425620ccdd
Reviewed By: #libc, ldionne Spies: daltenty, sdasgup3, ldionne, arichardson, MTC, ChuanqiXu, mehdi_amini, shauheen, antiagainst, nicolasvasilache, arpith-jacob, mgester, lucyrfox, aartbik, liufengdb, stephenneuendorffer, Joonsoo, grosul1, Kayjukh, jurahul, msifontes, tatianashp, rdzhabarov, teijeong, cota, dcaballe, Chia-hungDuan, wrengr, wenzhicui, arphaman, Mordante, miscco, Quuxplusone, smeenai, libcxx-commits Differential Revision: https://reviews.llvm.org/D110598
47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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#include <cassert>
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#include <string>
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#include "test_macros.h"
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struct Incomplete;
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template<class T> struct Holder { T t; };
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template<class T>
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struct Charlike {
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char ch_;
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TEST_CONSTEXPR Charlike(char ch) : ch_(ch) {}
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TEST_CONSTEXPR operator char() const { return ch_; }
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};
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TEST_CONSTEXPR_CXX20 bool test() {
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std::string s;
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Charlike<Holder<Incomplete> > a[] = {'m', 'a', 'h', 'i'};
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s.append(a, a+4);
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s.assign(a, a+4);
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s.insert(s.begin(), a, a+4);
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s.replace(s.begin(), s.begin()+4, a, a+4);
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assert(s == "mahimahi");
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return true;
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}
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int main(int, char**)
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{
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test();
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#if TEST_STD_VER > 17
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static_assert(test());
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#endif
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return 0;
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}
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