text: //===----------------------------------------------------------------------===//
  //
  //                     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.
  //
  //===----------------------------------------------------------------------===//
  
  // <array>
  
  // template <class T, size_t N> void swap(array<T,N>& x, array<T,N>& y);
  
  #include <array>
  #include <cassert>
  
  #include "../suppress_array_warnings.h"
  
  int main()
  {
      {
          typedef double T;
          typedef std::array<T, 3> C;
          C c1 = {1, 2, 3.5};
          C c2 = {4, 5, 6.5};
          swap(c1, c2);
          assert(c1.size() == 3);
          assert(c1[0] == 4);
          assert(c1[1] == 5);
          assert(c1[2] == 6.5);
          assert(c2.size() == 3);
          assert(c2[0] == 1);
          assert(c2[1] == 2);
          assert(c2[2] == 3.5);
      }
      {
          typedef double T;
          typedef std::array<T, 0> C;
          C c1 = {};
          C c2 = {};
          swap(c1, c2);
          assert(c1.size() == 0);
          assert(c2.size() == 0);
      }
  }
  