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>
52 lines
1.0 KiB
Dart
52 lines
1.0 KiB
Dart
// Copyright (c) 2013, 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 S {}
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class M1 {}
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class M2 {}
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class M3 {}
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class C = S with M1, M2, M3;
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class D extends S with M1, M2, M3 {}
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class S_M1 {}
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class S_M1_M2 {}
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main() {
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var c = new C();
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Expect.isTrue(c is C);
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Expect.isFalse(c is D);
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Expect.isTrue(c is S);
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Expect.isFalse(c is S_M1);
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Expect.isFalse(c is S_M1_M2);
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var d = new D();
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Expect.isFalse(d is C);
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Expect.isTrue(d is D);
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Expect.isTrue(d is S);
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Expect.isFalse(d is S_M1);
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Expect.isFalse(d is S_M1_M2);
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var sm = new S_M1();
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Expect.isFalse(sm is C);
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Expect.isFalse(sm is D);
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Expect.isFalse(sm is S);
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Expect.isTrue(sm is S_M1);
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Expect.isFalse(sm is S_M1_M2);
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var smm = new S_M1_M2();
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Expect.isFalse(smm is C);
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Expect.isFalse(smm is D);
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Expect.isFalse(smm is S);
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Expect.isFalse(smm is S_M1);
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Expect.isTrue(smm is S_M1_M2);
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}
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