--- /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.IOException;
+import java.util.Collection;
+import java.util.Map;
+
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.junit.Test;
+
+public class TestIndexCommit extends LuceneTestCase {
+
+ @Test
+ public void testEqualsHashCode() throws Exception {
+ // LUCENE-2417: equals and hashCode() impl was inconsistent
+ final Directory dir = newDirectory();
+
+ IndexCommit ic1 = new IndexCommit() {
+ @Override public String getSegmentsFileName() { return "a"; }
+ @Override public long getVersion() { return 12; }
+ @Override public Directory getDirectory() { return dir; }
+ @Override public Collection<String> getFileNames() throws IOException { return null; }
+ @Override public void delete() {}
+ @Override public long getGeneration() { return 0; }
+ @Override public long getTimestamp() throws IOException { return 1;}
+ @Override public Map<String, String> getUserData() throws IOException { return null; }
+ @Override public boolean isDeleted() { return false; }
+ @Override public int getSegmentCount() { return 2; }
+ };
+
+ IndexCommit ic2 = new IndexCommit() {
+ @Override public String getSegmentsFileName() { return "b"; }
+ @Override public long getVersion() { return 12; }
+ @Override public Directory getDirectory() { return dir; }
+ @Override public Collection<String> getFileNames() throws IOException { return null; }
+ @Override public void delete() {}
+ @Override public long getGeneration() { return 0; }
+ @Override public long getTimestamp() throws IOException { return 1;}
+ @Override public Map<String, String> getUserData() throws IOException { return null; }
+ @Override public boolean isDeleted() { return false; }
+ @Override public int getSegmentCount() { return 2; }
+ };
+
+ assertEquals(ic1, ic2);
+ assertEquals("hash codes are not equals", ic1.hashCode(), ic2.hashCode());
+ dir.close();
+ }
+}