@Test
public void testUnregister() throws LdapException
{
AttributeType at0 = new AttributeType( "1.1" );
at0.addName( "t", "test", "Test", "T" );
atRegistry.register( at0 );
atRegistry.unregister( "1.1" );
assertFalse( atRegistry.contains( "1.1" ) );
assertFalse( atRegistry.contains( "t" ) );