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>
27 lines
796 B
Dart
27 lines
796 B
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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import "package:expect/expect.dart";
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class A<T> {
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var closure;
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factory A.factory() => new A(() => new List<T>());
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A([this.closure]) {
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if (closure == null) {
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closure = () => new List<T>();
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}
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}
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}
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main() {
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Expect.isTrue((new A.factory()).closure() is List);
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Expect.isTrue((new A()).closure() is List);
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Expect.isTrue((new A<int>.factory()).closure() is List<int>);
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Expect.isTrue((new A<int>()).closure() is List<int>);
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Expect.isFalse((new A<int>.factory()).closure() is List<String>);
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Expect.isFalse((new A<int>()).closure() is List<String>);
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}
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