/*
 * 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.runtime.io.network.partition;

import org.apache.flink.util.TestLogger;

import org.junit.Test;

import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;

/**
 * Tests for the {@link ReleaseOnConsumptionResultPartitionTest}.
 */
public class ReleaseOnConsumptionResultPartitionTest extends TestLogger {

	@Test
	public void testConsumptionBasedPartitionRelease() {
		final ResultPartitionManager manager = new ResultPartitionManager();
		final ResultPartition partition = new ResultPartitionBuilder()
			.setNumberOfSubpartitions(2)
			.isReleasedOnConsumption(true)
			.setResultPartitionManager(manager)
			.build();

		manager.registerResultPartition(partition);

		partition.onConsumedSubpartition(0);
		assertThat(partition.isReleased(), is(false));

		partition.onConsumedSubpartition(1);
		assertThat(partition.isReleased(), is(true));
	}
}

Add new unit tests for ReleaseOnConsumptionResultPartition
[hotfix][network][tests] Add new unit tests for ReleaseOnConsumptionResultPartition

The process of ReleaseOnConsumptionResultPartition#onConsumedSubpartition was not covered by unit tests before, so adding a new test for it.
