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 package org.apache.commons.io.output;
18
19 import static org.junit.jupiter.api.Assertions.assertEquals;
20
21 import java.io.IOException;
22 import java.io.OutputStream;
23
24 import org.junit.jupiter.api.BeforeEach;
25 import org.junit.jupiter.api.Test;
26
27 /**
28 * Tests {@link CloseShieldOutputStream}.
29 */
30 public class ProxyOutputStreamTest {
31
32 private ByteArrayOutputStream original;
33
34 private OutputStream proxied;
35
36 @BeforeEach
37 public void setUp() {
38 original = new ByteArrayOutputStream(){
39 @Override
40 public void write(final byte[] ba) throws IOException {
41 if (ba != null){
42 super.write(ba);
43 }
44 }
45 };
46 proxied = new ProxyOutputStream(original);
47 }
48
49 @Test
50 public void testWrite() throws Exception {
51 proxied.write('y');
52 assertEquals(1, original.size());
53 assertEquals('y', original.toByteArray()[0]);
54 }
55
56 @Test
57 public void testWriteNullBaSucceeds() throws Exception {
58 final byte[] ba = null;
59 original.write(ba);
60 proxied.write(ba);
61 }
62 }