/*
 * Copyright 2004-2011 the Seasar Foundation and the Others.
 *
 * Licensed 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.seasar.teeda.core.util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;

import org.seasar.framework.exception.IORuntimeException;
import org.seasar.teeda.core.unit.TeedaTestCase;

/**
 * @author shot
 */
public class GZIPOutputStreamUtilTest extends TeedaTestCase {

    public void testGetOutputStream() throws Exception {
        OutputStream out = new ByteArrayOutputStream();
        OutputStream o = null;
        try {
            o = GZIPOutputStreamUtil.getOutputStream(out);
            assertNotNull(o);
            assertTrue(o instanceof GZIPOutputStream);
        } finally {
            o.close();
        }
    }

    public void testGetOutputStream_throwIOException() throws Exception {
        OutputStream out = new IOExceptionOccurOutputStream();
        try {
            GZIPOutputStreamUtil.getOutputStream(out);
            fail();
        } catch (IORuntimeException e) {
            success();
        }
    }

    private static class IOExceptionOccurOutputStream extends OutputStream {

        public void write(int arg0) throws IOException {
            throw new IOException();
        }

    }
}
