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761e1f9b92
Change-Id: I4afac250d6646fbd08a661ea48f0927e9ccaea59 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142380 Commit-Queue: Riley Porter <rileyporter@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>
49 lines
1.4 KiB
Dart
49 lines
1.4 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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import "package:expect/expect.dart";
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// Tests for the contains methods on lists.
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test(list, notInList) {
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testList(list) {
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for (int i = 0; i < list.length; i++) {
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var elem = list[i];
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Expect.isTrue(list.contains(list[i]), "$list.contains($elem)");
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}
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Expect.isFalse(list.contains(notInList), "!$list.contains($notInList)");
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}
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List fixedList = new List.filled(list.length, null);
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List growList = [];
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for (int i = 0; i < list.length; i++) {
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fixedList[i] = list[i];
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growList.add(list[i]);
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}
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testList(list);
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testList(fixedList);
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testList(growList);
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}
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class C {
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const C();
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}
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class Niet {
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bool operator ==(other) => false;
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}
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main() {
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test(const <String?>["a", "b", "c", null], "d");
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test(const <int?>[1, 2, 3, null], 0);
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test(const <bool>[true, false], null);
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test(const <C?>[const C(), const C(), null], new C());
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test(<C?>[new C(), new C(), new C(), null], new C());
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test(const <double>[0.0, 1.0, 5e-324, 1e+308, double.infinity], 2.0);
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Expect.isTrue(const <double>[-0.0].contains(0.0));
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Expect.isFalse(const <double>[double.nan].contains(double.nan));
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var niet = new Niet();
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Expect.isFalse([niet].contains(niet));
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}
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