using Lucene.Net.Index.Extensions;
using NUnit.Framework;
using System;

namespace Lucene.Net.Index
{
    /*
     * 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.
     */

    using Directory = Lucene.Net.Store.Directory;
    using LuceneTestCase = Lucene.Net.Util.LuceneTestCase;
    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;

    /// <summary>
    /// this tests the patch for issue #LUCENE-715 (IndexWriter does not
    /// release its write lock when trying to open an index which does not yet
    /// exist).
    /// </summary>
    [TestFixture]
    public class TestIndexWriterLockRelease : LuceneTestCase
    {
        [Test]
        public virtual void TestIndexWriterLockRelease_Mem()
        {
            Directory dir = NewFSDirectory(CreateTempDir("testLockRelease"));
            try
            {
                // LUCENENET: discard the result
                _ = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetOpenMode(OpenMode.APPEND));
            }
            catch (Exception e) when (e.IsNoSuchFileExceptionOrFileNotFoundException())
            {
                try
                {
                    // LUCENENET: discard the result
                    _ = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetOpenMode(OpenMode.APPEND));
                }
                catch (Exception e1) when (e1.IsNoSuchFileExceptionOrFileNotFoundException())
                {
                }
            }
            finally
            {
                dir.Dispose();
            }
        }
    }
}
