/*
* 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.
*/
/**
* @author Elena Semukhina
*/
package org.apache.harmony.tests.java.math;
import junit.framework.TestCase;
import java.math.BigInteger;
/**
* Class: java.math.BigInteger
* Method: xor
*/
public class BigIntegerXorTest extends TestCase {
/**
* Xor for zero and a positive number
*/
public void testZeroPos() {
String numA = "0";
String numB = "27384627835298756289327365";
String res = "27384627835298756289327365";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for zero and a negative number
*/
public void testZeroNeg() {
String numA = "0";
String numB = "-27384627835298756289327365";
String res = "-27384627835298756289327365";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for a positive number and zero
*/
public void testPosZero() {
String numA = "27384627835298756289327365";
String numB = "0";
String res = "27384627835298756289327365";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for a negative number and zero
*/
public void testNegPos() {
String numA = "-27384627835298756289327365";
String numB = "0";
String res = "-27384627835298756289327365";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for zero and zero
*/
public void testZeroZero() {
String numA = "0";
String numB = "0";
String res = "0";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for zero and one
*/
public void testZeroOne() {
String numA = "0";
String numB = "1";
String res = "1";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for one and one
*/
public void testOneOne() {
String numA = "1";
String numB = "1";
String res = "0";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two positive numbers of the same length
*/
public void testPosPosSameLength() {
String numA = "283746278342837476784564875684767";
String numB = "293478573489347658763745839457637";
String res = "71412358434940908477702819237626";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two positive numbers; the first is longer
*/
public void testPosPosFirstLonger() {
String numA = "2837462783428374767845648748973847593874837948575684767";
String numB = "293478573489347658763745839457637";
String res = "2837462783428374767845615168483972194300564226167553530";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two positive numbers; the first is shorter
*/
public void testPosPosFirstShorter() {
String numA = "293478573489347658763745839457637";
String numB = "2837462783428374767845648748973847593874837948575684767";
String res = "2837462783428374767845615168483972194300564226167553530";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two negative numbers of the same length
*/
public void testNegNegSameLength() {
String numA = "-283746278342837476784564875684767";
String numB = "-293478573489347658763745839457637";
String res = "71412358434940908477702819237626";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two negative numbers; the first is longer
*/
public void testNegNegFirstLonger() {
String numA = "-2837462783428374767845648748973847593874837948575684767";
String numB = "-293478573489347658763745839457637";
String res = "2837462783428374767845615168483972194300564226167553530";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two negative numbers; the first is shorter
*/
public void testNegNegFirstShorter() {
String numA = "293478573489347658763745839457637";
String numB = "2837462783428374767845648748973847593874837948575684767";
String res = "2837462783428374767845615168483972194300564226167553530";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two numbers of different signs and the same length
*/
public void testPosNegSameLength() {
String numA = "283746278342837476784564875684767";
String numB = "-293478573489347658763745839457637";
String res = "-71412358434940908477702819237628";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two numbers of different signs and the same length
*/
public void testNegPosSameLength() {
String numA = "-283746278342837476784564875684767";
String numB = "293478573489347658763745839457637";
String res = "-71412358434940908477702819237628";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for a negative and a positive numbers; the first is longer
*/
public void testNegPosFirstLonger() {
String numA = "-2837462783428374767845648748973847593874837948575684767";
String numB = "293478573489347658763745839457637";
String res = "-2837462783428374767845615168483972194300564226167553532";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for two negative numbers; the first is shorter
*/
public void testNegPosFirstShorter() {
String numA = "-293478573489347658763745839457637";
String numB = "2837462783428374767845648748973847593874837948575684767";
String res = "-2837462783428374767845615168483972194300564226167553532";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for a positive and a negative numbers; the first is longer
*/
public void testPosNegFirstLonger() {
String numA = "2837462783428374767845648748973847593874837948575684767";
String numB = "-293478573489347658763745839457637";
String res = "-2837462783428374767845615168483972194300564226167553532";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
/**
* Xor for a positive and a negative number; the first is shorter
*/
public void testPosNegFirstShorter() {
String numA = "293478573489347658763745839457637";
String numB = "-2837462783428374767845648748973847593874837948575684767";
String res = "-2837462783428374767845615168483972194300564226167553532";
BigInteger aNumber = new BigInteger(numA);
BigInteger bNumber = new BigInteger(numB);
BigInteger result = aNumber.xor(bNumber);
assertTrue(res.equals(result.toString()));
}
}