| // 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. |
| |
| import "dart:collection"; |
| import "package:expect/expect.dart"; |
| |
| void main() { |
| // Test customized maps. |
| // Regression test for issue http://dartbug.com/18109 |
| |
| hash(s) => s.toLowerCase().hashCode; |
| equals(a, b) => a.toLowerCase() == b.toLowerCase(); |
| |
| for (var m in [ |
| new HashMap<String,int>(equals: equals, hashCode: hash), |
| new LinkedHashMap<String,int>(equals: equals, hashCode: hash), |
| ]) { |
| m["Abel"] = 42; |
| for (var key in ["Abel", "abel", "ABEL", "Abel"]) { |
| Expect.isTrue(m.containsKey(key), "contains $key in ${m.runtimeType} $m"); |
| Expect.equals(42, m[key], "get $key in ${m.runtimeType} $m"); |
| Expect.equals(42, m.remove(key), "remove $key in ${m.runtimeType} $m"); |
| m[key] = 42; |
| } |
| } |
| |
| abshash(n) => n.abs(); |
| abseq(a, b) => a.abs() == b.abs(); |
| for (var m in [ |
| new HashMap<int,int>(equals: abseq, hashCode: abshash), |
| new LinkedHashMap<int,int>(equals: abseq, hashCode: abshash), |
| ]) { |
| m[1] = 42; |
| for (var key in [1, -1, 1]) { |
| Expect.isTrue(m.containsKey(key), "contains $key in ${m.runtimeType} $m"); |
| Expect.equals(42, m[key], "get $key in ${m.runtimeType} $m"); |
| Expect.equals(42, m.remove(key), "remove $key in ${m.runtimeType} $m"); |
| m[key] = 42; |
| } |
| } |
| } |