| package org.apache.commons.jcs3.utils.zip; |
| |
| /* |
| * 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. |
| */ |
| |
| import junit.framework.TestCase; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.zip.GZIPOutputStream; |
| |
| /** Unit tests for the compression util */ |
| public class CompressionUtilUnitTest |
| extends TestCase |
| { |
| /** Test method for decompressByteArray. */ |
| public final void testDecompressByteArray_failure() |
| { |
| try |
| { |
| // DO WORK |
| CompressionUtil.decompressByteArray( null ); |
| |
| // VERIFY |
| fail( "excepted an IllegalArgumentException" ); |
| } |
| catch ( final IllegalArgumentException exception ) |
| { |
| // expected |
| return; |
| } |
| } |
| |
| /** |
| * Test method for decompressByteArray. |
| * <p> |
| * @throws IOException |
| */ |
| public final void testCompressDecompressByteArray_success() |
| throws IOException |
| { |
| // SETUP |
| final String text = "This is some text to compress, not a lot, just a bit "; |
| |
| // DO WORK |
| final byte[] compressedText = CompressionUtil.compressByteArray( text.getBytes() ); |
| final byte[] output = CompressionUtil.decompressByteArray( compressedText ); |
| |
| // VERIFY |
| final String result = new String( output ); |
| assertNotNull( "decompressed output stream shouldn't have been null ", output ); |
| assertEquals( text, result ); |
| } |
| |
| /** |
| * Test method for decompressByteArray. |
| * <p> |
| * @throws IOException |
| */ |
| public final void testCompressDecompressGzipByteArray_success() |
| throws IOException |
| { |
| // SETUP |
| final String text = " This is some text to compress, not a lot, just a bit "; |
| |
| final ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| final GZIPOutputStream os = new GZIPOutputStream( baos ); |
| |
| os.write( text.getBytes() ); |
| os.flush(); |
| os.close(); |
| |
| // DO WORK |
| final byte[] output = CompressionUtil.decompressGzipByteArray( baos.toByteArray() ); |
| |
| // VERIFY |
| final String result = new String( output ); |
| assertNotNull( "decompressed output stream shouldn't have been null ", output ); |
| assertEquals( text, result ); |
| } |
| } |