LibTest/core/Set/lookup_A01_t01.dart

// Copyright (c) 2016, 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.

/// @assertion E lookup(Object object)
/// If an object equal to object is in the set, return it.
/// Checks if there is an object in the set that is equal to object. If so, that
/// object is returned, otherwise returns null.
/// @description Checks that it returns
/// @author sgrekhov@unipro.ru

library lookup_A01_t01;
import "set.lib.dart";
import "../../../Utils/expect.dart";

test(Set create([Iterable content])) {
  Set set = create([-1, 0, 1, 2, 3, 4, 5, 6]);

  Expect.equals(0, set.lookup(0));
  Expect.isNull(set.lookup(-2));
  Expect.isNull(set.lookup(0.5));
}

main() {
  test(create);
}