gcc/libstdc++-v3/testsuite/25_algorithms/min/constexpr.cc

// { dg-do compile { target c++14 } }

// Copyright (C) 2014-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <algorithm>
#include <functional>

static_assert(std::min(2, 1) == 1, "");
static_assert(std::min(2, 1, std::greater<int>()) == 2, "");
static_assert(std::min({2, 1}) == 1, "");
static_assert(std::min({1, 2}, std::greater<int>())==2, "");