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>
14 // && LessThanComparable<Iter::value_type>
15 // void
16 // push_heap(Iter first, Iter last);
17
18 #include <algorithm>
19 #include <cassert>
20
test(unsigned N)21 void test(unsigned N)
22 {
23 int* ia = new int [N];
24 for (int i = 0; i < N; ++i)
25 ia[i] = i;
26 std::random_shuffle(ia, ia+N);
27 for (int i = 0; i <= N; ++i)
28 {
29 std::push_heap(ia, ia+i);
30 assert(std::is_heap(ia, ia+i));
31 }
32 delete [] ia;
33 }
34
main()35 int main()
36 {
37 test(1000);
38 }
39