blob: 56c03f1275cca1d8f5aa7e2a7e90a38f94ba18d4 [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 bool every(bool f(E element))
/// @description Checks that [f] is not called if list is empty
/// @author kaigorodov
import "dart:collection";
import "../../../Utils/expect.dart";
import "LinkedList.lib.dart";
//Checks that [every] calls [predicate] a [count] number of times
check(LinkedList<MyLinkedListEntry> a, bool predicate(var e)) {
int actualCount = 0;
a.every((MyLinkedListEntry e) {
return predicate(e.value);
Expect.equals(0, actualCount);
bool allTrue(var e) => true;
bool allFalse(var e) => false;
bool lessThan3(var e) => e < 3;
main() {
LinkedList<MyLinkedListEntry> a = new LinkedList<MyLinkedListEntry>();
check(a, allTrue);
check(a, allFalse);
check(a, lessThan3);