blob: 6d8fe00ede69dd350e80f62f285af44808ad66c6 [file] [log] [blame]
// 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 Iterable<E> where(bool f(E element))
/// Returns a lazy Iterable with all elements that satisfy the predicate f.
/// @description Checks that the given function is not executed and an empty
/// collection is returned if this Iterable is empty.
/// @author iefremov
library where_A01_t03;
import "../../../Utils/expect.dart";
test(Iterable create([Iterable content])) {
Iterable a = create([]).where((var v) {
return true;
Iterator it = a.iterator;
while (it.moveNext()) {}
a = create([]).where((var v) {"Should not be executed");
return false;
it = a.iterator;
while (it.moveNext()) {}