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Subject [GitHub] StefanRRichter commented on a change in pull request #7049: [FLINK-10816][cep] Fix LockableTypeSerializer.duplicate() to consider…
Date Thu, 08 Nov 2018 08:49:16 GMT
StefanRRichter commented on a change in pull request #7049: [FLINK-10816][cep] Fix LockableTypeSerializer.duplicate()
to consider…
URL: https://github.com/apache/flink/pull/7049#discussion_r231803566
 
 

 ##########
 File path: flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/nfa/sharedbuffer/LockableTypeSerializerTest.java
 ##########
 @@ -0,0 +1,55 @@
+/*
+ * 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.flink.cep.nfa.sharedbuffer;
+
+import org.apache.flink.api.common.typeutils.base.IntSerializer;
+import org.apache.flink.runtime.state.heap.CopyOnWriteStateTableTest;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Tests for {@link org.apache.flink.cep.nfa.sharedbuffer.Lockable.LockableTypeSerializer}.
+ */
+public class LockableTypeSerializerTest {
+
+	/**
+	 * This tests that {@link Lockable.LockableTypeSerializer#duplicate()} works as expected.
+	 */
+	@Test
+	public void testDuplicate() {
+		IntSerializer nonDuplicatingInnerSerializer = IntSerializer.INSTANCE;
+		Assert.assertSame(nonDuplicatingInnerSerializer, nonDuplicatingInnerSerializer.duplicate());
+		Lockable.LockableTypeSerializer<Integer> candidateTestShallowDuplicate =
+			new Lockable.LockableTypeSerializer<>(nonDuplicatingInnerSerializer);
+		Assert.assertSame(candidateTestShallowDuplicate, candidateTestShallowDuplicate.duplicate());
+
+		CopyOnWriteStateTableTest.TestDuplicateSerializer duplicatingInnerSerializer =
 
 Review comment:
   I agree, was already thinking about extracting the class into an own file. Will just do
that before merging.

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