# tests const vertex iterators.
CREATE 3 1
ADD_VERTEX A
ADD_VERTEX B
ADD_VERTEX C
VERTEX_ITERATOR_BEGIN 1
IS_VERTEX_ITERATOR_END 1
PRINT_VERTEX_ITERATOR 1
VERTEX_ITERATOR_NEXT 1 0
PRINT_VERTEX_ITERATOR 1
VERTEX_ITERATOR_NEXT 1 1
PRINT_VERTEX_ITERATOR 1
IS_VERTEX_ITERATOR_END 1
FIND_VERTEX 1 B
IS_VERTEX_ITERATOR_END 1
PRINT_VERTEX_ITERATOR 1
FIND_VERTEX 1 D
IS_VERTEX_ITERATOR_END 1
