1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class charT, class traits, class Allocator>
// bool operator==(const charT* lhs, const basic_string<charT,traits> rhs);
// template<class charT, class traits, class Allocator>
// bool operator==(const basic_string_view<charT,traits> lhs, const CharT* rhs);
#include <experimental/string_view>
#include <cassert>
#if _LIBCPP_STD_VER > 11
template <class S>
void
test(const std::string &lhs, S rhs, bool x)
{
assert((lhs == rhs) == x);
assert((rhs == lhs) == x);
}
int main()
{
{
typedef std::experimental::string_view S;
test("", S(""), true);
test("", S("abcde"), false);
test("", S("abcdefghij"), false);
test("", S("abcdefghijklmnopqrst"), false);
test("abcde", S(""), false);
test("abcde", S("abcde"), true);
test("abcde", S("abcdefghij"), false);
test("abcde", S("abcdefghijklmnopqrst"), false);
test("abcdefghij", S(""), false);
test("abcdefghij", S("abcde"), false);
test("abcdefghij", S("abcdefghij"), true);
test("abcdefghij", S("abcdefghijklmnopqrst"), false);
test("abcdefghijklmnopqrst", S(""), false);
test("abcdefghijklmnopqrst", S("abcde"), false);
test("abcdefghijklmnopqrst", S("abcdefghij"), false);
test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), true);
}
}
#else
int main () {}
#endif
|
