1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<class Iter, IntegralLike Size, Callable Generator>
// requires OutputIterator<Iter, Generator::result_type>
// && CopyConstructible<Generator>
// void
// generate_n(Iter first, Size n, Generator gen);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
struct gen_test
{
int operator()() const {return 2;}
};
template <class Iter>
void
test()
{
const unsigned n = 4;
int ia[n] = {0};
assert(std::generate_n(Iter(ia), n, gen_test()) == Iter(ia+n));
assert(ia[0] == 2);
assert(ia[1] == 2);
assert(ia[2] == 2);
assert(ia[3] == 2);
}
int main()
{
test<forward_iterator<int*> >();
test<bidirectional_iterator<int*> >();
test<random_access_iterator<int*> >();
test<int*>();
}
|