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>
52 lines
1.0 KiB
Dart
52 lines
1.0 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class S {}
|
|
|
|
class M1 {}
|
|
|
|
class M2 {}
|
|
|
|
class M3 {}
|
|
|
|
class C = S with M1, M2, M3;
|
|
|
|
class D extends S with M1, M2, M3 {}
|
|
|
|
class S_M1 {}
|
|
|
|
class S_M1_M2 {}
|
|
|
|
main() {
|
|
var c = new C();
|
|
Expect.isTrue(c is C);
|
|
Expect.isFalse(c is D);
|
|
Expect.isTrue(c is S);
|
|
Expect.isFalse(c is S_M1);
|
|
Expect.isFalse(c is S_M1_M2);
|
|
|
|
var d = new D();
|
|
Expect.isFalse(d is C);
|
|
Expect.isTrue(d is D);
|
|
Expect.isTrue(d is S);
|
|
Expect.isFalse(d is S_M1);
|
|
Expect.isFalse(d is S_M1_M2);
|
|
|
|
var sm = new S_M1();
|
|
Expect.isFalse(sm is C);
|
|
Expect.isFalse(sm is D);
|
|
Expect.isFalse(sm is S);
|
|
Expect.isTrue(sm is S_M1);
|
|
Expect.isFalse(sm is S_M1_M2);
|
|
|
|
var smm = new S_M1_M2();
|
|
Expect.isFalse(smm is C);
|
|
Expect.isFalse(smm is D);
|
|
Expect.isFalse(smm is S);
|
|
Expect.isFalse(smm is S_M1);
|
|
Expect.isTrue(smm is S_M1_M2);
|
|
}
|