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(initializer_list<charT> il, const Allocator& a = Allocator()); // constexpr since C++20
14
15 #include <string>
16 #include <cassert>
17
18 #include "test_macros.h"
19 #include "test_allocator.h"
20 #include "min_allocator.h"
21
test()22 TEST_CONSTEXPR_CXX20 bool test() {
23 {
24 std::string s = {'a', 'b', 'c'};
25 assert(s == "abc");
26 }
27 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
28 {
29 std::wstring s;
30 s = {L'a', L'b', L'c'};
31 assert(s == L"abc");
32 }
33 #endif
34 {
35 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
36 S s = {'a', 'b', 'c'};
37 assert(s == "abc");
38 }
39 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
40 {
41 typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
42 S s;
43 s = {L'a', L'b', L'c'};
44 assert(s == L"abc");
45 }
46 #endif
47
48 return true;
49 }
50
main(int,char **)51 int main(int, char**)
52 {
53 test();
54 #if TEST_STD_VER > 17
55 static_assert(test());
56 #endif
57
58 return 0;
59 }
60