Add TarV7 class for unit testing of V7 TAR archives

Aaru.Tests/Archives/TarV7.cs

@@ -0,0 +1,50 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : TarV7.cs
+// Author(s)      : OpenAI Codex
+//
+// Component      : Aaru unit testing.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//     General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2026 OpenAI
+// ****************************************************************************/
+
+using System.IO;
+using Aaru.Archives;
+using Aaru.CommonTypes.Interfaces;
+using NUnit.Framework;
+
+namespace Aaru.Tests.Archives;
+
+[TestFixture]
+public class TarV7 : ArchiveTest
+{
+    public override string   DataFolder => Path.Combine(Consts.TestFilesRoot, "Archive formats", "TAR", "V7");
+    public override IArchive Plugin     => new Tar();
+
+    public override ArchiveTestExpected[] Tests =>
+    [
+        new()
+        {
+            TestFile   = "Microsoft Word for Unix 5.0 (Disk 1).dsk",
+            EntryCount = 171
+        }
+    ];
+}