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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.compress.compressors.deflate;
20  
21  import static org.junit.jupiter.api.Assertions.assertTrue;
22  
23  import java.io.ByteArrayOutputStream;
24  import java.io.IOException;
25  
26  import org.junit.jupiter.api.Test;
27  
28  public class DeflateCompressorOutputStreamTest {
29  
30      @Test
31      public void testCanReadASingleByteFlushAndFinish() throws IOException {
32          try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
33                  DeflateCompressorOutputStream cos = new DeflateCompressorOutputStream(bos)) {
34              cos.write(99);
35              cos.flush();
36              cos.finish();
37              assertTrue(bos.toByteArray().length > 0);
38          }
39      }
40  
41  }