package net.i2p.data;
/*
* free (adj.): unencumbered; not under the control of others
* Written by jrandom in 2003 and released into the public domain
* with no warranty of any kind, either expressed or implied.
* It probably won't make your computer catch on fire, or eat
* your children, but it might. Use at your own risk.
*
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import junit.framework.TestCase;
/**
* @author Comwiz
*/
public class DataStructureImplTest extends TestCase{
DataStructure _struct;
protected void setUp(){
_struct = new DataStructureImpl(){
private int x = 0;
public void writeBytes(OutputStream out) throws IOException, DataFormatException{
if(x++==0)
throw new DataFormatException("let it enfold you", new Exception());
else
throw new IOException();
}
public void readBytes(InputStream in) throws IOException{
throw new IOException();
}
};
}
public void testNulls() throws Exception{
assertNull(_struct.toBase64());
boolean error = false;
try{
_struct.fromBase64(null);
}catch(DataFormatException dfe){
error = true;
}
assertTrue(error);
assertNull(_struct.calculateHash());
error = false;
try{
_struct.fromByteArray(null);
}catch(DataFormatException dfe){
error = true;
}
assertTrue(error);
}
public void testErrors() throws Exception{
boolean error = false;
try{
_struct.fromByteArray(DataHelper.getASCII("water is poison"));
}catch(DataFormatException dfe){
error = true;
}
assertTrue(error);
assertNull(_struct.toByteArray());
assertNull(_struct.toByteArray());
}
}