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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
using System;
using System.Collections;
using System.Text;
using NUnit.Framework;
namespace Apache.Qpid.Collections
{
[TestFixture]
public class TestLinkedHashtable
{
[Test]
public void Test1()
{
LinkedHashtable table = new LinkedHashtable();
table["Super"] = "Ayr";
table["Ayr"] = "United";
table["Fred"] = "Wilma";
table["Dumbarton"] = "Gubbed";
dumpDictionary(table);
Console.WriteLine("\nRemoving XXX (non-existant)");
table.Remove("XXX");
dumpDictionary(table);
Console.WriteLine("\nRemoving Fred");
table.Remove("Fred");
dumpDictionary(table);
Console.WriteLine("\nMoving Dumbarton to head");
table.MoveToHead("Dumbarton");
dumpDictionary(table);
}
private static void dumpDictionary(LinkedHashtable table)
{
foreach (DictionaryEntry o in table)
{
Console.WriteLine(string.Format("Item: key={0} value={1}", o.Key, o.Value));
}
Console.WriteLine("keys are " + InspectCollection(table.Keys));
Console.WriteLine("values are " + InspectCollection(table.Values));
}
static string InspectCollection(ICollection collection)
{
StringBuilder sb = null;
foreach (object o in collection)
{
if (sb == null)
{
sb = new StringBuilder(o.ToString());
}
else
{
sb.Append(", ");
sb.Append(o.ToString());
}
}
return sb.ToString();
}
}
}
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