test tars

test.tars.cs

// See https://aka.ms/new-console-template for more information
using System.Formats.Tar;
using Xunit;

public static class C
{

    public async static Task Main()
    {
        List<Task> tasks = new();
        foreach (string path in Directory.EnumerateFiles(@"C:\git\go\src\archive\tar\testdata", "*.tar"))
        {
            tasks.Add(Task.Run(async () =>
            {
                TarEntry? entry = null;

                try
                {
                    //Console.WriteLine($"{path} opening...");
                    using FileStream fs = new(path, FileMode.Open);
                    using TarReader reader = new(fs, leaveOpen: false);

                    while ((entry = await reader.GetNextEntryAsync()) != null)
                    {
                        var ms = new MemoryStream();

                        Assert.NotEmpty(entry.Name);
                        Assert.True(Enum.IsDefined(entry.EntryType));
                        Assert.True(Enum.IsDefined(entry.Format));

                        if (entry.EntryType == TarEntryType.Directory)
                            continue;

                        var ds = entry.DataStream;
                        if (ds != null && ds.Length > 0)
                        {
                            ds.CopyTo(ms);
                        }
                    }
                }
                catch (Exception ex) //when (!(ex is FormatException))
                {
                    Console.WriteLine($"{path} opening {entry?.Name} threw {ex.Message}");
                }
            }));
        }

        await Task.WhenAll(tasks);
    }
}