blob: f9923a82104a8f37391e8302b7dc42d63fc35396 [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 [isValidKey] function is specified, then it is
/// called before the [compare] call
/// @author
import "dart:collection";
import "../../../Utils/expect.dart";
bool isValidKeyCalled = false;
bool startTesting = false;
class C {
int value;
int compare(var key1, var key2) {
if (startTesting) {
return key1.value - key2.value;
bool isValidKey(potentialKey) {
if (startTesting) {
isValidKeyCalled = true;
return true;
main() {
C c1 = new C(1);
C c2 = new C(2);
Iterable<C> source = [c1, c2];
SplayTreeMap map = new SplayTreeMap.fromIterable(source, compare: compare,
isValidKey: isValidKey);
startTesting = true;
isValidKeyCalled = false;
isValidKeyCalled = false;
isValidKeyCalled = false;
isValidKeyCalled = false;