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, basic_string_view<charT,traits> rhs);
14// template<class charT, class traits, class Allocator>
15//   bool operator!=(basic_string_view<charT,traits> lhs, const basic_string<charT, traits, Allocator> &rhs);
16
17#include <string_view>
18#include <string>
19#include <cassert>
20
21template <class S>
22void
23test(const std::string &lhs, S rhs, bool x)
24{
25    assert((lhs != rhs) == x);
26    assert((rhs != lhs) == x);
27}
28
29int main()
30{
31    {
32    typedef std::string_view S;
33    test("", S(""), false);
34    test("", S("abcde"), true);
35    test("", S("abcdefghij"), true);
36    test("", S("abcdefghijklmnopqrst"), true);
37    test("abcde", S(""), true);
38    test("abcde", S("abcde"), false);
39    test("abcde", S("abcdefghij"), true);
40    test("abcde", S("abcdefghijklmnopqrst"), true);
41    test("abcdefghij", S(""), true);
42    test("abcdefghij", S("abcde"), true);
43    test("abcdefghij", S("abcdefghij"), false);
44    test("abcdefghij", S("abcdefghijklmnopqrst"), true);
45    test("abcdefghijklmnopqrst", S(""), true);
46    test("abcdefghijklmnopqrst", S("abcde"), true);
47    test("abcdefghijklmnopqrst", S("abcdefghij"), true);
48    test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
49    }
50}
51