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 // XFAIL: LIBCXX-AIX-FIXME
12 
13 // <string>
14 
15 // basic_string(initializer_list<charT> il, const Allocator& a = Allocator()); // constexpr since C++20
16 
17 #include <string>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 #include "test_allocator.h"
22 #include "min_allocator.h"
23 
24 TEST_CONSTEXPR_CXX20 bool test() {
25   {
26     std::string s = {'a', 'b', 'c'};
27     assert(s == "abc");
28   }
29 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
30   {
31     std::wstring s;
32     s = {L'a', L'b', L'c'};
33     assert(s == L"abc");
34   }
35 #endif
36   {
37     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
38     S s = {'a', 'b', 'c'};
39     assert(s == "abc");
40   }
41 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
42   {
43     typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
44     S s;
45     s = {L'a', L'b', L'c'};
46     assert(s == L"abc");
47   }
48 #endif
49 
50   return true;
51 }
52 
53 int main(int, char**)
54 {
55   test();
56 #if TEST_STD_VER > 17
57   static_assert(test());
58 #endif
59 
60   return 0;
61 }
62