Java/src/test/java/com/thealgorithms/maths/PollardRhoTest.java at master · TheAlgorithms/Java · GitHub

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packagecom.thealgorithms.maths;

importstaticorg.junit.jupiter.api.Assertions.assertEquals;
importstaticorg.junit.jupiter.api.Assertions.assertThrows;

importorg.junit.jupiter.api.Test;

classPollardRhoTest {

@Test
voidtestPollardRhoForNumber315MustReturn5() {
// given
intnumber = 315;
intexpectedResult = 5;

// when
intactualResult = PollardRho.pollardRho(number);

// then
assertEquals(expectedResult, actualResult);
 }

@Test
voidtestPollardRhoForNumber187MustReturn11() {
// given
intnumber = 187;
intexpectedResult = 11;

// when
intactualResult = PollardRho.pollardRho(number);

// then
assertEquals(expectedResult, actualResult);
 }

@Test
voidtestPollardRhoForNumber239MustThrowException() {
// given
intnumber = 239;
StringexpectedMessage = "GCD cannot be found.";

// when
Exceptionexception = assertThrows(RuntimeException.class, () -> { PollardRho.pollardRho(number); });
StringactualMessage = exception.getMessage();

// then
assertEquals(expectedMessage, actualMessage);
 }
}