packagesrc.test.java.com.others;

publicclassFastPowerTest {

}

packagesrc.main.java.com.Others;

package src.test.java.com.others;

importorg.junit.*;

import org.junit.Test;

import src.main.java.com.others.FastPower;

import java.math.BigInteger;

import static org.junit.Assert.*;

public class FastPowerTest {

voidtestLong(longn,longk,longm){

longresult =FastPower.calculate(n,k,m);

@Test

void testLong(long n, long k, long m) {

long result = FastPower.calculate(n, k, m);

assertEquals(result, BigInteger.valueOf(n).modPow(BigInteger.valueOf(k), BigInteger.valueOf(m)).longValue());

}

voidtestBigInteger(BigIntegern,BigIntegerk,BigIntegerm){

BigIntegerresult =FastPower.calculate(n,k,m);

assertEquals(result,n.modPow(k,m));

@Test

void testBigInteger(BigInteger n, BigInteger k, BigInteger m) {

BigInteger result = FastPower.calculate(n, k, m);

assertEquals(result, n.modPow(k, m));

}

@Test

public void test() {

testLong(2,2,10);

testLong(100,1000,20);

testLong(123456,123456789,234);

testLong(2, 2,10);

testLong(100,1000,20);

testLong(123456,123456789,234);

testBigInteger(BigInteger.TEN,BigInteger.TEN,BigInteger.valueOf(4));

testBigInteger(BigInteger.TEN,BigInteger.TEN, BigInteger.valueOf(4));

testBigInteger(new BigInteger("123456"), new BigInteger("123456789"), new BigInteger("234"));

testBigInteger(new BigInteger("123456789101112"), new BigInteger("12345678910111213"), new BigInteger("567890"));