CacheAndWriteOutputStreamTest.java

/**
 * 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.cxf.io;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.junit.Test;

public class CacheAndWriteOutputStreamTest extends CachedOutputStreamTest {

    ByteArrayOutputStream baos = new ByteArrayOutputStream() {
        boolean isClosed;
        @Override
        public void close() throws IOException {
            if (isClosed) {
                throw new IOException("stream already closed");
            }
            isClosed = true;
        }
    };

    @Override
    protected Object createCache() {
        return new CacheAndWriteOutputStream(baos);
    }

    @Test
    public void testCloseMultipleTimes() throws IOException {
        CacheAndWriteOutputStream cacheAndWriteOutputStream = new CacheAndWriteOutputStream(baos);
        cacheAndWriteOutputStream.close();
        cacheAndWriteOutputStream.close();
        cacheAndWriteOutputStream.close();
        cacheAndWriteOutputStream.close();

    }
}