| /* |
| * 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.fileupload.util.mime; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| |
| import java.io.ByteArrayOutputStream; |
| |
| import org.junit.Test; |
| |
| /** |
| * @since 1.3 |
| */ |
| public final class Base64DecoderTestCase { |
| |
| private static final String US_ASCII_CHARSET = "US-ASCII"; |
| |
| /** |
| * Tests RFC 4648 section 10 test vectors. |
| * <ul> |
| * <li>BASE64("") = ""</li> |
| * <li>BASE64("f") = "Zg=="</li> |
| * <li>BASE64("fo") = "Zm8="</li> |
| * <li>BASE64("foo") = "Zm9v"</li> |
| * <li>BASE64("foob") = "Zm9vYg=="</li> |
| * <li>BASE64("fooba") = "Zm9vYmE="</li> |
| * <li>BASE64("foobar") = "Zm9vYmFy"</li> |
| * </ul> |
| * |
| * @see <a href="http://tools.ietf.org/html/rfc4648">http://tools.ietf.org/html/rfc4648</a> |
| */ |
| @Test |
| public void rfc4648Section10Decode() throws Exception { |
| assertEncoded("", ""); |
| assertEncoded("f", "Zg=="); |
| assertEncoded("fo", "Zm8="); |
| assertEncoded("foo", "Zm9v"); |
| assertEncoded("foob", "Zm9vYg=="); |
| assertEncoded("fooba", "Zm9vYmE="); |
| assertEncoded("foobar", "Zm9vYmFy"); |
| } |
| |
| private static void assertEncoded(String clearText, String encoded) throws Exception { |
| byte[] expected = clearText.getBytes(US_ASCII_CHARSET); |
| |
| ByteArrayOutputStream out = new ByteArrayOutputStream(encoded.length()); |
| byte[] encodedData = encoded.getBytes(US_ASCII_CHARSET); |
| Base64Decoder.decode(encodedData, 0, encodedData.length, out); |
| byte[] actual = out.toByteArray(); |
| |
| assertArrayEquals(expected, actual); |
| } |
| |
| } |