1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <string>
10
11 // template<class charT, class traits, class Allocator>
12 // bool operator!=(const basic_string<charT, traits, Allocator> &lhs, basic_string_view<charT,traits> rhs);
13 // template<class charT, class traits, class Allocator>
14 // bool operator!=(basic_string_view<charT,traits> lhs, const basic_string<charT, traits, Allocator> &rhs);
15
16 #include <string_view>
17 #include <string>
18 #include <cassert>
19
20 #include "test_macros.h"
21
22 template <class S>
23 void
test(const std::string & lhs,S rhs,bool x)24 test(const std::string &lhs, S rhs, bool x)
25 {
26 assert((lhs != rhs) == x);
27 assert((rhs != lhs) == x);
28 }
29
main(int,char **)30 int main(int, char**)
31 {
32 {
33 typedef std::string_view S;
34 test("", S(""), false);
35 test("", S("abcde"), true);
36 test("", S("abcdefghij"), true);
37 test("", S("abcdefghijklmnopqrst"), true);
38 test("abcde", S(""), true);
39 test("abcde", S("abcde"), false);
40 test("abcde", S("abcdefghij"), true);
41 test("abcde", S("abcdefghijklmnopqrst"), true);
42 test("abcdefghij", S(""), true);
43 test("abcdefghij", S("abcde"), true);
44 test("abcdefghij", S("abcdefghij"), false);
45 test("abcdefghij", S("abcdefghijklmnopqrst"), true);
46 test("abcdefghijklmnopqrst", S(""), true);
47 test("abcdefghijklmnopqrst", S("abcde"), true);
48 test("abcdefghijklmnopqrst", S("abcdefghij"), true);
49 test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
50 }
51
52 return 0;
53 }
54