/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2011  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o 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/. */

using System.IO;
using Db4objects.Db4o.Ext;
using Db4objects.Db4o.Foundation.IO;
using Db4objects.Db4o.Internal;
using Db4objects.Db4o.Tests.Util;
using Db4oUnit;
using Db4oUnit.Extensions;
using Db4oUnit.Extensions.Fixtures;
using Db4oUnit.Extensions.Util;
using Sharpen;

namespace Db4objects.Db4o.Tests.Common.Regression
{
    /// <exclude></exclude>
    public class COR234TestCase : ITestCase, IOptOutNoFileSystemData, IOptOutWorkspaceIssue
    {
        public virtual void Test()
        {
            if (WorkspaceServices.WorkspaceRoot == null)
            {
                Runtime.Err.WriteLine("Build environment not available. Skipping test case..."
                    );
                return;
            }
            if (!File.Exists(SourceFile()))
            {
                Runtime.Err.WriteLine("Test source file " + SourceFile() + " not available. Skipping test case..."
                    );
                return;
            }
            Db4oFactory.Configure().AllowVersionUpdates(false);
            Db4oFactory.Configure().ReflectWith(Platform4.ReflectorForType(typeof (COR234TestCase
                )));
            Assert.Expect(typeof (OldFormatException), new _ICodeBlock_36(this));
        }

        /// <exception cref="System.IO.IOException"></exception>
        protected virtual string OldDatabaseFilePath()
        {
            var oldFile = IOServices.BuildTempPath("old_db.db4o");
            File4.Copy(SourceFile(), oldFile);
            return oldFile;
        }

        private string SourceFile()
        {
            return WorkspaceServices.WorkspaceTestFilePath("db4oVersions/db4o_3.0.3");
        }

        private sealed class _ICodeBlock_36 : ICodeBlock
        {
            private readonly COR234TestCase _enclosing;

            public _ICodeBlock_36(COR234TestCase _enclosing)
            {
                this._enclosing = _enclosing;
            }

            /// <exception cref="System.Exception"></exception>
            public void Run()
            {
                Db4oFactory.OpenFile(_enclosing.OldDatabaseFilePath());
            }
        }
    }
}