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&& str, const Allocator& alloc);
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
23template <class S>
24void
25test(S s0, const typename S::allocator_type& a)
26{
27    S s1 = s0;
28    S s2(std::move(s0), a);
29    assert(s2.__invariants());
30    assert(s0.__invariants());
31    assert(s2 == s1);
32    assert(s2.capacity() >= s2.size());
33    assert(s2.get_allocator() == a);
34}
35
36#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
37
38int main()
39{
40#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
41    {
42    typedef test_allocator<char> A;
43    typedef std::basic_string<char, std::char_traits<char>, A> S;
44    test(S(), A(3));
45    test(S("1"), A(5));
46    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A(7));
47    }
48#if __cplusplus >= 201103L
49    {
50    typedef min_allocator<char> A;
51    typedef std::basic_string<char, std::char_traits<char>, A> S;
52    test(S(), A());
53    test(S("1"), A());
54    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A());
55    }
56#endif
57#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
58}
59