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<ForwardIterator Iter, Callable Generator>
13 //   requires OutputIterator<Iter, Generator::result_type>
14 //         && CopyConstructible<Generator>
15 //   void
16 //   generate(Iter first, Iter last, Generator gen);
17 
18 #include <algorithm>
19 #include <cassert>
20 
21 #include "test_iterators.h"
22 
23 struct gen_test
24 {
operator ()gen_test25     int operator()() const {return 1;}
26 };
27 
28 template <class Iter>
29 void
test()30 test()
31 {
32     const unsigned n = 4;
33     int ia[n] = {0};
34     std::generate(Iter(ia), Iter(ia+n), gen_test());
35     assert(ia[0] == 1);
36     assert(ia[1] == 1);
37     assert(ia[2] == 1);
38     assert(ia[3] == 1);
39 }
40 
main()41 int main()
42 {
43     test<forward_iterator<int*> >();
44     test<bidirectional_iterator<int*> >();
45     test<random_access_iterator<int*> >();
46     test<int*>();
47 }
48