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// REQUIRES: has-unix-headers
10// UNSUPPORTED: c++03, c++11, c++14, c++17
11// REQUIRES: libcpp-hardening-mode={{extensive|debug}}
12// XFAIL: availability-verbose_abort-missing
13
14// <algorithm>
15
16// In a call to `ranges::clamp(val, low, high)`, `low` must be `<= high`.
17
18#include <algorithm>
19#include <functional>
20
21#include "check_assertion.h"
22
23int main(int, char**) {
24 (void)std::ranges::clamp(1, 2, 0, std::ranges::greater{});
25 TEST_LIBCPP_ASSERT_FAILURE(std::ranges::clamp(1, 2, 0), "Bad bounds passed to std::ranges::clamp");
26
27 (void)std::ranges::clamp(1, 0, 2);
28 TEST_LIBCPP_ASSERT_FAILURE(
29 std::ranges::clamp(1, 0, 2, std::ranges::greater{}), "Bad bounds passed to std::ranges::clamp");
30
31 (void)std::ranges::clamp(1, 1, 1); // Equal bounds should be fine.
32
33 return 0;
34}
35

source code of libcxx/test/std/algorithms/alg.sorting/alg.clamp/assert.ranges_clamp.pass.cpp