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Added test for gcd and isPrime

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Mattrixwv
2021-03-11 11:21:01 -05:00
parent 98cad3c341
commit 8f159c672d
1 changed files with 109 additions and 0 deletions
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109
src/test/java/mattrixwv/TestAlgorithms.java
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@@ -77,6 +77,56 @@ public class TestAlgorithms{
assertEquals("getNumPrimes BigInteger failed", bigCorrectAnswer, bigAnswer);
}
@Test
public void testIsPrime(){
//Test 1
int num = 2;
boolean correctAnswer = true;
boolean answer = Algorithms.isPrime(num);
assertEquals("isPrime Integer 1 failed", correctAnswer, answer);
//Test 2
num = 97;
correctAnswer = true;
answer = Algorithms.isPrime(num);
assertEquals("isPrime Integer 2 failed", correctAnswer, answer);
//Test 3
num = 1000;
correctAnswer = false;
answer = Algorithms.isPrime(num);
assertEquals("isPrime Integer 3 failed", correctAnswer, answer);
//Test 4
long longNum = 2;
correctAnswer = true;
answer = Algorithms.isPrime(longNum);
assertEquals("isPrime Long 1 failed", correctAnswer, answer);
//Test 5
longNum = 97;
correctAnswer = true;
answer = Algorithms.isPrime(longNum);
assertEquals("isPrime Long 2 failed", correctAnswer, answer);
//Test 6
longNum = 1000;
correctAnswer = false;
answer = Algorithms.isPrime(longNum);
assertEquals("isPrime Long 3 failed", correctAnswer, answer);
//Test 7
BigInteger bigNum = BigInteger.TWO;
correctAnswer = true;
answer = Algorithms.isPrime(bigNum);
assertEquals("isPrime BigInteger 1 failed", correctAnswer, answer);
//Test 8
bigNum = BigInteger.valueOf(97);
correctAnswer = true;
answer = Algorithms.isPrime(bigNum);
assertEquals("isPrime BigInteger 2 failed", correctAnswer, answer);
//Test 9
bigNum = BigInteger.valueOf(1000);
correctAnswer = false;
answer = Algorithms.isPrime(bigNum);
assertEquals("isPrime BigInteger 3 failed", correctAnswer, answer);
}
@Test
public void testGetFactors() throws InvalidResult{
//Test 1
ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(2, 2, 5, 5));
@@ -226,6 +276,65 @@ public class TestAlgorithms{
assertEquals("factorial BigInteger 4 failed", correctAnswerBig, answerBig);
}
@Test
public void testGCD(){
//Test 1
int num1 = 2;
int num2 = 3;
int correctAnswer = 1;
int answer = Algorithms.gcd(num1, num2);
assertEquals("testGCD Integer 1 failed", correctAnswer, answer);
//Test 2
num1 = 1000;
num2 = 575;
correctAnswer = 25;
answer = Algorithms.gcd(num1, num2);
assertEquals("testGCD Integer 2 failed", correctAnswer, answer);
//Test 3
num1 = 1000;
num2 = 1000;
correctAnswer = 1000;
answer = Algorithms.gcd(num1, num2);
assertEquals("testGCD Integer 3 failed", correctAnswer, answer);
//Test 4
long longNum1 = 2;
long longNum2 = 3;
long longCorrectAnswer = 1;
long longAnswer = Algorithms.gcd(longNum1, longNum2);
assertEquals("testGCD Long 1 failed", longCorrectAnswer, longAnswer);
//Test 5
longNum1 = 1000;
longNum2 = 575;
longCorrectAnswer = 25;
longAnswer = Algorithms.gcd(longNum1, longNum2);
assertEquals("testGCD Long 2 failed", longCorrectAnswer, longAnswer);
//Test 6
longNum1 = 1000;
longNum2 = 1000;
longCorrectAnswer = 1000;
longAnswer = Algorithms.gcd(longNum1, longNum2);
assertEquals("testGCD Long 3 failed", longCorrectAnswer, longAnswer);
//Test 7
BigInteger bigNum1 = BigInteger.TWO;
BigInteger bigNum2 = BigInteger.valueOf(3);
BigInteger bigCorrectAnswer = BigInteger.ONE;
BigInteger bigAnswer = Algorithms.gcd(bigNum1, bigNum2);
assertEquals("testGCD BigInteger 1 failed", bigCorrectAnswer, bigAnswer);
//Test 8
bigNum1 = BigInteger.valueOf(1000);
bigNum2 = BigInteger.valueOf(575);
bigCorrectAnswer = BigInteger.valueOf(25);
bigAnswer = Algorithms.gcd(bigNum1, bigNum2);
assertEquals("testGCD BigInteger 2 failed", bigCorrectAnswer, bigAnswer);
//Test 9
bigNum1 = BigInteger.valueOf(1000);
bigNum2 = BigInteger.valueOf(1000);
bigCorrectAnswer = BigInteger.valueOf(1000);
bigAnswer = Algorithms.gcd(bigNum1, bigNum2);
assertEquals("testGCD BigInteger 3 failed", bigCorrectAnswer, bigAnswer);
}
@Test
public void testGetSum(){
//Test 1
Integer correctAnswer = 0;