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* Copyright 2003,2004 The Apache Software Foundation.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.io.testtools;
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import java.io.IOException;
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import java.io.InputStream;
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import junit.framework.AssertionFailedError;
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import org.apache.commons.io.input.ProxyInputStream;
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* Helper class for checking behaviour of IO classes.
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* @author <a href="mailto:jeremias@apache.org">Jeremias Maerki</a>
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public class YellOnCloseInputStream extends ProxyInputStream {
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* @param proxy InputStream to delegate to.
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public YellOnCloseInputStream(InputStream proxy) {
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/** @see java.io.InputStream#close() */
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public void close() throws IOException {
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throw new AssertionFailedError("close() was called on OutputStream");