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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.io.entity;
29  
30  import java.io.ByteArrayOutputStream;
31  import java.nio.ByteBuffer;
32  import java.nio.charset.StandardCharsets;
33  
34  import org.junit.Assert;
35  import org.junit.Test;
36  
37  /**
38   * Unit tests for {@link ByteBufferEntity}.
39   *
40   */
41  public class TestByteBufferEntity {
42  
43      @Test
44      public void testBasics() throws Exception {
45          final ByteBuffer bytes = ByteBuffer.wrap("Message content".getBytes(StandardCharsets.US_ASCII));
46          final ByteBufferEntity httpentity = new ByteBufferEntity(bytes);
47  
48          Assert.assertEquals(bytes.capacity(), httpentity.getContentLength());
49          Assert.assertNotNull(httpentity.getContent());
50          Assert.assertTrue(httpentity.isRepeatable());
51          Assert.assertFalse(httpentity.isStreaming());
52      }
53  
54  
55      @Test(expected=IllegalArgumentException.class)
56      public void testIllegalConstructorNullByteArray() throws Exception {
57          new ByteBufferEntity(null);
58      }
59  
60      @Test
61      public void testWriteTo() throws Exception {
62          final ByteBuffer bytes = ByteBuffer.wrap("Message content".getBytes(StandardCharsets.US_ASCII));
63          final ByteBufferEntity httpentity = new ByteBufferEntity(bytes);
64  
65          ByteArrayOutputStream out = new ByteArrayOutputStream();
66          httpentity.writeTo(out);
67          byte[] bytes2 = out.toByteArray();
68          Assert.assertNotNull(bytes2);
69          Assert.assertEquals(bytes.capacity(), bytes2.length);
70          bytes.position(0);
71          for (int i = 0; i < bytes2.length; i++) {
72              Assert.assertEquals(bytes.get(i), bytes2[i]);
73          }
74  
75          out = new ByteArrayOutputStream();
76          httpentity.writeTo(out);
77          bytes2 = out.toByteArray();
78          Assert.assertNotNull(bytes2);
79          Assert.assertEquals(bytes.capacity(), bytes2.length);
80          bytes.position(0);
81          for (int i = 0; i < bytes.capacity(); i++) {
82              Assert.assertEquals(bytes.get(i), bytes2[i]);
83          }
84  
85          try {
86              httpentity.writeTo(null);
87              Assert.fail("IllegalArgumentException should have been thrown");
88          } catch (final IllegalArgumentException ex) {
89              // expected
90          }
91      }
92  }