AVRO-295. JsonEncoder is not flushed after writing using ReflectDatum…

…Writer

git-svn-id: https://svn.apache.org/repos/asf/hadoop/avro/trunk@908366 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -322,6 +322,8 @@ Trunk (unreleased changes)
 
     AVRO-412. Allow schema validation to be optional (massie)
 
+    AVRO-295. JsonEncoder is not flushed after writing using ReflectDatumWriter (thiru)
+
   OPTIMIZATIONS
 
     AVRO-172. More efficient schema processing (massie)

lang/java/src/test/java/org/apache/avro/generic/TestGenericDatumWriter.java

@@ -0,0 +1,52 @@
+/**
+ * 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.avro.generic;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import org.apache.avro.Schema;
+import org.apache.avro.io.Encoder;
+import org.apache.avro.io.JsonDecoder;
+import org.apache.avro.io.JsonEncoder;
+import org.junit.Test;
+
+public class TestGenericDatumWriter {
+  @Test
+  public void testWrite() throws IOException {
+    String json = "{\"type\": \"record\", \"name\": \"r\", \"fields\": ["
+      + "{ \"name\": \"f1\", \"type\": \"long\" }"
+      + "]}";
+    Schema s = Schema.parse(json);
+    GenericRecord r = new GenericData.Record(s);
+    r.put("f1", 100L);
+    ByteArrayOutputStream bao = new ByteArrayOutputStream();
+    GenericDatumWriter<GenericRecord> w =
+      new GenericDatumWriter<GenericRecord>(s);
+    Encoder e = new JsonEncoder(s, bao);
+    w.write(r, e);
+    e.flush();
+
+    Object o = new GenericDatumReader<GenericRecord>(s).read(null,
+        new JsonDecoder(s, new ByteArrayInputStream(bao.toByteArray())));
+    assertEquals(r, o);
+  }
+}