blob: f0f1d541a631d15859e05bb412e1a2e9a8a364b2 [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
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;
}
}
}