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 // template<class charT, class traits, class Allocator>
13 //   bool operator<(const basic_string<charT,traits,Allocator>& lhs,
14 //                  const basic_string<charT,traits,Allocator>& rhs);
15 
16 #include <string>
17 #include <cassert>
18 
19 #include "../../min_allocator.h"
20 
21 template <class S>
22 void
23 test(const S& lhs, const S& rhs, bool x)
24 {
25     assert((lhs < rhs) == x);
26 }
27 
28 int main()
29 {
30     {
31     typedef std::string S;
32     test(S(""), S(""), false);
33     test(S(""), S("abcde"), true);
34     test(S(""), S("abcdefghij"), true);
35     test(S(""), S("abcdefghijklmnopqrst"), true);
36     test(S("abcde"), S(""), false);
37     test(S("abcde"), S("abcde"), false);
38     test(S("abcde"), S("abcdefghij"), true);
39     test(S("abcde"), S("abcdefghijklmnopqrst"), true);
40     test(S("abcdefghij"), S(""), false);
41     test(S("abcdefghij"), S("abcde"), false);
42     test(S("abcdefghij"), S("abcdefghij"), false);
43     test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
44     test(S("abcdefghijklmnopqrst"), S(""), false);
45     test(S("abcdefghijklmnopqrst"), S("abcde"), false);
46     test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
47     test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
48     }
49 #if __cplusplus >= 201103L
50     {
51     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
52     test(S(""), S(""), false);
53     test(S(""), S("abcde"), true);
54     test(S(""), S("abcdefghij"), true);
55     test(S(""), S("abcdefghijklmnopqrst"), true);
56     test(S("abcde"), S(""), false);
57     test(S("abcde"), S("abcde"), false);
58     test(S("abcde"), S("abcdefghij"), true);
59     test(S("abcde"), S("abcdefghijklmnopqrst"), true);
60     test(S("abcdefghij"), S(""), false);
61     test(S("abcdefghij"), S("abcde"), false);
62     test(S("abcdefghij"), S("abcdefghij"), false);
63     test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
64     test(S("abcdefghijklmnopqrst"), S(""), false);
65     test(S("abcdefghijklmnopqrst"), S("abcde"), false);
66     test(S("abcdefghijklmnopqrst"), S("abcdefghij"), false);
67     test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
68     }
69 #endif
70 }
71