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05ca544f15
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
50 lines
1 KiB
Dart
50 lines
1 KiB
Dart
// Copyright (c) 2018, 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 = 2.7
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// dart2jsOptions=--strong
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import 'package:expect/expect.dart';
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T id<T>(T t) => t;
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class C<T> {
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final T t;
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final T Function(T) f;
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const C(this.t, this.f);
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}
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class D<T> {
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final T t;
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final T Function(T) f;
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const D(this.t, this.f);
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}
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const C<int> c1a = const C<int>(0, id);
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const C<int> c1b = const C<int>(0, id);
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const C<double> c2a = const C<double>(0.5, id);
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const C<double> c2b = const C<double>(0.5, id);
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const D<int> d = const D<int>(0, id);
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main() {
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Expect.equals(c1a, c1b);
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Expect.isTrue(identical(c1a, c1b));
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Expect.equals(c1a.f, c1b.f);
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Expect.equals(c2a, c2b);
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Expect.isTrue(identical(c2a, c2b));
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Expect.equals(c2a.f, c2b.f);
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Expect.notEquals(c1a, c2a);
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Expect.notEquals(c1a.f, c2a.f);
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Expect.notEquals(c1a, d);
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Expect.isTrue(identical(c1a.f, d.f));
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}
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