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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 // <algorithm>
     11 
     12 // template<class T, class Compare>
     13 //   pair<T, T>
     14 //   minmax(initializer_list<T> t, Compare comp);
     15 
     16 #include <algorithm>
     17 #include <functional>
     18 #include <cassert>
     19 
     20 int main()
     21 {
     22 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     23     assert((std::minmax({1, 2, 3}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     24     assert((std::minmax({1, 3, 2}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     25     assert((std::minmax({2, 1, 3}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     26     assert((std::minmax({2, 3, 1}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     27     assert((std::minmax({3, 1, 2}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     28     assert((std::minmax({3, 2, 1}, std::greater<int>()) == std::pair<int, int>(3, 1)));
     29 #if _LIBCPP_STD_VER > 11
     30     {
     31     static_assert((std::minmax({1, 2, 3}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     32     static_assert((std::minmax({1, 3, 2}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     33     static_assert((std::minmax({2, 1, 3}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     34     static_assert((std::minmax({2, 3, 1}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     35     static_assert((std::minmax({3, 1, 2}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     36     static_assert((std::minmax({3, 2, 1}, std::greater<int>()) == std::pair<int, int>(3, 1)), "");
     37     }
     38 #endif
     39 #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     40 }
     41