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<charT,traits,Allocator>&
13//   assign(const basic_string<charT,traits>& str);
14
15#include <string>
16#include <cassert>
17
18#include "../../min_allocator.h"
19
20template <class S>
21void
22test(S s, S str, S expected)
23{
24    s.assign(str);
25    assert(s.__invariants());
26    assert(s == expected);
27}
28
29int main()
30{
31    {
32    typedef std::string S;
33    test(S(), S(), S());
34    test(S(), S("12345"), S("12345"));
35    test(S(), S("1234567890"), S("1234567890"));
36    test(S(), S("12345678901234567890"), S("12345678901234567890"));
37
38    test(S("12345"), S(), S());
39    test(S("12345"), S("12345"), S("12345"));
40    test(S("12345"), S("1234567890"), S("1234567890"));
41    test(S("12345"), S("12345678901234567890"), S("12345678901234567890"));
42
43    test(S("1234567890"), S(), S());
44    test(S("1234567890"), S("12345"), S("12345"));
45    test(S("1234567890"), S("1234567890"), S("1234567890"));
46    test(S("1234567890"), S("12345678901234567890"), S("12345678901234567890"));
47
48    test(S("12345678901234567890"), S(), S());
49    test(S("12345678901234567890"), S("12345"), S("12345"));
50    test(S("12345678901234567890"), S("1234567890"), S("1234567890"));
51    test(S("12345678901234567890"), S("12345678901234567890"),
52         S("12345678901234567890"));
53    }
54#if __cplusplus >= 201103L
55    {
56    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
57    test(S(), S(), S());
58    test(S(), S("12345"), S("12345"));
59    test(S(), S("1234567890"), S("1234567890"));
60    test(S(), S("12345678901234567890"), S("12345678901234567890"));
61
62    test(S("12345"), S(), S());
63    test(S("12345"), S("12345"), S("12345"));
64    test(S("12345"), S("1234567890"), S("1234567890"));
65    test(S("12345"), S("12345678901234567890"), S("12345678901234567890"));
66
67    test(S("1234567890"), S(), S());
68    test(S("1234567890"), S("12345"), S("12345"));
69    test(S("1234567890"), S("1234567890"), S("1234567890"));
70    test(S("1234567890"), S("12345678901234567890"), S("12345678901234567890"));
71
72    test(S("12345678901234567890"), S(), S());
73    test(S("12345678901234567890"), S("12345"), S("12345"));
74    test(S("12345678901234567890"), S("1234567890"), S("1234567890"));
75    test(S("12345678901234567890"), S("12345678901234567890"),
76         S("12345678901234567890"));
77    }
78#endif
79}
80