Files
quantconnect--lean/Tests/Common/Util/LinqExtensionsTests.cs
2016-03-16 19:39:30 -04:00

39 lines
1.3 KiB
C#

/*
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
*
* Licensed 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.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using QuantConnect.Util;
namespace QuantConnect.Tests.Common.Util
{
[TestFixture]
public class LinqExtensionsTests
{
[Test]
public void ExceptProducesSameResultsAsEnumerableExcept()
{
var enumerable = Enumerable.Range(0, 100);
var set = new HashSet<int>(Enumerable.Range(40, 20));
var expected = Enumerable.Except(enumerable, set);
var actual = LinqExtensions.Except(enumerable, set);
CollectionAssert.AreEqual(expected, actual);
}
}
}