src/Workspaces/CoreTest/UtilityTest/SourceTextSerializationTests.cs - main - githubmirror/roslyn

src/Workspaces/CoreTest/UtilityTest/SourceTextSerializationTests.cs

59 строк2 KB

Cyrus Najmabadi

Use file scoped namespaces. (#77854)

27 мар 2025, 09:55

27 мар 2025, 09:5598d41b8

// 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.

#nullable disable

using System.Text;
using System.Threading;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.UnitTests;

[UseExportProvider]
public sealed class SourceTextSerializationTests
{
    [Fact]
    public void TestSourceTextSerialization()
    {
        using var workspace = new AdhocWorkspace();
        var textService = Assert.IsType<TextFactoryService>(workspace.Services.GetService<ITextFactoryService>());

        var maxSize = SourceTextExtensions.SourceTextLengthThreshold * 3;
        var sb = new StringBuilder(0, maxSize);

        for (var i = 0; i < maxSize; i++)
        {
            var originalText = CreateSourceText(sb, i);

            using var stream = SerializableBytes.CreateWritableStream();

            using (var writer = new ObjectWriter(stream, leaveOpen: true))
            {
                originalText.WriteTo(writer, CancellationToken.None);
            }

            stream.Position = 0;

            using var reader = ObjectReader.TryGetReader(stream);
            var recovered = SourceTextExtensions.ReadFrom(textService, reader, originalText.Encoding, originalText.ChecksumAlgorithm, CancellationToken.None);

            Assert.Equal(originalText.ToString(), recovered.ToString());
        }
    }

    private static SourceText CreateSourceText(StringBuilder sb, int size)
    {
        for (var i = sb.Length; i < size; i++)
        {
            sb.Append((char)('0' + (i % 10)));
        }

        return SourceText.From(sb.ToString());
    }
}