Java/src/test/java/com/thealgorithms/others/PasswordGenTest.java at master · TheAlgorithms/Java · GitHub

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packagecom.thealgorithms.others;

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

importorg.junit.jupiter.api.Test;

publicclassPasswordGenTest {

@Test
publicvoidfailGenerationWithSameMinMaxLengthTest() {
intlength = 10;
assertThrows(IllegalArgumentException.class, () -> PasswordGen.generatePassword(length, length));
 }

@Test
publicvoidgenerateOneCharacterPassword() {
StringtempPassword = PasswordGen.generatePassword(1, 2);
assertEquals(1, tempPassword.length());
 }

@Test
publicvoidfailGenerationWithMinLengthSmallerThanMaxLengthTest() {
intminLength = 10;
intmaxLength = 5;
assertThrows(IllegalArgumentException.class, () -> PasswordGen.generatePassword(minLength, maxLength));
 }

@Test
publicvoidgeneratePasswordNonEmptyTest() {
StringtempPassword = PasswordGen.generatePassword(8, 16);
assertTrue(tempPassword.length() != 0);
 }

@Test
publicvoidtestGeneratePasswordWithMinGreaterThanMax() {
Exceptionexception = assertThrows(IllegalArgumentException.class, () -> PasswordGen.generatePassword(12, 8));
assertEquals("Incorrect length parameters: minLength must be <= maxLength and both must be > 0", exception.getMessage());
 }

@Test
publicvoidtestGeneratePasswordWithNegativeLength() {
Exceptionexception = assertThrows(IllegalArgumentException.class, () -> PasswordGen.generatePassword(-5, 10));
assertEquals("Incorrect length parameters: minLength must be <= maxLength and both must be > 0", exception.getMessage());
 }

@Test
publicvoidtestGeneratePasswordWithZeroLength() {
Exceptionexception = assertThrows(IllegalArgumentException.class, () -> PasswordGen.generatePassword(0, 0));
assertEquals("Incorrect length parameters: minLength must be <= maxLength and both must be > 0", exception.getMessage());
 }
}