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//===----------------------------------------------------------------------===//
//
// 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_; }
};
template <class S>
TEST_CONSTEXPR_CXX20 void test_string() {
S 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");
}
TEST_CONSTEXPR_CXX20 bool test() {
test_string<std::string>();
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}
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