| /** |
| * 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.wss4j.common.attachment; |
| |
| import org.apache.wss4j.common.util.CRLFOutputStream; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.util.Random; |
| |
| public class CRLFOutputStreamTest { |
| |
| @Test |
| public void testBytePerByte() throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| CRLFOutputStream crlfOutputStream = new CRLFOutputStream(baos); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('a'); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('\r'); |
| crlfOutputStream.write('\n'); |
| crlfOutputStream.write('a'); |
| crlfOutputStream.write('a'); |
| crlfOutputStream.write('a'); |
| crlfOutputStream.close(); |
| Assert.assertArrayEquals("\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\na\r\n\r\naaa".getBytes(), baos.toByteArray()); |
| } |
| |
| @Test |
| public void testBytes() throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| CRLFOutputStream crlfOutputStream = new CRLFOutputStream(baos); |
| crlfOutputStream.write("\n\r\r\n\n\n\r\r\ra\n\r\naaa".getBytes()); |
| crlfOutputStream.close(); |
| Assert.assertArrayEquals("\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\na\r\n\r\naaa".getBytes(), baos.toByteArray()); |
| } |
| |
| @Test |
| public void testBytes1() throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| CRLFOutputStream crlfOutputStream = new CRLFOutputStream(baos); |
| crlfOutputStream.write("aaaaaaaaaa".getBytes()); |
| crlfOutputStream.close(); |
| Assert.assertArrayEquals("aaaaaaaaaa".getBytes(), baos.toByteArray()); |
| } |
| |
| @Test |
| public void testRandom() throws Exception { |
| byte[] pool = new byte[] {'\r', '\n', 'a'}; |
| Random random = new Random(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| CRLFOutputStream crlfOutputStream = new CRLFOutputStream(baos); |
| |
| ByteArrayOutputStream testString = new ByteArrayOutputStream(); |
| |
| for (int h = 0; h < 10000; h++) { |
| if (random.nextBoolean()) { |
| byte b = pool[random.nextInt(pool.length)]; |
| testString.write(b); |
| crlfOutputStream.write(b); |
| } else { |
| int byteCount = random.nextInt(1000); |
| byte[] bytes = new byte[byteCount]; |
| for (int i = 0; i < byteCount; i++) { |
| bytes[i] = pool[random.nextInt(pool.length)]; |
| } |
| testString.write(bytes); |
| crlfOutputStream.write(bytes); |
| } |
| } |
| |
| crlfOutputStream.close(); |
| byte[] res = baos.toByteArray(); |
| for (int i = 0; i < res.length; i++) { |
| byte re = res[i]; |
| if (re == '\r') { |
| if (res[i + 1] != '\n') { |
| throw new Exception("Missing \\n in\n" + createEscapedString(res) + "\n input string: " + createEscapedString(testString.toByteArray())); |
| } |
| } else if (re == '\n' && res[i - 1] != '\r') { |
| throw new Exception("Missing \\r in\n" + createEscapedString(res) + "\n input string: " + createEscapedString(testString.toByteArray())); |
| } |
| } |
| } |
| |
| private String createEscapedString(byte[] bytes) { |
| StringBuilder stringBuilder = new StringBuilder(); |
| for (int i = 0; i < bytes.length; i++) { |
| byte aByte = bytes[i]; |
| if (aByte == '\r') { |
| stringBuilder.append("\\r"); |
| } else if (aByte == '\n') { |
| stringBuilder.append("\\n"); |
| } else { |
| stringBuilder.append((char)aByte); |
| } |
| } |
| return stringBuilder.toString(); |
| } |
| } |