blob: b4b3d38c5fd6f83d3fe6a5877862ecbe6de9bf1f [file] [log] [blame]
// Copyright (c) 2013, 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 map(f(E element))
/// As long as the returned [Iterable] is not iterated over,
/// the supplied function [f] will not be invoked.
/// @description Checks that [f] will not be invoked until
/// the returned [Iterable] is not iterated over.
/// @author msyabro
import "../../../Utils/expect.dart";
main() {
bool invoked = false;
f(e) {
invoked = true;;
return e;
var runes = new Runes('_');
var res =;