}

        assertEquals(1, chain.deleteCalls.size());
    }

    // Test changePassword with valid credentials
    @Test
    public void test_changePassword_success() {
        TestAuthenticationChain chain = new TestAuthenticationChain();
        chain.changePasswordResult = true;

        boolean result = chain.changePassword("testuser", "newpassword123");

        assertTrue(result);

        assertEquals(user, chain3.lastUpdatedUser);
    }

    // Test changePassword with no chains
    @Test
    public void test_changePassword_noChains() {
        boolean result = authenticationManager.changePassword("testuser", "newpass");
        assertTrue(result); // Returns true when no chains present
    }

    // Test changePassword with single chain success
    @Test

     */
    public void changePassword(final String username, final String password) {
        if (logger.isDebugEnabled()) {
            logger.debug("Password change initiated for user: username={}", username);
        }

        try {
            final boolean changed = ComponentUtil.getAuthenticationManager().changePassword(username, password);
            if (changed) {

        return asIndexHtml();
    }

    /**
     * Changes the user password.
     *
     * @param form the profile form
     * @return the HTML response
     */
    @Execute
    public HtmlResponse changePassword(final ProfileForm form) {
        final VaErrorHook toIndexPage = () -> {
            form.clearSecurityInfo();
            return asIndexHtml();
        };
        validatePasswordForm(form, toIndexPage);

							<span class="input-group-text">
								<i class="fa fa-lock fa-fw" aria-hidden="true"></i>
							</span>
						</div>
					</div>
					<div class="text-center">
						<button type="submit" name="changePassword"
							class="btn btn-primary btn-block"
							value="<la:message key="labels.login.update"/>">
							<i class="fa fa-pencil-alt" aria-hidden="true"></i>
							<la:message key="labels.login.update" />
						</button>

        // Test successful password change when LDAP admin sync is disabled
        testLdapManager.changePasswordResult = true;
        testFessConfig.ldapAdminSyncPassword = false;

        boolean result = ldapChain.changePassword("testuser", "newpassword");

        assertFalse(result); // returns !changed || syncPassword = !true || false = false
        assertEquals("testuser", testLdapManager.changePasswordUsername);

     *
     * @param form the password form containing new password and confirmation
     * @return the HTML response after password change attempt
     */
    @Execute
    public HtmlResponse changePassword(final PasswordForm form) {
        final VaErrorHook toIndexPage = () -> {
            form.clearSecurityInfo();

							styleClass="btn btn-default">
							<i class="fa fa-arrow-circle-left" aria-hidden="true"></i>
							<la:message key="labels.profile.back" />
						</la:link>
						<button type="submit" name="changePassword"
							class="btn btn-success"
							value="<la:message key="labels.profile.update"/>">
							<i class="fa fa-pencil-alt" aria-hidden="true"></i>
							<la:message key="labels.profile.update" />
						</button>

        });
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Blank username should return false
        assertFalse(ldapManager.changePassword("", "newPassword"));
        assertFalse(ldapManager.changePassword("   ", "newPassword"));
    }

    @Test
    public void test_changePassword_withNullPassword() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {

     * @return true if the password was changed successfully, false otherwise
     * @throws LdapOperationException if the user is not found in LDAP
     */
    public boolean changePassword(final String username, final String password) {
        // Add defensive null/blank checks
        if (StringUtil.isBlank(username) || StringUtil.isBlank(password)) {