Adding missed test file for HADOOP-3413.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.18@665791 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/hadoop/io/TestSequenceFileSerialization.java

@@ -0,0 +1,69 @@
+/**
+ * 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.
+ */
+
+package org.apache.hadoop.io;
+
+import junit.framework.TestCase;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.SequenceFile.Reader;
+import org.apache.hadoop.io.SequenceFile.Writer;
+
+public class TestSequenceFileSerialization extends TestCase {
+  
+  private Configuration conf;
+  private FileSystem fs;
+  
+  @Override
+  protected void setUp() throws Exception {
+    conf = new Configuration();
+    conf.set("io.serializations",
+        "org.apache.hadoop.io.serializer.JavaSerialization");
+    fs = FileSystem.getLocal(conf);  
+  }
+  
+  @Override
+  protected void tearDown() throws Exception {
+    fs.close();
+  }
+  
+  public void testJavaSerialization() throws Exception {
+    Path file = new Path(System.getProperty("test.build.data",".") +
+        "/test.seq");
+    
+    fs.delete(file, true);
+    Writer writer = SequenceFile.createWriter(fs, conf, file, Long.class,
+        String.class);
+    
+    writer.append(1L, "one");
+    writer.append(2L, "two");
+    
+    writer.close();
+    
+    Reader reader = new Reader(fs, file, conf);
+    assertEquals(1L, reader.next((Object) null));
+    assertEquals("one", reader.getCurrentValue((Object) null));
+    assertEquals(2L, reader.next((Object) null));
+    assertEquals("two", reader.getCurrentValue((Object) null));
+    assertNull(reader.next((Object) null));
+    reader.close();
+    
+  }
+}