blob: 136e16928630e2bd48902e28d3ea936d106c3f66 [file] [log] [blame]
// 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 SplayTreeMap.fromIterables(Iterable<K> keys, Iterable<V> values,
/// [int compare(K key1, K key2), bool isValidKey(potentialKey)])
/// @description Checks that if [compare] function specified, then it is used for
/// the keys comparison
/// @author
import "dart:collection";
import "../../../Utils/expect.dart";
bool compareCalled = false;
class C {
int value;
int compare(C key1, C key2) {
compareCalled = true;
return key1.value - key2.value;
main() {
C c1 = new C(2);
C c2 = new C(2);
Iterable<C> keys = [new C(1), c1, c2];
Iterable<int> values = [1, 2, 3];
SplayTreeMap<C, int> map = new SplayTreeMap<C, int>.fromIterables(keys, values, compare);
Expect.equals(2, map.length);
Expect.equals(3, map[c1]);
Expect.equals(3, map[c2]);