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