Method test_heap

src/libcpp/containers/priorityset.hpp:425–449

     */

    __normal_call bool_type test_heap (
        )
    {
#       ifdef _DEBUG
    /*------------------ test relationships for all nodes */
        size_type _ipos = +1 ;
        size_type _iend =
        this->_heap.count () ;
        for ( ; _ipos < _iend; ++_ipos)
        {
    /*------------------ heap is invalid if lower < upper */
            size_type _ppos =
                (_ipos - 1)/_nfan ;

            if (this->_pred(
                this->_heap[_ipos],
                this->_heap[_ppos]
                )   )
                return false ;
        }
#       endif

    /*------------------ must be valid if we got this far */
        return true ;
    }

    } ;