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
test(const S & lhs,const S & rhs,bool x)23 test(const S& lhs, const S& rhs, bool x)
24 {
25 assert((lhs != rhs) == x);
26 }
27
main()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(""), true);
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(""), true);
41 test(S("abcdefghij"), S("abcde"), true);
42 test(S("abcdefghij"), S("abcdefghij"), false);
43 test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
44 test(S("abcdefghijklmnopqrst"), S(""), true);
45 test(S("abcdefghijklmnopqrst"), S("abcde"), true);
46 test(S("abcdefghijklmnopqrst"), S("abcdefghij"), true);
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(""), true);
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(""), true);
61 test(S("abcdefghij"), S("abcde"), true);
62 test(S("abcdefghij"), S("abcdefghij"), false);
63 test(S("abcdefghij"), S("abcdefghijklmnopqrst"), true);
64 test(S("abcdefghijklmnopqrst"), S(""), true);
65 test(S("abcdefghijklmnopqrst"), S("abcde"), true);
66 test(S("abcdefghijklmnopqrst"), S("abcdefghij"), true);
67 test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false);
68 }
69 #endif
70 }
71