modules/platforms/dotnet/Apache.Ignite.Core.Tests/Collections/MultiValueDictionaryTest.cs

/*
 * 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.
 */

namespace Apache.Ignite.Core.Tests.Collections
{
    using Apache.Ignite.Core.Impl.Collections;
    using NUnit.Framework;

    /// <summary>
    /// Tests the <see cref="MultiValueDictionary{TKey,TValue}"/>.
    /// </summary>
    public class MultiValueDictionaryTest
    {
        /// <summary>
        /// Tests the dictionary.
        /// </summary>
        [Test]
        public void TestMultiValueDictionary()
        {
            var dict = new MultiValueDictionary<int, int>();

            dict.Add(1, 1);
            dict.Add(1, 2);

            int val;

            Assert.IsTrue(dict.TryRemove(1, out val));
            Assert.AreEqual(2, val);

            Assert.IsTrue(dict.TryRemove(1, out val));
            Assert.AreEqual(1, val);

            Assert.IsFalse(dict.TryRemove(1, out val));

            dict.Add(2, 1);
            dict.Add(2, 2);
            dict.Remove(2, 3);
            dict.Remove(2, 2);

            Assert.IsTrue(dict.TryRemove(2, out val));
            Assert.AreEqual(1, val);
        }
    }
}