Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
41 lines
1.1 KiB
Dart
41 lines
1.1 KiB
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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// @dart = 2.9
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import "package:expect/expect.dart";
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// Dart test program for testing default factories.
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abstract class Vehicle {
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factory Vehicle() = GoogleOne.Vehicle;
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// ^^^^^^^^^^^^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_INVALID_RETURN_TYPE
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// [cfe] The constructor function type 'GoogleOne Function()' isn't a subtype of 'Vehicle Function()'.
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}
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class Bike implements Vehicle, GoogleOne {
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Bike.redOne() {}
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}
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abstract class SpaceShip {
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factory SpaceShip() = GoogleOne;
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}
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class GoogleOne implements SpaceShip {
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GoogleOne.internal_() {}
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factory GoogleOne() {
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return new GoogleOne.internal_();
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}
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factory GoogleOne.Vehicle() {
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return new Bike.redOne();
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}
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}
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main() {
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Expect.equals(true, (new Bike.redOne()) is Bike);
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Expect.equals(true, (new SpaceShip()) is GoogleOne);
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var ensureItsCalled = new Vehicle();
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}
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