27 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11// <functional>12 13// Test that std::compare_three_way is defined in <functional>,14// not only in <compare>.15 16#include <functional>17#include <cassert>18 19int main(int, char**)20{21 assert(std::compare_three_way()(1, 2) < 0);22 assert(std::compare_three_way()(1, 1) == 0);23 assert(std::compare_three_way()(2, 1) > 0);24 25 return 0;26}27