LibTest/core/Iterable/any_A01_t01.test.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.

/// @assertion bool any(bool f(E element))
/// Checks whether any element of this iterable satisfies test.
/// Checks every element in iteration order, and returns true if any of them make
/// test return true, otherwise returns false.
/// @description Checks that this method returns true if any of the elements of
/// this Iteratable make test return true, otherwise returns false.
/// @author pagolubev
/// @author sgrekhov@unipro.ru

library any_A01_t01;
import "../../../Utils/expect.dart";

test(Iterable create([Iterable content])) {
  bool foo(var x) { return x > 0; }

  Expect.isFalse(create().any(foo));
  Expect.isFalse(create([-1, -3, -11]).any (foo));
  Expect.isTrue(create([-1, -3, -11, 5]).any(foo));
  Expect.isTrue(create([-1, -3, -11, 5, 3]).any(foo));
}