| // 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)}) |
| /// The keys of the key/value pairs do not need to be unique. The last occurrence |
| /// of a [key] will simply overwrite any previous value. |
| /// @description Checks that this constructor creates an [SplayTreeMap] that |
| /// contains all elements of the [iterable] |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| check(Iterable expected, Map m2) { |
| Expect.equals(expected.length, m2.length); |
| expected.forEach((var element) { |
| Expect.isTrue(m2.containsKey(element)); |
| Expect.equals(element, m2[element]); |
| }); |
| } |
| |
| main() { |
| SplayTreeMap map = new SplayTreeMap.fromIterable([]); |
| check([], map); |
| |
| map = new SplayTreeMap.fromIterable([1, 2, 2, 2, 3, 4]); |
| check([1, 2, 3, 4], map); |
| |
| map = new SplayTreeMap.fromIterable(["1", "2", "2", "2", "3", "4", "5", "6"]); |
| check(["1", "2", "3", "4", "5", "6"], map); |
| } |