Files
2026-07-13 13:02:50 +08:00

44 lines
1.6 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;
using static QuantConnect.StringExtensions;
namespace QuantConnect.Tests.Common.Util
{
[TestFixture]
public class LinqExtensionsTests
{
[Test]
public void ToArray_PerformsProjection()
{
var enumerable = Enumerable.Range(0, 10);
var array = enumerable.ToArray(i => Invariant($"{i}"));
CollectionAssert.AreEqual(enumerable.Select(i => Invariant($"{i}")).ToArray(), array);
}
[Test]
public void ToImmutableArray_PerformsProjection()
{
var enumerable = Enumerable.Range(0, 10);
var array = enumerable.ToImmutableArray(i => Invariant($"{i}"));
CollectionAssert.AreEqual(enumerable.Select(i => Invariant($"{i}")).ToArray(), array);
}
}
}