| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| #include <cassert> |
| #include <string> |
| |
| #include "test_macros.h" |
| |
| struct Incomplete; |
| template<class T> struct Holder { T t; }; |
| |
| template<class T> |
| struct Charlike { |
| char ch_; |
| TEST_CONSTEXPR Charlike(char ch) : ch_(ch) {} |
| TEST_CONSTEXPR operator char() const { return ch_; } |
| }; |
| |
| TEST_CONSTEXPR_CXX20 bool test() { |
| std::string s; |
| Charlike<Holder<Incomplete> > a[] = {'m', 'a', 'h', 'i'}; |
| s.append(a, a+4); |
| s.assign(a, a+4); |
| s.insert(s.begin(), a, a+4); |
| s.replace(s.begin(), s.begin()+4, a, a+4); |
| assert(s == "mahimahi"); |
| |
| return true; |
| } |
| |
| int main(int, char**) |
| { |
| test(); |
| #if TEST_STD_VER > 17 |
| static_assert(test()); |
| #endif |
| |
| return 0; |
| } |