1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <algorithm> 11 12// template<RandomAccessIterator Iter> 13// requires ShuffleIterator<Iter> && LessThanComparable<Iter::value_type> 14// void 15// pop_heap(Iter first, Iter last); 16 17#include <algorithm> 18#include <cassert> 19 20void test(unsigned N) 21{ 22 int* ia = new int [N]; 23 for (int i = 0; i < N; ++i) 24 ia[i] = i; 25 std::random_shuffle(ia, ia+N); 26 std::make_heap(ia, ia+N); 27 for (int i = N; i > 0; --i) 28 { 29 std::pop_heap(ia, ia+i); 30 assert(std::is_heap(ia, ia+i-1)); 31 } 32 std::pop_heap(ia, ia); 33 delete [] ia; 34} 35 36int main() 37{ 38 test(1000); 39} 40