CPPUNIT_ASSERT(n->_children[0]->_comp == go21);
CPPUNIT_ASSERT(n->_children[1]->_comp == go22);
CPPUNIT_ASSERT(n->_children[2]->_comp == go25);
+ CPPUNIT_ASSERT(n->_children[0]->_children[0]->_children[0]->_comp == go20);
+ CPPUNIT_ASSERT(n->_children[2]->_children[0]->_children[0]->_comp == go23);
+ CPPUNIT_ASSERT(n->_children[2]->_children[0]->_children[1]->_comp == go24);
}