def check_heap_property()

in heap.py [0:0]


    def check_heap_property(self, root):
        if root in self.invalid_pos:
            return True # Actually we should check the children, but we will call it in the whole heap
        holds = True
        for node in self.dfs(root):
            if node == root:
                continue
            holds = node in self.invalid_pos or self.cmp(self.data[root], self.data[node])
            if not holds:
                print("Does not hold  root(%d) = %d node(%d) = %d" % (root, self.data[root], node, self.data[node]))
                break
        return holds