--- /dev/null
+package org.apache.lucene.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.
+ */
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.util._TestUtil;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig.OpenMode;
+import org.apache.lucene.store.Directory;
+
+/**
+ * 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).
+ */
+
+public class TestIndexWriterLockRelease extends LuceneTestCase {
+ private java.io.File __test_dir;
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ if (this.__test_dir == null) {
+ this.__test_dir = _TestUtil.getTempDir("testIndexWriter");
+
+ if (this.__test_dir.exists()) {
+ throw new IOException("test directory \"" + this.__test_dir.getPath() + "\" already exists (please remove by hand)");
+ }
+
+ if (!this.__test_dir.mkdirs()
+ && !this.__test_dir.isDirectory()) {
+ throw new IOException("unable to create test directory \"" + this.__test_dir.getPath() + "\"");
+ }
+ }
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ if (this.__test_dir != null) {
+ File[] files = this.__test_dir.listFiles();
+
+ for (int i = 0;
+ i < files.length;
+ ++i) {
+ if (!files[i].delete()) {
+ throw new IOException("unable to remove file in test directory \"" + this.__test_dir.getPath() + "\" (please remove by hand)");
+ }
+ }
+
+ if (!this.__test_dir.delete()) {
+ throw new IOException("unable to remove test directory \"" + this.__test_dir.getPath() + "\" (please remove by hand)");
+ }
+ }
+ super.tearDown();
+ }
+
+ public void testIndexWriterLockRelease() throws IOException {
+ Directory dir = newFSDirectory(this.__test_dir);
+ try {
+ new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT,
+ new StandardAnalyzer(TEST_VERSION_CURRENT))
+ .setOpenMode(OpenMode.APPEND));
+ } catch (FileNotFoundException e) {
+ try {
+ new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT,
+ new StandardAnalyzer(TEST_VERSION_CURRENT))
+ .setOpenMode(OpenMode.APPEND));
+ } catch (FileNotFoundException e1) {
+ }
+ } finally {
+ dir.close();
+ }
+ }
+}