56 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// <list>10 11// class list12 13// bool empty() const noexcept; // constexpr since C++2614 15#include <list>16#include <cassert>17 18#include "test_macros.h"19#include "min_allocator.h"20 21TEST_CONSTEXPR_CXX26 bool test() {22 {23 typedef std::list<int> C;24 C c;25 ASSERT_NOEXCEPT(c.empty());26 assert(c.empty());27 c.push_back(C::value_type(1));28 assert(!c.empty());29 c.clear();30 assert(c.empty());31 }32#if TEST_STD_VER >= 1133 {34 typedef std::list<int, min_allocator<int>> C;35 C c;36 ASSERT_NOEXCEPT(c.empty());37 assert(c.empty());38 c.push_back(C::value_type(1));39 assert(!c.empty());40 c.clear();41 assert(c.empty());42 }43#endif44 45 return true;46}47 48int main(int, char**) {49 assert(test());50#if TEST_STD_VER >= 2651 static_assert(test());52#endif53 54 return 0;55}56