blob: 4aceb8fbd0fcd429752a1be59e6c223d989ebe95 [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.fromIterable(Iterable iterable,
/// {K key(element), V value(element), 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(var key1, var key2) {
compareCalled = true;
return key1.value - key2.value;
main() {
C c1 = new C(2);
C c2 = new C(2);
Iterable source = [new C(1), c1, c2];
SplayTreeMap map = new SplayTreeMap.fromIterable(source, compare: compare);
Expect.equals(2, map.length);
Expect.equals(c2, map[c1]);