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//   operator=(const charT* s);
14
15#include <string>
16#include <cassert>
17
18#include "min_allocator.h"
19
20template <class S>
21void
22test(S s1, const typename S::value_type* s2)
23{
24    typedef typename S::traits_type T;
25    s1 = s2;
26    assert(s1.__invariants());
27    assert(s1.size() == T::length(s2));
28    assert(T::compare(s1.data(), s2, s1.size()) == 0);
29    assert(s1.capacity() >= s1.size());
30}
31
32int main()
33{
34    {
35    typedef std::string S;
36    test(S(), "");
37    test(S("1"), "");
38    test(S(), "1");
39    test(S("1"), "2");
40    test(S("1"), "2");
41
42    test(S(),
43         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
44    test(S("123456789"),
45         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
46    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
47         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
48    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
49           "1234567890123456789012345678901234567890123456789012345678901234567890"),
50         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
51    }
52#if __cplusplus >= 201103L
53    {
54    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
55    test(S(), "");
56    test(S("1"), "");
57    test(S(), "1");
58    test(S("1"), "2");
59    test(S("1"), "2");
60
61    test(S(),
62         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
63    test(S("123456789"),
64         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
65    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
66         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
67    test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
68           "1234567890123456789012345678901234567890123456789012345678901234567890"),
69         "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
70    }
71#endif
72}
73