| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <algorithm> |
| 10 | |
| 11 | // template<class T, StrictWeakOrder<auto, T> Compare> |
| 12 | // requires !SameType<T, Compare> && CopyConstructible<Compare> |
| 13 | // const T& |
| 14 | // min(const T& a, const T& b, Compare comp); |
| 15 | |
| 16 | #include <algorithm> |
| 17 | #include <functional> |
| 18 | #include <cassert> |
| 19 | |
| 20 | #include "test_macros.h" |
| 21 | |
| 22 | template <class T, class C> |
| 23 | void |
| 24 | test(const T& a, const T& b, C c, const T& x) |
| 25 | { |
| 26 | assert(&std::min(a, b, c) == &x); |
| 27 | } |
| 28 | |
| 29 | int main(int, char**) |
| 30 | { |
| 31 | { |
| 32 | int x = 0; |
| 33 | int y = 0; |
| 34 | test(x, y, std::greater<int>(), x); |
| 35 | test(y, x, std::greater<int>(), y); |
| 36 | } |
| 37 | { |
| 38 | int x = 0; |
| 39 | int y = 1; |
| 40 | test(x, y, std::greater<int>(), y); |
| 41 | test(y, x, std::greater<int>(), y); |
| 42 | } |
| 43 | { |
| 44 | int x = 1; |
| 45 | int y = 0; |
| 46 | test(x, y, std::greater<int>(), x); |
| 47 | test(y, x, std::greater<int>(), x); |
| 48 | } |
| 49 | #if TEST_STD_VER >= 14 |
| 50 | { |
| 51 | constexpr int x = 1; |
| 52 | constexpr int y = 0; |
| 53 | static_assert(std::min(x, y, std::greater<int>()) == x, "" ); |
| 54 | static_assert(std::min(y, x, std::greater<int>()) == x, "" ); |
| 55 | } |
| 56 | #endif |
| 57 | |
| 58 | return 0; |
| 59 | } |
| 60 | |