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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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.commons.crypto.stream.input;
20  
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  
23  import java.io.ByteArrayInputStream;
24  import java.io.IOException;
25  import java.nio.channels.Channels;
26  
27  import org.junit.jupiter.api.Test;
28  
29  
30  /**
31   * Tests {@link ChannelInput}.
32   */
33  public class ChannelInputTest {
34  
35  	@Test
36  	public void testSkipWithSkipBuffer() throws IOException {
37  		try (final ChannelInput channelInput = new ChannelInput(
38  				Channels.newChannel(new ByteArrayInputStream(new byte[10])))) {
39  			assertEquals(0, channelInput.skip(0));
40  			assertEquals(0, channelInput.skip(-1));
41  			assertEquals(1, channelInput.skip(1));
42  			assertEquals(1, channelInput.skip(1));
43  		}
44  	}
45  }