1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <string>
11 
12 // basic_string(const basic_string& str, const Allocator& alloc);
13 
14 #include <string>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 #include "test_allocator.h"
19 #include "min_allocator.h"
20 
21 template <class S>
22 void
23 test(S s1, const typename S::allocator_type& a)
24 {
25     S s2(s1, a);
26     LIBCPP_ASSERT(s2.__invariants());
27     assert(s2 == s1);
28     assert(s2.capacity() >= s2.size());
29     assert(s2.get_allocator() == a);
30 }
31 
32 int main()
33 {
34     {
35     typedef test_allocator<char> A;
36     typedef std::basic_string<char, std::char_traits<char>, A> S;
37     test(S(), A(3));
38     test(S("1"), A(5));
39     test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A(7));
40     }
41 #if TEST_STD_VER >= 11
42     {
43     typedef min_allocator<char> A;
44     typedef std::basic_string<char, std::char_traits<char>, A> S;
45     test(S(), A());
46     test(S("1"), A());
47     test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A());
48     }
49 #endif
50 }
51