Robert Nystrom
0906af6d2f
I also regenerated the static error expectations (see #57042 for context). Change-Id: Ia0ca22604a0dd422cc265a46845afc43f551fe38 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394572 Commit-Queue: Lasse Nielsen <lrn@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
47 lines
2.0 KiB
Dart
47 lines
2.0 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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main() {
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List<int?> list1 = <int?>[1, 2, 3];
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List<int?> list2 = const <int?>[4, 5];
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List<String?> list3 = <String?>[];
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Set<int?> set1 = new Set<int?>();
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set1
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..add(11)
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..add(12)
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..add(13);
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Set set2 = new Set();
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Expect.equals(2, list1.firstWhere((x) => x!.isEven));
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Expect.equals(1, list1.firstWhere((x) => x!.isOdd));
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Expect.throwsStateError(() => list1.firstWhere((x) => x! > 3));
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Expect.equals(null, list1.firstWhere((x) => x! > 3, orElse: () => null));
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Expect.equals(499, list1.firstWhere((x) => x! > 3, orElse: () => 499));
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Expect.equals(4, list2.firstWhere((x) => x!.isEven));
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Expect.equals(5, list2.firstWhere((x) => x!.isOdd));
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Expect.throwsStateError(() => list2.firstWhere((x) => x == 0));
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Expect.equals(null, list2.firstWhere((x) => false, orElse: () => null));
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Expect.equals(499, list2.firstWhere((x) => false, orElse: () => 499));
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Expect.throwsStateError(() => list3.firstWhere((x) => x == 0));
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Expect.throwsStateError(() => list3.firstWhere((x) => true));
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Expect.equals(null, list3.firstWhere((x) => true, orElse: () => null));
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Expect.equals("str", list3.firstWhere((x) => false, orElse: () => "str"));
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Expect.equals(12, set1.firstWhere((x) => x!.isEven));
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var odd = set1.firstWhere((x) => x!.isOdd);
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Expect.isTrue(odd == 11 || odd == 13);
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Expect.throwsStateError(() => set1.firstWhere((x) => false));
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Expect.equals(null, set1.firstWhere((x) => false, orElse: () => null));
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Expect.equals(499, set1.firstWhere((x) => false, orElse: () => 499));
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Expect.throwsStateError(() => set2.firstWhere((x) => false));
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Expect.throwsStateError(() => set2.firstWhere((x) => true));
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Expect.equals(null, set2.firstWhere((x) => true, orElse: () => null));
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Expect.equals(499, set2.firstWhere((x) => false, orElse: () => 499));
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}
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