ldapChain.delete(user);

        assertEquals(user, testLdapManager.deletedUser);
        assertTrue(testLdapManager.deleteCalled);
    }

    public void test_delete_withNullUser() {
        // Test delete with null user
        ldapChain.delete(null);

        assertNull(testLdapManager.deletedUser);
        assertTrue(testLdapManager.deleteCalled);
    }

		// If user is set to "disabled", we will remove them
		// subsequently.
		if !u.Enabled {
			expiredUsers = append(expiredUsers, parentUser)
		}
	}

	// We ignore any errors
	_ = sys.store.DeleteUsers(ctx, expiredUsers)
}

// purgeExpiredCredentialsForLDAP - validates if local credentials are still
// valid by checking LDAP server if the relevant users are still present.

	}

	if revoked {
		cache.updatedAt = time.Now()
	}

	return nil
}

// DeleteUsers - given a set of users or access keys, deletes them along with
// any derived credentials (STS or service accounts) and any associated policy
// mappings.
func (store *IAMStoreSys) DeleteUsers(ctx context.Context, users []string) error {
	cache := store.lock()
	defer store.unlock()

	var deleted bool