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sdk/tests/corelib/src/CollectionFromTest.dart
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dgrove@google.com ebe439410d Initial checkin.
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22 260f80e4-7a28-3924-810f-c04153c831b5
2011-10-05 06:22:36 +00:00

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Dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
class CollectionFromTest {
static testMain() {
var set = new Set<int>();
set.add(1);
set.add(2);
set.add(4);
check(set, new List<int>.from(set));
check(set, new List.from(set));
check(set, new Queue<int>.from(set));
check(set, new Queue.from(set));
check(set, new Set<int>.from(set));
check(set, new Set.from(set));
}
static check(Collection initial, Collection other) {
Expect.equals(3, initial.length);
Expect.equals(initial.length, other.length);
int initialSum = 0;
int otherSum = 0;
initial.forEach(void f(e) { initialSum += e; });
other.forEach(void f(e) { otherSum += e; });
Expect.equals(4 + 2 + 1, otherSum);
Expect.equals(otherSum, initialSum);
}
}
main() {
CollectionFromTest.testMain();
}