private SecureCredentialStorage storage;
    private char[] masterPassword;

    @BeforeEach
    public void setUp() throws Exception {
        masterPassword = "MasterPassword123!@#".toCharArray();
        storage = new SecureCredentialStorage(masterPassword.clone());
    }

    @AfterEach
    public void tearDown() throws Exception {
        if (storage != null && !storage.isDestroyed()) {

        assertFalse(userAuth.isGuest());
        assertFalse(userAuth.isAnonymous());
    }

    /**
     * Test password in equals method
     */
    @Test
    public void testEqualsWithSecurePassword() {
        char[] password1 = "TestPass123!".toCharArray();
        char[] password2 = "TestPass123!".toCharArray();

        char[] basePassword = "supersecretpassword123456789".toCharArray();
        char[] diffAtStart = "Xupersecretpassword123456789".toCharArray();
        char[] diffAtMiddle = "supersecretpXssword123456789".toCharArray();
        char[] diffAtEnd = "supersecretpassword12345678X".toCharArray();

        // Create authenticators

        Object passwordValue = passwordField.get(authenticator);

        assertTrue(passwordValue instanceof char[], "Password should be stored as char[]");
        assertArrayEquals("password123".toCharArray(), (char[]) passwordValue, "Password content should match");
    }

    @Test
    @DisplayName("Test secure password wipe")
    void testSecureWipePassword() throws Exception {

        // Example if you want to combine multiple keystore types
        // KeyStore.Builder.newInstance("PKCS12", null, File("keystore.p12"), PasswordProtection("rosebud".toCharArray()))
      )

    val keyManagerFactory = KeyManagerFactory.getInstance("NewSunX509")
    keyManagerFactory.init(KeyStoreBuilderParameters(builderList))

  public void testCharsIgnored() {
    for (char c : IGNORED.toCharArray()) {
      String str = String.valueOf(c);
      assertEquals(str, c, Ascii.toLowerCase(c));
      assertEquals(str, c, Ascii.toUpperCase(c));
      assertFalse(str, Ascii.isLowerCase(c));
      assertFalse(str, Ascii.isUpperCase(c));
    }
  }

  public void testCharsLower() {
    for (char c : LOWER.toCharArray()) {
      String str = String.valueOf(c);

  public void testCharsIgnored() {
    for (char c : IGNORED.toCharArray()) {
      String str = String.valueOf(c);
      assertEquals(str, c, Ascii.toLowerCase(c));
      assertEquals(str, c, Ascii.toUpperCase(c));
      assertFalse(str, Ascii.isLowerCase(c));
      assertFalse(str, Ascii.isUpperCase(c));
    }
  }

  public void testCharsLower() {
    for (char c : LOWER.toCharArray()) {
      String str = String.valueOf(c);

    CharEscaper wrappingEscaper =
        new ArrayBasedCharEscaper(NO_REPLACEMENTS, 'A', 'Z') {
          @Override
          protected char[] escapeUnsafe(char c) {
            return ("{" + c + "}").toCharArray();
          }
        };
    EscaperAsserts.assertBasic(wrappingEscaper);
    // '[' and '@' lie either side of [A-Z].
    assertThat(wrappingEscaper.escape("[FOO@BAR]")).isEqualTo("{[}FOO{@}BAR{]}");
  }

     * @return The encoded attribute value.
     */
    public static String encodeAttrQuot(final String s) {
        if (s == null) {
            return null;
        }
        final char[] content = s.toCharArray();
        final StringBuilder buf = new StringBuilder(s.length() + 100);
        for (final char element : content) {
            switch (element) {
            case '<':
                buf.append("&lt;");

import java.net.Authenticator
import java.net.PasswordAuthentication

class RecordingAuthenticator(
  private val authentication: PasswordAuthentication? =
    PasswordAuthentication(
      "username",
      "password".toCharArray(),
    ),
) : Authenticator() {
  val calls = mutableListOf<String>()

  override fun getPasswordAuthentication(): PasswordAuthentication? {
    calls.add(