libcxx/test/std/algorithms/alg.sorting/alg.min.max/max_init_list_comp.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     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 T, class Compare>
//   T
//   max(initializer_list<T> t, Compare comp);

#include <algorithm>
#include <functional>
#include <cassert>

int main()
{
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
    int i = std::max({2, 3, 1}, std::greater<int>());
    assert(i == 1);
    i = std::max({2, 1, 3}, std::greater<int>());
    assert(i == 1);
    i = std::max({3, 1, 2}, std::greater<int>());
    assert(i == 1);
    i = std::max({3, 2, 1}, std::greater<int>());
    assert(i == 1);
    i = std::max({1, 2, 3}, std::greater<int>());
    assert(i == 1);
    i = std::max({1, 3, 2}, std::greater<int>());
    assert(i == 1);
#if _LIBCPP_STD_VER > 11
    {
    static_assert(std::max({1, 3, 2}, std::greater<int>()) == 1, "");
    static_assert(std::max({2, 1, 3}, std::greater<int>()) == 1, "");
    static_assert(std::max({3, 2, 1}, std::greater<int>()) == 1, "");
    }
#endif
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
}