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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.net.chargen;
19  
20  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
21  import static org.junit.jupiter.api.Assertions.assertThrows;
22  
23  import java.net.InetAddress;
24  
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Tests {@link CharGenUDPClient}.
29   */
30  public class CharGenUDPClientTest {
31  
32      @SuppressWarnings("resource")
33      @Test
34      public void testConstructor() {
35          assertDoesNotThrow(CharGenUDPClient::new);
36      }
37  
38      @Test
39      public void testReceiver() {
40          try (CharGenUDPClient client = new CharGenUDPClient()) {
41              // Not connected
42              assertThrows(NullPointerException.class, client::receive);
43          }
44      }
45  
46      @Test
47      public void testSend() {
48          try (CharGenUDPClient client = new CharGenUDPClient()) {
49              // Not connected
50              assertThrows(NullPointerException.class, () -> client.send(InetAddress.getLocalHost()));
51              assertThrows(NullPointerException.class, () -> client.send(InetAddress.getLocalHost(), CharGenUDPClient.DEFAULT_PORT));
52          }
53      }
54  
55  }