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.testtools;
18
19 import java.io.IOException;
20 import java.io.InputStream;
21
22 import junit.framework.AssertionFailedError;
23
24 import org.apache.commons.io.input.ProxyInputStream;
25
26 /**
27 * Helper class for checking behaviour of IO classes.
28 *
29 * @author <a href="mailto:jeremias@apache.org">Jeremias Maerki</a>
30 */
31 public class YellOnCloseInputStream extends ProxyInputStream {
32
33 /**
34 * @param proxy InputStream to delegate to.
35 */
36 public YellOnCloseInputStream(InputStream proxy) {
37 super(proxy);
38 }
39
40 /** @see java.io.InputStream#close() */
41 public void close() throws IOException {
42 throw new AssertionFailedError("close() was called on OutputStream");
43 }
44
45 }