content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.fuse.ufs.stream;
  
  import alluxio.AlluxioURI;
  import alluxio.exception.runtime.AlreadyExistsRuntimeException;
  import alluxio.fuse.file.FuseFileStream;
  
  import jnr.constants.platform.OpenFlags;
  import org.junit.Test;
  
  import java.nio.ByteBuffer;
  
  /**
   * This class includes the read tests for {@link alluxio.fuse.file.FuseFileInOrOutStream}.
   */
  public class InOrOutStreamInTest extends InStreamTest {
    @Override
    protected FuseFileStream createStream(AlluxioURI uri) {
      return mStreamFactory
          .create(uri, OpenFlags.O_RDWR.intValue(), DEFAULT_MODE.toShort());
    }
  
    @Override
    @Test(expected = AlreadyExistsRuntimeException.class)
    public void write() throws Exception {
      AlluxioURI alluxioURI = getTestFileUri();
      writeIncreasingByteArrayToFile(alluxioURI, DEFAULT_FILE_LEN);
      try (FuseFileStream inStream = createStream(alluxioURI)) {
        ByteBuffer buffer = ByteBuffer.allocate(1);
        buffer.put((byte) 'a');
        inStream.write(buffer, 1, 0);
      }
    }
  }
  