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      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 // <numeric>
     11 
     12 // template <class ForwardIterator, class T>
     13 //     void iota(ForwardIterator first, ForwardIterator last, T value);
     14 
     15 #include <numeric>
     16 #include <cassert>
     17 
     18 #include "test_iterators.h"
     19 
     20 template <class InIter>
     21 void
     22 test()
     23 {
     24     int ia[] = {1, 2, 3, 4, 5};
     25     int ir[] = {5, 6, 7, 8, 9};
     26     const unsigned s = sizeof(ia) / sizeof(ia[0]);
     27     std::iota(InIter(ia), InIter(ia+s), 5);
     28     for (unsigned i = 0; i < s; ++i)
     29         assert(ia[i] == ir[i]);
     30 }
     31 
     32 int main()
     33 {
     34     test<forward_iterator<int*> >();
     35     test<bidirectional_iterator<int*> >();
     36     test<random_access_iterator<int*> >();
     37     test<int*>();
     38 }
     39