flink-libraries/flink-gelly/src/test/java/org/apache/flink/graph/types/valuearray/NullValueArraySerializerTest.java

/*
 * 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.graph.types.valuearray;

import org.apache.flink.api.common.typeutils.SerializerTestBase;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.types.NullValue;

/**
 * A test for the {@link NullValueArraySerializer}.
 */
public class NullValueArraySerializerTest extends SerializerTestBase<NullValueArray> {

	@Override
	protected TypeSerializer<NullValueArray> createSerializer() {
		return new NullValueArraySerializer();
	}

	@Override
	protected int getLength() {
		return 4;
	}

	@Override
	protected Class<NullValueArray> getTypeClass() {
		return NullValueArray.class;
	}

	@Override
	protected NullValueArray[] getTestData() {
		NullValue nv = NullValue.getInstance();

		NullValueArray nva0 = new NullValueArray();

		NullValueArray nva1 = new NullValueArray();
		nva1.addAll(nva0);
		nva1.add(nv);

		NullValueArray nva2 = new NullValueArray();
		nva2.addAll(nva1);
		nva2.add(nv);

		NullValueArray nva3 = new NullValueArray();
		nva3.addAll(nva2);
		for (int i = 0; i < 100; i++) {
			nva3.add(nv);
		}
		nva3.addAll(nva3);

		return new NullValueArray[] {nva0, nva1, nva2, nva3};
	}
}