blob: 3d7ff9d37d9456295cbd8b3dfa81db7f7eb2dd34 [file] [log] [blame]
 // 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 int hash(s) => s.toLowerCase().hashCode; bool equals(a, b) => a.toLowerCase() == b.toLowerCase(); for (var m in [ new HashMap(equals: equals, hashCode: hash), new LinkedHashMap(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; } } int abshash(n) => n.abs(); bool abseq(a, b) => a.abs() == b.abs(); for (var m in [ new HashMap(equals: abseq, hashCode: abshash), new LinkedHashMap(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; } } }