Github user zhangminglei commented on a diff in the pull request:
https://github.com/apache/flink/pull/6075#discussion_r200831458
--- Diff:
flink-connectors/flink-orc/src/test/java/org/apache/flink/orc/OrcFileWriterTest.java
---
@@ -0,0 +1,40 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.flink.orc;
+
+import org.apache.flink.streaming.connectors.fs.Writer;
+import org.apache.flink.types.Row;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests for {@link OrcFileWriter}.
+ */
+public class OrcFileWriterTest {
+
+ @Test
+ public void testDuplicate() {
+ OrcFileWriter<Row> writer = new
OrcFileWriter<Row>("struct<x:int,y:int>");
--- End diff --
Yes. I will add more UTs for all in the next couple of days.
---
