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* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.serial.util;
import junit.framework.TestCase;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import org.jboss.serial.io.JBossObjectInputStream;
import org.jboss.serial.io.JBossObjectOutputStream;
/**
* $Id: StringUtilTestCase.java 339 2006-09-20 15:49:43Z csuconic $
*
* @author <a href="mailto:clebert.suconic@jboss.com">Clebert Suconic</a>
*/
public class StringUtilTestCase extends TestCase
{
public static final String TEST1="123456734982723428734982734982734029873402897340287340298734029873409287349287340298374208374349872349872394872398472938472983742983472983742983472983748912";
public static final String TEST2="\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000\u0080\u0800\u0000";
private static long calculateSizeUsingDataOutput(String str) throws Exception
{
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
DataOutputStream dataOut = new DataOutputStream(byteOut);
dataOut.writeUTF(str);
byte [] producedArray = byteOut.toByteArray();
return producedArray.length-2;
}
public void testLargeStringMultiByte() throws Exception
{
doLargeStringTest(32767, true);
}
public void testLargerStringMultiByte() throws Exception
{
doLargeStringTest(32768, true);
}
protected void doLargeStringTest(int stringSize, boolean multiByteChars) throws Exception
{
StringBuffer sb = new StringBuffer();
int startingChar = multiByteChars ? 210 : 65;
for (int i = 0; i < stringSize; i++) sb.append((char) (startingChar + (i % 26)));
String largeString = sb.toString();
assertEquals(stringSize, largeString.length());
ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
JBossObjectOutputStream objOut = new JBossObjectOutputStream(byteArray);
objOut.writeObject(largeString);
objOut.close();
ByteArrayInputStream byteInput = new ByteArrayInputStream(byteArray.toByteArray());
JBossObjectInputStream objInp = new JBossObjectInputStream(byteInput);
String newString = (String)objInp.readObject();
assertEquals(largeString.length(), newString.length());
assertEquals(largeString,newString);
}
public void testLargeString() throws Exception
{
}
public void testCalculateLen() throws Exception
{
StringUtilBuffer buffer = new StringUtilBuffer(10,10);
String strtest = TEST1;
// This should be 11 according to http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html#modified-utf-8
this.assertEquals(calculateSizeUsingDataOutput(strtest),StringUtil.calculateUTFSize(strtest,buffer));
strtest = TEST1+TEST2;
// This should be 11 + 1 + 2 + 3 + 2 according to http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html#modified-utf-8
this.assertEquals(calculateSizeUsingDataOutput(strtest),StringUtil.calculateUTFSize(strtest,buffer));
}
public void testValidateWrite() throws Exception
{
String str = TEST1;
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
DataOutputStream dataOut = new DataOutputStream(byteOut);
dataOut.writeUTF(str);
byte [] producedArray = byteOut.toByteArray();
byteOut = new ByteArrayOutputStream();
dataOut = new DataOutputStream(byteOut);
StringUtil.saveString(dataOut,str);
byte[] producedArrayByStringUtil = byteOut.toByteArray();
assertEquals (producedArray.length+1,producedArrayByStringUtil.length);
testSame(producedArray, producedArrayByStringUtil);
ByteArrayInputStream byteInput = new ByteArrayInputStream(producedArrayByStringUtil);
DataInputStream dataInput = new DataInputStream(byteInput);
String readString = StringUtil.readString(dataInput, new StringUtilBuffer(10,10));
assertEquals(str,readString);
}
public void testValidateEnconding() throws Throwable
{
StringBuffer buffer = new StringBuffer(10000);
for (char c=1000;c<3000;c+=100)
{
buffer.append(c);
}
String str = buffer.toString();
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
DataOutputStream dataOut = new DataOutputStream(byteOut);
dataOut.writeUTF(str);
byte [] producedArray = byteOut.toByteArray();
byteOut = new ByteArrayOutputStream();
dataOut = new DataOutputStream(byteOut);
StringUtil.saveString(dataOut,str);
byte[] producedArrayByStringUtil = byteOut.toByteArray();
assertEquals (producedArray.length+1,producedArrayByStringUtil.length);
testSame(producedArray, producedArrayByStringUtil);
ByteArrayInputStream byteInput = new ByteArrayInputStream(producedArrayByStringUtil);
DataInputStream dataInput = new DataInputStream(byteInput);
String readString = StringUtil.readString(dataInput, new StringUtilBuffer(100,100));
assertEquals(str.length(),readString.length());
if (!str.equals(readString))
{
fail("String comparisson failure on small buffer");
}
byteInput = new ByteArrayInputStream(producedArrayByStringUtil);
dataInput = new DataInputStream(byteInput);
readString = StringUtil.readString(dataInput, new StringUtilBuffer(10000,10000));
assertEquals(str.length(),readString.length());
if (!str.equals(readString))
{
fail("String comparisson failure on large buffer");
}
}
public void testValidateWriteUsingPartialBuffer() throws Exception
{
String str = TEST1 + TEST2;
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
DataOutputStream dataOut = new DataOutputStream(byteOut);
dataOut.writeUTF(str);
byte [] producedArray = byteOut.toByteArray();
byteOut = new ByteArrayOutputStream();
dataOut = new DataOutputStream(byteOut);
StringUtil.saveString(dataOut,str,new StringUtilBuffer(14,14));
byte[] producedArrayByStringUtil = byteOut.toByteArray();
assertEquals (producedArray.length+1,producedArrayByStringUtil.length);
testSame(producedArray, producedArrayByStringUtil);
}
private void testSame(byte[] producedArray, byte[] producedArrayByStringUtil) {
for (int i=0;i<producedArray.length;i++)
{
if (producedArray[i] != producedArrayByStringUtil[i+1])
{
fail("byte at position " + i + " was different on the string comparisson");
}
}
}
}