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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03
10
11// <string>
12
13// basic_string& assign(initializer_list<charT> il); // constexpr since C++20
14
15#include <string>
16#include <cassert>
17
18#include "test_macros.h"
19#include "min_allocator.h"
20#include "asan_testing.h"
21
22template <class S>
23TEST_CONSTEXPR_CXX20 void test_string() {
24 S s("123");
25
26 s.assign({'a', 'b'});
27 assert(s == "ab");
28 LIBCPP_ASSERT(is_string_asan_correct(s));
29
30 s.assign({'a', 'b', 'c'});
31 assert(s == "abc");
32 LIBCPP_ASSERT(is_string_asan_correct(s));
33
34 s.assign({'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a',
35 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a'});
36 assert(s == "aaaaaaaaaaaaaaaaaaaaaaaaa");
37 LIBCPP_ASSERT(is_string_asan_correct(s));
38}
39
40TEST_CONSTEXPR_CXX20 bool test() {
41 test_string<std::string>();
42#if TEST_STD_VER >= 11
43 test_string<std::basic_string<char, std::char_traits<char>, min_allocator<char> > >();
44 test_string<std::basic_string<char, std::char_traits<char>, safe_allocator<char> > >();
45#endif
46
47 return true;
48}
49
50int main(int, char**) {
51 test();
52#if TEST_STD_VER > 17
53 static_assert(test());
54#endif
55
56 return 0;
57}
58

source code of libcxx/test/std/strings/basic.string/string.modifiers/string_assign/initializer_list.pass.cpp