/**
* 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 java.io.ByteArrayOutputStream;
import java.util.Random;
public class CRLFOutputStreamTest {
@org.junit.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());
}
@org.junit.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());
}
@org.junit.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());
}
@org.junit.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') {
if (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();
}
}