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(basic_string<charT,traits,Allocator>&& str);
13
14 #include <string>
15 #include <cassert>
16
17 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
18
19 #include "test_allocator.h"
20 #include "min_allocator.h"
21
22 template <class S>
23 void
test(S s0)24 test(S s0)
25 {
26 S s1 = s0;
27 S s2 = std::move(s0);
28 assert(s2.__invariants());
29 assert(s0.__invariants());
30 assert(s2 == s1);
31 assert(s2.capacity() >= s2.size());
32 assert(s2.get_allocator() == s1.get_allocator());
33 }
34
35 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
36
main()37 int main()
38 {
39 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
40 {
41 typedef test_allocator<char> A;
42 typedef std::basic_string<char, std::char_traits<char>, A> S;
43 test(S(A(3)));
44 test(S("1", A(5)));
45 test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)));
46 }
47 #if __cplusplus >= 201103L
48 {
49 typedef min_allocator<char> A;
50 typedef std::basic_string<char, std::char_traits<char>, A> S;
51 test(S(A{}));
52 test(S("1", A()));
53 test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()));
54 }
55 #endif
56 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
57 }
58