/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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 eu.stratosphere.test.testPrograms.util.tests;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
import eu.stratosphere.test.recordJobs.util.Tuple;
public class TupleTest {
@Test
public void testTupleByteArrayShortArrayInt() {
String tupleStr = "attr1|attr2|3|4|attr5|";
int[] offsets = {0,6,12,14,16,22};
Tuple t1 = new Tuple(tupleStr.getBytes(),offsets,5);
Assert.assertTrue(t1.getBytes().length == tupleStr.getBytes().length);
for(int i=0;i<t1.getBytes().length;i++) {
Assert.assertTrue(t1.getBytes()[i] == tupleStr.getBytes()[i]);
}
Assert.assertTrue(t1.getNumberOfColumns() == 5);
Assert.assertTrue(t1.getStringValueAt(0).equals("attr1"));
Assert.assertTrue(t1.getStringValueAt(1).equals("attr2"));
Assert.assertTrue(t1.getLongValueAt(2) == 3);
Assert.assertTrue(t1.getLongValueAt(3) == 4);
Assert.assertTrue(t1.getStringValueAt(4).equals("attr5"));
}
@Test
public void testGetNumberOfColumns() {
Tuple t = new Tuple();
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a");
Assert.assertTrue(t.getNumberOfColumns() == 1);
t.addAttribute("b");
Assert.assertTrue(t.getNumberOfColumns() == 2);
t.addAttribute("aasdfasd|fasdf");
Assert.assertTrue(t.getNumberOfColumns() == 3);
String tupleStr = "attr1|attr2|3|4|attr5|";
int[] offsets = {0,6,12,14,16,22};
t = new Tuple(tupleStr.getBytes(),offsets,5);
Assert.assertTrue(t.getNumberOfColumns() == 5);
}
@Test
public void testGetBytes() {
Tuple t1 = new Tuple();
String[] values = {"a","b","cdefgh","2342432","Adasdfee324324D"};
for(String val : values) {
t1.addAttribute(val);
}
String exp1 = "";
for(int i=0;i<values.length;i++) {
exp1 += values[i]+"|";
}
byte[] ret1 = t1.getBytes();
for(int i=0;i<exp1.getBytes().length;i++) {
Assert.assertTrue(ret1[i] == exp1.getBytes()[i]);
}
Assert.assertTrue(ret1[exp1.getBytes().length+1] == 0);
String tupleStr = "attr1|attr2|3|4|attr5|";
int[] offsets = {0,6,12,14,16,22};
Tuple t2 = new Tuple(tupleStr.getBytes(),offsets,5);
byte[] ret2 = t2.getBytes();
Assert.assertTrue(ret2.length == tupleStr.getBytes().length);
for(int i=0;i<tupleStr.getBytes().length;i++) {
Assert.assertTrue(ret2[i] == tupleStr.getBytes()[i]);
}
}
@Test
public void testGetColumnLength() {
Tuple t = new Tuple();
Assert.assertTrue(t.getColumnLength(1) == -1);
Assert.assertTrue(t.getColumnLength(0) == -1);
Assert.assertTrue(t.getColumnLength(-1) == -1);
t.addAttribute("a");
Assert.assertTrue(t.getColumnLength(0) == 1);
t.addAttribute("b");
Assert.assertTrue(t.getColumnLength(1) == 1);
t.addAttribute("aasdfasd|fasdf");
Assert.assertTrue(t.getColumnLength(2) == 14);
String tupleStr = "attr1|attr2|3|4|attr5|";
int[] offsets = {0,6,12,14,16,22};
t = new Tuple(tupleStr.getBytes(),offsets,5);
Assert.assertTrue(t.getColumnLength(0) == 5);
Assert.assertTrue(t.getColumnLength(1) == 5);
Assert.assertTrue(t.getColumnLength(2) == 1);
Assert.assertTrue(t.getColumnLength(3) == 1);
Assert.assertTrue(t.getColumnLength(4) == 5);
}
@Test
public void testConcatenate() {
Tuple t0 = new Tuple();
Tuple t1 = new Tuple();
Tuple t2 = new Tuple();
// check handling of empty tuples
t0.concatenate(t1);
Assert.assertTrue(t0.getNumberOfColumns() == 0);
t1.addAttribute("a");
t1.concatenate(t0);
Assert.assertTrue(t1.getNumberOfColumns() == 1);
Assert.assertTrue(t1.getStringValueAt(0).equals("a"));
t0.concatenate(t1);
Assert.assertTrue(t0.getNumberOfColumns() == 1);
Assert.assertTrue(t0.getStringValueAt(0).equals("a"));
t1.addAttribute("b");
t1.addAttribute("c");
t2.addAttribute("z");
t2.addAttribute("y");
t2.addAttribute("x");
t2.concatenate(t1);
// check tuple t2
Assert.assertTrue(t2.getNumberOfColumns() == 6);
Assert.assertTrue(t2.getStringValueAt(0).equals("z"));
Assert.assertTrue(t2.getStringValueAt(1).equals("y"));
Assert.assertTrue(t2.getStringValueAt(2).equals("x"));
Assert.assertTrue(t2.getStringValueAt(3).equals("a"));
Assert.assertTrue(t2.getStringValueAt(4).equals("b"));
Assert.assertTrue(t2.getStringValueAt(5).equals("c"));
t1.concatenate(t2);
// check tuple t1
Assert.assertTrue(t1.getNumberOfColumns() == 9);
Assert.assertTrue(t1.getStringValueAt(0).equals("a"));
Assert.assertTrue(t1.getStringValueAt(1).equals("b"));
Assert.assertTrue(t1.getStringValueAt(2).equals("c"));
Assert.assertTrue(t1.getStringValueAt(3).equals("z"));
Assert.assertTrue(t1.getStringValueAt(4).equals("y"));
Assert.assertTrue(t1.getStringValueAt(5).equals("x"));
Assert.assertTrue(t1.getStringValueAt(6).equals("a"));
Assert.assertTrue(t1.getStringValueAt(7).equals("b"));
Assert.assertTrue(t1.getStringValueAt(8).equals("c"));
// check tuple t2
Assert.assertTrue(t2.getNumberOfColumns() == 6);
Assert.assertTrue(t2.getStringValueAt(0).equals("z"));
Assert.assertTrue(t2.getStringValueAt(1).equals("y"));
Assert.assertTrue(t2.getStringValueAt(2).equals("x"));
Assert.assertTrue(t2.getStringValueAt(3).equals("a"));
Assert.assertTrue(t2.getStringValueAt(4).equals("b"));
Assert.assertTrue(t2.getStringValueAt(5).equals("c"));
}
@Test
public void testProject() {
Tuple t = new Tuple();
t.project(1);
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a");
t.project(0);
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a");
t.addAttribute("b");
t.project(2);
Assert.assertTrue(t.getNumberOfColumns() == 1);
Assert.assertTrue(t.getStringValueAt(0).equals("b"));
t.addAttribute("c");
t.addAttribute("d");
t.project(5);
Assert.assertTrue(t.getNumberOfColumns() == 2);
Assert.assertTrue(t.getStringValueAt(0).equals("b"));
Assert.assertTrue(t.getStringValueAt(1).equals("d"));
t.project(0);
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a");
t.addAttribute("b");
t.addAttribute("c");
t.addAttribute("d");
t.project(11);
Assert.assertTrue(t.getNumberOfColumns() == 3);
Assert.assertTrue(t.getStringValueAt(2).equals("d"));
t.project(23);
Assert.assertTrue(t.getNumberOfColumns() == 3);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getStringValueAt(1).equals("b"));
Assert.assertTrue(t.getStringValueAt(2).equals("d"));
t.project(-1);
Assert.assertTrue(t.getNumberOfColumns() == 3);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getStringValueAt(1).equals("b"));
Assert.assertTrue(t.getStringValueAt(2).equals("d"));
}
@Test
public void testCompareStringAttribute() {
Tuple t1 = new Tuple();
Tuple t2 = new Tuple();
t1.addAttribute("a");
t1.addAttribute("b");
t1.addAttribute("ccccc");
t2.addAttribute("a");
t2.addAttribute("bb");
t2.addAttribute("ccccc");
t2.addAttribute("z");
Assert.assertTrue(t1.compareStringAttribute(t2, 0, 0) == 0);
Assert.assertTrue(t1.compareStringAttribute(t2, 0, 1) < 0);
Assert.assertTrue(t1.compareStringAttribute(t2, 1, 1) < 0);
Assert.assertTrue(t1.compareStringAttribute(t2, 2, 2) == 0);
Assert.assertTrue(t1.compareStringAttribute(t2, 2, 3) < 0);
Assert.assertTrue(t2.compareStringAttribute(t1, 0, 0) == 0);
Assert.assertTrue(t2.compareStringAttribute(t1, 1, 0) > 0);
Assert.assertTrue(t2.compareStringAttribute(t1, 1, 1) > 0);
Assert.assertTrue(t2.compareStringAttribute(t1, 2, 2) == 0);
Assert.assertTrue(t2.compareStringAttribute(t1, 3, 2) > 0);
Assert.assertTrue(t1.compareStringAttribute(t1, 0, 0) == 0);
Assert.assertTrue(t1.compareStringAttribute(t1, 1, 1) == 0);
Assert.assertTrue(t1.compareStringAttribute(t1, 2, 2) == 0);
Assert.assertTrue(t1.compareStringAttribute(t1, 0, 1) < 0);
Assert.assertTrue(t1.compareStringAttribute(t1, 2, 1) > 0);
// check for out-of-bounds values
boolean exceptionThrown = false;
try {
t1.compareStringAttribute(t1, 0, 3);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t1.compareStringAttribute(t1, 4, 0);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test
public void testCompareIntAttribute() {
Tuple t1 = new Tuple();
t1.addAttribute("1");
t1.addAttribute("2");
t1.addAttribute("112315412");
t1.addAttribute(Integer.MAX_VALUE+"");
t1.addAttribute("-1");
t1.addAttribute(Integer.MIN_VALUE+"");
// check identical values
Assert.assertTrue(t1.compareIntAttribute(t1, 0, 0) == 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 1, 1) == 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 2, 2) == 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 3, 3) == 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 4, 4) == 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 5, 5) == 0);
// check unequal values
Assert.assertTrue(t1.compareIntAttribute(t1, 0, 1) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 1, 0) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 1, 2) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 2, 1) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 2, 3) < 0);
// check negative values
Assert.assertTrue(t1.compareIntAttribute(t1, 0, 4) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 4, 0) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 4, 5) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 5, 4) < 0);
// check for non-existing attributes
boolean exceptionThrown = false;
try {
t1.compareIntAttribute(t1, 0, 6);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t1.compareIntAttribute(t1, 7, 0);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test
public void testGetStringValueAt() {
Tuple t = new Tuple();
String[] testStrings = {"a","b","123123","Hello world!","Test with p|pe","!ยง$%&/()=*'.:,;-_#+'`}][{"};
for(String testString : testStrings) {
t.addAttribute(testString);
}
// check for same value
for(int i=0;i<testStrings.length;i++) {
Assert.assertTrue(t.getStringValueAt(i).equals(testStrings[i]));
}
// check for out-of-bounds values
boolean exceptionThrown = false;
try {
t.getStringValueAt(-1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getStringValueAt(testStrings.length);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getStringValueAt(testStrings.length+1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test
public void testGetLongValueAt() {
Tuple t = new Tuple();
long[] testVals = {0,1,2,1234123,-1,-1212312, Long.MIN_VALUE, Long.MAX_VALUE};
for(long testVal : testVals) {
t.addAttribute(testVal+"");
}
// check for same value
for(int i=0;i<testVals.length;i++) {
Assert.assertTrue(t.getLongValueAt(i) == testVals[i]);
}
// check for out-of-bounds values
boolean exceptionThrown = false;
try {
t.getLongValueAt(-1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getLongValueAt(testVals.length);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getLongValueAt(testVals.length+1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
// check for invalid format exception
t.addAttribute("abc");
exceptionThrown = false;
try {
t.getLongValueAt(testVals.length);
} catch(NumberFormatException nfe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test
public void testGetByteArrayValueAt() {
Tuple t = new Tuple();
String[] testStrings = {"a","b","123123","Hello world!","Test with p|pe"};
for(String testString : testStrings) {
t.addAttribute(testString);
}
// check for same value
for(int i=0;i<testStrings.length;i++) {
byte[] att = t.getByteArrayValueAt(i);
Assert.assertTrue(att.length == (testStrings[i]).getBytes().length);
for(int j=0;j<att.length;j++) {
Assert.assertTrue(att[j] == testStrings[i].getBytes()[j]);
}
}
// check for out-of-bounds values
boolean exceptionThrown = false;
try {
t.getByteArrayValueAt(-1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getByteArrayValueAt(testStrings.length);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
exceptionThrown = false;
try {
t.getByteArrayValueAt(testStrings.length+1);
} catch(IndexOutOfBoundsException ioobe) {
exceptionThrown = true;
}
Assert.assertTrue(exceptionThrown);
}
@Test
public void testReserveSpace() {
Tuple t = new Tuple();
t.addAttribute("a");
t.addAttribute("b");
t.addAttribute("cde");
t.reserveSpace(512);
Assert.assertTrue(t.getNumberOfColumns() == 3);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getStringValueAt(1).equals("b"));
Assert.assertTrue(t.getStringValueAt(2).equals("cde"));
Assert.assertTrue(t.getBytes().length == 512);
t.reserveSpace(20);
Assert.assertTrue(t.getNumberOfColumns() == 3);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getStringValueAt(1).equals("b"));
Assert.assertTrue(t.getStringValueAt(2).equals("cde"));
Assert.assertTrue(t.getBytes().length == 512);
}
@Test
public void testCompact() {
Tuple t = new Tuple();
t.addAttribute("Hello world!");
Assert.assertTrue(t.getBytes().length == 256);
t.compact();
Assert.assertTrue(t.getBytes().length == 13);
byte[] ba = new byte[1024];
int[] of = {0};
t = new Tuple(ba, of, 0);
Assert.assertTrue(t.getBytes().length == 1024);
t.compact();
Assert.assertTrue(t.getBytes().length == 0);
ba = "attr1|attr2|3|4|attr5|thisdoesnotbelongtothetuple".getBytes();
int[] of2 = {0,6,12,14,16,22};
t = new Tuple(ba, of2, 5);
Assert.assertTrue(t.getBytes().length == ba.length);
t.compact();
Assert.assertTrue(t.getBytes().length == 22);
}
@Test
public void testAddAttributeByteArray() {
Tuple t = new Tuple();
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a".getBytes());
Assert.assertTrue(t.getNumberOfColumns() == 1);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getBytes().length == 256);
t.compact();
t.addAttribute("123345".getBytes());
Assert.assertTrue(t.getNumberOfColumns() == 2);
Assert.assertTrue(t.getLongValueAt(1) == 123345);
Assert.assertTrue(t.getBytes().length == 9);
t.addAttribute("adfasdfg".getBytes());
Assert.assertTrue(t.getNumberOfColumns() == 3);
byte[] ret = t.getByteArrayValueAt(2);
Assert.assertTrue(ret.length == "adfasdfg".getBytes().length);
for(int i=0;i<ret.length;i++) {
Assert.assertTrue(ret[i] == "adfasdfg".getBytes()[i]);
}
Assert.assertTrue(t.getBytes().length == 18);
}
@Test
public void testAddAttributeFromKVRecord() {
Tuple t1 = new Tuple();
t1.addAttribute("a");
t1.addAttribute("123345");
t1.addAttribute("adfasdfg");
Tuple t2 = new Tuple();
Assert.assertTrue(t2.getNumberOfColumns() == 0);
t2.addAttributeFromKVRecord(t1, 1);
Assert.assertTrue(t2.getNumberOfColumns() == 1);
Assert.assertTrue(t2.getLongValueAt(0) == 123345);
Assert.assertTrue(t2.getBytes().length == 256);
t2.compact();
t2.addAttributeFromKVRecord(t1, 2);
Assert.assertTrue(t2.getNumberOfColumns() == 2);
byte[] ret = t2.getByteArrayValueAt(1);
Assert.assertTrue(ret.length == "adfasdfg".getBytes().length);
for(int i=0;i<ret.length;i++) {
Assert.assertTrue(ret[i] == "adfasdfg".getBytes()[i]);
}
Assert.assertTrue(t2.getBytes().length == 16);
t2.addAttributeFromKVRecord(t1, 0);
Assert.assertTrue(t2.getNumberOfColumns() == 3);
Assert.assertTrue(t2.getStringValueAt(2).equals("a"));
Assert.assertTrue(t2.getBytes().length == 18);
}
@Test
public void testAddAttributeString() {
Tuple t = new Tuple();
Assert.assertTrue(t.getNumberOfColumns() == 0);
t.addAttribute("a");
Assert.assertTrue(t.getNumberOfColumns() == 1);
Assert.assertTrue(t.getStringValueAt(0).equals("a"));
Assert.assertTrue(t.getBytes().length == 256);
t.compact();
t.addAttribute(123345+"");
Assert.assertTrue(t.getNumberOfColumns() == 2);
Assert.assertTrue(t.getLongValueAt(1) == 123345);
Assert.assertTrue(t.getBytes().length == 9);
t.addAttribute("adfasdfg");
Assert.assertTrue(t.getNumberOfColumns() == 3);
byte[] ret = t.getByteArrayValueAt(2);
Assert.assertTrue(ret.length == "adfasdfg".getBytes().length);
for(int i=0;i<ret.length;i++) {
Assert.assertTrue(ret[i] == "adfasdfg".getBytes()[i]);
}
Assert.assertTrue(t.getBytes().length == 18);
}
@Test
public void testSerialization() {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
Tuple t = new Tuple();
t.addAttribute("Hello world!");
try {
t.write(dos);
} catch (IOException e1) {
e1.printStackTrace();
}
t.addAttribute("2ndAttribute");
try {
t.write(dos);
} catch (IOException e) {
e.printStackTrace();
}
byte[] ba = "attr1|attr2|3|4|attr5|thisdoesnotbelongtothetuple".getBytes();
int[] of2 = {0,6,12,14,16,22};
t = new Tuple(ba, of2, 5);
try {
t.write(dos);
} catch (IOException e) {
e.printStackTrace();
}
try {
dos.flush();
baos.flush();
} catch (IOException e) {
e.printStackTrace();
}
byte[] data = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais);
try {
dos.close();
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
t = new Tuple();
try {
t.read(dis);
Assert.assertTrue(t.getNumberOfColumns() == 1);
Assert.assertTrue(t.getStringValueAt(0).equals("Hello world!"));
Assert.assertTrue(t.toString().equals("Hello world!|"));
} catch (IOException e) {
e.printStackTrace();
}
t = new Tuple();
try {
t.read(dis);
Assert.assertTrue(t.getNumberOfColumns() == 2);
Assert.assertTrue(t.getStringValueAt(0).equals("Hello world!"));
Assert.assertTrue(t.getStringValueAt(1).equals("2ndAttribute"));
Assert.assertTrue(t.toString().equals("Hello world!|2ndAttribute|"));
} catch (IOException e) {
e.printStackTrace();
}
t = new Tuple();
try {
t.read(dis);
Assert.assertTrue(t.getNumberOfColumns() == 5);
Assert.assertTrue(t.getStringValueAt(0).equals("attr1"));
Assert.assertTrue(t.getStringValueAt(1).equals("attr2"));
Assert.assertTrue(t.getLongValueAt(2) == 3);
Assert.assertTrue(t.getLongValueAt(3) == 4);
Assert.assertTrue(t.getStringValueAt(4).equals("attr5"));
Assert.assertTrue(t.toString().equals("attr1|attr2|3|4|attr5|"));
} catch (IOException e) {
e.printStackTrace();
}
try {
dis.close();
bais.close();
} catch (IOException e) {
e.printStackTrace();
}
}
@Test
public void testToString() {
Tuple t = new Tuple();
t.addAttribute("Hello world!");
Assert.assertTrue(t.toString().equals("Hello world!|"));
t.addAttribute("2ndValue");
Assert.assertTrue(t.toString().equals("Hello world!|2ndValue|"));
byte[] ba = "attr1|attr2|3|4|attr5|thisdoesnotbelongtothetuple".getBytes();
int[] of2 = {0,6,12,14,16,22};
t = new Tuple(ba, of2, 5);
Assert.assertTrue(t.toString().equals("attr1|attr2|3|4|attr5|"));
}
}