File: Collections\List\SegmentedList.Generic.Tests.ConvertAll.cs
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Project: src\src\Compilers\Core\CodeAnalysisTest\Microsoft.CodeAnalysis.UnitTests.csproj (Microsoft.CodeAnalysis.UnitTests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
// NOTE: This code is derived from an implementation originally in dotnet/runtime:
// https://github.com/dotnet/runtime/blob/v8.0.3/src/libraries/System.Collections/tests/Generic/List/List.Generic.Tests.ConvertAll.cs
//
// See the commentary in https://github.com/dotnet/roslyn/pull/50156 for notes on incorporating changes made to the
// reference implementation.
 
using System.Linq;
using Microsoft.CodeAnalysis.Collections;
using Xunit;
 
namespace Microsoft.CodeAnalysis.UnitTests.Collections
{
    public abstract partial class SegmentedList_Generic_Tests<T> : IList_Generic_Tests<T>
    {
        [Fact]
        public void ConvertAll()
        {
            var list = new SegmentedList<int>(new int[] { 1, 2, 3 });
            var before = list.ToSegmentedList();
            var after = list.ConvertAll((i) => { return 10 * i; });
 
            Assert.Equal(before.Count, list.Count);
            Assert.Equal(before.Count, after.Count);
 
            for (int i = 0; i < list.Count; i++)
            {
                Assert.Equal(before[i], list[i]);
                Assert.Equal(before[i] * 10, after[i]);
            }
        }
    }
}