Bob Nystrom
edee53f93d
What is dead may never die. Change-Id: I80ef766b8ce2b6e1416df8e1f9b91fb74169dc79 Reviewed-on: https://dart-review.googlesource.com/7483 Reviewed-by: William Hesse <whesse@google.com>
45 lines
1.1 KiB
Dart
45 lines
1.1 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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library collection.from.test;
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import "package:expect/expect.dart";
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import 'dart:collection' show Queue;
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class CollectionFromTest {
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static testMain() {
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var set = new Set<int>();
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set.add(1);
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set.add(2);
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set.add(4);
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check(set, new List<int>.from(set));
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check(set, new List.from(set));
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check(set, new Queue<int>.from(set));
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check(set, new Queue.from(set));
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check(set, new Set<int>.from(set));
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check(set, new Set.from(set));
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}
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static check(Iterable initial, Iterable other) {
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Expect.equals(3, initial.length);
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Expect.equals(initial.length, other.length);
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int initialSum = 0;
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int otherSum = 0;
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initial.forEach((e) {
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initialSum += e;
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});
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other.forEach((e) {
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otherSum += e;
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});
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Expect.equals(4 + 2 + 1, otherSum);
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Expect.equals(otherSum, initialSum);
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}
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}
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main() {
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CollectionFromTest.testMain();
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}
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