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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>
46 lines
1.2 KiB
Dart
46 lines
1.2 KiB
Dart
// Copyright (c) 2011, 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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library collection_test;
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import "package:expect/expect.dart";
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import 'dart:collection' show Queue;
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class CollectionTest {
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CollectionTest(Iterable<int> iterable) {
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testFold(iterable);
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}
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void testFold(Iterable<int> iterable) {
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Expect.equals(
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28, iterable.fold/*<int>*/(0, (prev, element) => prev + element));
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Expect.equals(
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3024, iterable.fold/*<int>*/(1, (prev, element) => prev * element));
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}
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}
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main() {
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final TEST_ELEMENTS = const [4, 2, 6, 7, 9];
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// Const list.
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new CollectionTest(TEST_ELEMENTS);
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// Fixed size list.
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var fixedList = new List<int>.filled(TEST_ELEMENTS.length, null);
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for (int i = 0; i < TEST_ELEMENTS.length; i++) {
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fixedList[i] = TEST_ELEMENTS[i];
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}
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new CollectionTest(fixedList);
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// Growable list.
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new CollectionTest(new List.from(TEST_ELEMENTS));
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// Set.
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new CollectionTest(new Set.from(TEST_ELEMENTS));
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// Queue.
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new CollectionTest(new Queue.from(TEST_ELEMENTS));
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}
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