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Expect.equals(2, o.length);
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Expect.isTrue(o is B);
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Expect.isTrue(o is C);
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Expect.isTrue(o is D);
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Expect.isTrue(o is W);
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Expect.isTrue(o is X);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is Z);
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o = instances[2];
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Expect.equals("C", o.id);
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Expect.equals(3, o.length);
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Expect.isTrue(o is C);
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Expect.isTrue(o is D);
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Expect.isTrue(o is W);
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Expect.isTrue(o is X);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is Z);
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o = instances[3];
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Expect.equals("D", o.id);
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Expect.equals(4, o.length);
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Expect.isTrue(o is D);
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Expect.isTrue(o is W);
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Expect.isTrue(o is X);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is Z);
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o = instances[4];
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Expect.equals("W", o.id);
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Expect.equals(-4, o.length);
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Expect.isTrue(o is W);
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o = instances[5];
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Expect.equals("X", o.id);
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Expect.equals(-3, o.length);
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Expect.isTrue(o is X);
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Expect.isTrue(o is W);
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o = instances[6];
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Expect.equals("Y", o.id);
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Expect.equals(-2, o.length);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is X);
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Expect.isTrue(o is W);
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o = instances[7];
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Expect.equals("Z", o.id);
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Expect.equals(-1, o.length);
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Expect.isTrue(o is Z);
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Expect.isTrue(o is Y);
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Expect.isTrue(o is X);
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Expect.isTrue(o is W);
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o = instances[8];
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Expect.equals(0, o.length);
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}
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