48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<class Iter, IntegralLike Size, Callable Generator>
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// requires OutputIterator<Iter, Generator::result_type>
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// && CopyConstructible<Generator>
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// void
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// generate_n(Iter first, Size n, Generator gen);
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#include <algorithm>
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#include <cassert>
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#include "../../iterators.h"
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struct gen_test
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{
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int operator()() const {return 2;}
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};
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template <class Iter>
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void
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test()
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{
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const unsigned n = 4;
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int ia[n] = {0};
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assert(std::generate_n(Iter(ia), n, gen_test()) == Iter(ia+n));
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assert(ia[0] == 2);
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assert(ia[1] == 2);
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assert(ia[2] == 2);
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assert(ia[3] == 2);
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}
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int main()
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{
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test<forward_iterator<int*> >();
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test<bidirectional_iterator<int*> >();
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test<random_access_iterator<int*> >();
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test<int*>();
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}
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