/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.io.output;
import java.io.IOException;
import java.io.OutputStream;
import junit.framework.TestCase;
/**
* JUnit Test Case for {@link CloseShieldOutputStream}.
*/
public class CloseShieldOutputStreamTest extends TestCase {
private ByteArrayOutputStream original;
private OutputStream shielded;
private boolean closed;
protected void setUp() {
original = new ByteArrayOutputStream() {
public void close() {
closed = true;
}
};
shielded = new CloseShieldOutputStream(original);
closed = false;
}
/**
* Test the <code>close()</code> method.
*/
public void testClose() throws IOException {
shielded.close();
assertFalse("closed", closed);
try {
shielded.write('x');
fail("write(b)");
} catch (IOException e) {
// expected
}
original.write('y');
assertEquals(1, original.size());
assertEquals('y', original.toByteArray()[0]);
}
}