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TEST=ci Bug: Contributes to https://github.com/dart-lang/sdk/issues/49529 Change-Id: Ic129ef2d89f625d9ec6a7a1c301cffddd60b2ff7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/258920 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Michael Thomsen <mit@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>
43 lines
907 B
Dart
43 lines
907 B
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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// @dart = 2.9
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import "package:expect/expect.dart";
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class A {
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const A();
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bool operator ==(Object other) {
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return false;
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}
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}
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class B {
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bool operator ==(Object other) {
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Expect.fail("Bad equality order.");
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}
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}
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main() {
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test(iterable) {
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Expect.isFalse(iterable.contains(new B()));
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}
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var iterables = <dynamic>[
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<A>[new A()],
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new List<A>.filled(1, null)..[0] = new A(),
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<A>[]..add(new A()),
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const <A>[const A()],
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new Set()..add(new A()),
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(new Map()..[new A()] = 0).keys,
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(new Map()..[0] = new A()).values
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];
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for (var iterable in iterables) {
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test(iterable);
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test(iterable.map((x) => x));
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test(iterable.take(1));
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}
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}
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