src/Lucene.Net.TestFramework/Util/RemoveUponClose.cs

#if TESTFRAMEWORK
// LUCENENET NOTE: This is incomplete

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Threading;

namespace Lucene.Net.Util
{


    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You under the Apache License, Version 2.0
     * (the "License"); you may not use this file except in compliance with
     * the License.  You may obtain a copy of the License at
     * 
     * http://www.apache.org/licenses/LICENSE-2.0
     * 
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    /// <summary>
    /// A <seealso cref="IDisposable"/> that attempts to remove a given file/folder.
    /// </summary>
    internal sealed class RemoveUponClose : IDisposable
    {
      private readonly FileInfo file;
      private readonly TestRuleMarkFailure FailureMarker;
      private readonly string CreationStack;

      public RemoveUponClose(FileInfo file, TestRuleMarkFailure failureMarker)
      {
        this.file = file;
        this.FailureMarker = failureMarker;

        StringBuilder b = new StringBuilder();
        foreach (StackTrace e in Thread.CurrentThread.StackTrace)
        {
          b.Append('\t').Append(e.ToString()).Append('\n');
        }
        CreationStack = b.ToString();
      }

      public void Dispose()
      {
        // only if there were no other test failures.
        if (FailureMarker.WasSuccessful())
        {
          if (file.Exists)
          {
            try
            {
              TestUtil.Rm(file);
            }
            catch (IOException e)
            {
              throw new IOException("Could not remove temporary location '" + file.FullName + "', created at stack trace:\n" + CreationStack, e);
            }
          }
        }
      }
    }
}
#endif