46 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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++209 10// <string>11 12// constexpr bool contains(charT x) const noexcept;13 14#include <string>15#include <cassert>16 17#include "test_macros.h"18 19template <class S>20constexpr void test_string() {21 S s1{};22 S s2{"abcde", 5};23 24 ASSERT_NOEXCEPT(s1.contains('e'));25 26 assert(!s1.contains('c'));27 assert(!s1.contains('e'));28 assert(!s1.contains('x'));29 assert(s2.contains('c'));30 assert(s2.contains('e'));31 assert(!s2.contains('x'));32}33 34constexpr bool test() {35 test_string<std::string>();36 37 return true;38}39 40int main(int, char**) {41 test();42 static_assert(test());43 44 return 0;45}46