content: /*
   * 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.kafka.common.utils;
  
  import org.apache.kafka.test.TestUtils;
  
  import org.junit.jupiter.api.Test;
  
  import java.io.File;
  import java.nio.MappedByteBuffer;
  import java.nio.channels.FileChannel;
  
  public class ByteBufferUnmapperTest {
  
      /**
       * Checks that unmap doesn't throw exceptions.
       */
      @Test
      public void testUnmap() throws Exception {
          File file = TestUtils.tempFile();
          try (FileChannel channel = FileChannel.open(file.toPath())) {
              MappedByteBuffer map = channel.map(FileChannel.MapMode.READ_ONLY, 0, 0);
              ByteBufferUnmapper.unmap(file.getAbsolutePath(), map);
          }
      }
  
  }
  