15a83710eSEric Fiselier //===----------------------------------------------------------------------===// 25a83710eSEric Fiselier // 357b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 457b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 557b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65a83710eSEric Fiselier // 75a83710eSEric Fiselier //===----------------------------------------------------------------------===// 85a83710eSEric Fiselier 9*425620ccSNikolas Klauser // XFAIL: LIBCXX-AIX-FIXME 10*425620ccSNikolas Klauser 115a83710eSEric Fiselier // <string> 125a83710eSEric Fiselier 13*425620ccSNikolas Klauser // void clear(); // constexpr since C++20 145a83710eSEric Fiselier 155a83710eSEric Fiselier #include <string> 165a83710eSEric Fiselier #include <cassert> 175a83710eSEric Fiselier 187fc6a556SMarshall Clow #include "test_macros.h" 195a83710eSEric Fiselier #include "min_allocator.h" 205a83710eSEric Fiselier 215a83710eSEric Fiselier template <class S> 22e85018b7SNikolas Klauser TEST_CONSTEXPR_CXX20 void 235a83710eSEric Fiselier test(S s) 245a83710eSEric Fiselier { 255a83710eSEric Fiselier s.clear(); 265a83710eSEric Fiselier assert(s.size() == 0); 275a83710eSEric Fiselier } 285a83710eSEric Fiselier 29*425620ccSNikolas Klauser TEST_CONSTEXPR_CXX20 bool test() { 305a83710eSEric Fiselier { 315a83710eSEric Fiselier typedef std::string S; 325a83710eSEric Fiselier S s; 335a83710eSEric Fiselier test(s); 345a83710eSEric Fiselier 355a83710eSEric Fiselier s.assign(10, 'a'); 365a83710eSEric Fiselier s.erase(5); 375a83710eSEric Fiselier test(s); 385a83710eSEric Fiselier 395a83710eSEric Fiselier s.assign(100, 'a'); 405a83710eSEric Fiselier s.erase(50); 415a83710eSEric Fiselier test(s); 425a83710eSEric Fiselier } 43f2f2a639SEric Fiselier #if TEST_STD_VER >= 11 445a83710eSEric Fiselier { 455a83710eSEric Fiselier typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 465a83710eSEric Fiselier S s; 475a83710eSEric Fiselier test(s); 485a83710eSEric Fiselier 495a83710eSEric Fiselier s.assign(10, 'a'); 505a83710eSEric Fiselier s.erase(5); 515a83710eSEric Fiselier test(s); 525a83710eSEric Fiselier 535a83710eSEric Fiselier s.assign(100, 'a'); 545a83710eSEric Fiselier s.erase(50); 555a83710eSEric Fiselier test(s); 565a83710eSEric Fiselier } 575a83710eSEric Fiselier #endif 582df59c50SJF Bastien 59e85018b7SNikolas Klauser return true; 60e85018b7SNikolas Klauser } 61e85018b7SNikolas Klauser 62e85018b7SNikolas Klauser int main(int, char**) 63e85018b7SNikolas Klauser { 64e85018b7SNikolas Klauser test(); 65e85018b7SNikolas Klauser #if TEST_STD_VER > 17 66*425620ccSNikolas Klauser static_assert(test()); 67e85018b7SNikolas Klauser #endif 68e85018b7SNikolas Klauser 692df59c50SJF Bastien return 0; 705a83710eSEric Fiselier } 71