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 // <string>
10 
11 // basic_string(const basic_string<charT,traits,Allocator>& str);
12 
13 #include <string>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 #include "test_allocator.h"
18 #include "min_allocator.h"
19 
20 template <class S>
21 void
22 test(S s1)
23 {
24     S s2 = s1;
25     LIBCPP_ASSERT(s2.__invariants());
26     assert(s2 == s1);
27     assert(s2.capacity() >= s2.size());
28     assert(s2.get_allocator() == s1.get_allocator());
29 }
30 
31 int main()
32 {
33     {
34     typedef test_allocator<char> A;
35     typedef std::basic_string<char, std::char_traits<char>, A> S;
36     test(S(A(3)));
37     test(S("1", A(5)));
38     test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)));
39     }
40 #if TEST_STD_VER >= 11
41     {
42     typedef min_allocator<char> A;
43     typedef std::basic_string<char, std::char_traits<char>, A> S;
44     test(S(A{}));
45     test(S("1", A()));
46     test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()));
47     }
48 #endif
49 }
50