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 // XFAIL: LIBCXX-AIX-FIXME
10 
11 // <string>
12 
13 // template<class charT, class traits, class Allocator>
14 //   bool operator>(const charT* lhs, const basic_string<charT,traits,Allocator>& rhs); // constexpr since C++20
15 
16 #include <string>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 #include "min_allocator.h"
21 
22 template <class S>
23 TEST_CONSTEXPR_CXX20 void
24 test(const typename S::value_type* lhs, const S& rhs, bool x)
25 {
26     assert((lhs > rhs) == x);
27 }
28 
29 TEST_CONSTEXPR_CXX20 bool test() {
30   {
31     typedef std::string S;
32     test("", S(""), false);
33     test("", S("abcde"), false);
34     test("", S("abcdefghij"), false);
35     test("", S("abcdefghijklmnopqrst"), false);
36     test("abcde", S(""), true);
37     test("abcde", S("abcde"), false);
38     test("abcde", S("abcdefghij"), false);
39     test("abcde", S("abcdefghijklmnopqrst"), false);
40     test("abcdefghij", S(""), true);
41     test("abcdefghij", S("abcde"), true);
42     test("abcdefghij", S("abcdefghij"), false);
43     test("abcdefghij", S("abcdefghijklmnopqrst"), false);
44     test("abcdefghijklmnopqrst", S(""), true);
45     test("abcdefghijklmnopqrst", S("abcde"), true);
46     test("abcdefghijklmnopqrst", S("abcdefghij"), true);
47     test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
48   }
49 #if TEST_STD_VER >= 11
50   {
51     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
52     test("", S(""), false);
53     test("", S("abcde"), false);
54     test("", S("abcdefghij"), false);
55     test("", S("abcdefghijklmnopqrst"), false);
56     test("abcde", S(""), true);
57     test("abcde", S("abcde"), false);
58     test("abcde", S("abcdefghij"), false);
59     test("abcde", S("abcdefghijklmnopqrst"), false);
60     test("abcdefghij", S(""), true);
61     test("abcdefghij", S("abcde"), true);
62     test("abcdefghij", S("abcdefghij"), false);
63     test("abcdefghij", S("abcdefghijklmnopqrst"), false);
64     test("abcdefghijklmnopqrst", S(""), true);
65     test("abcdefghijklmnopqrst", S("abcde"), true);
66     test("abcdefghijklmnopqrst", S("abcdefghij"), true);
67     test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), false);
68   }
69 #endif
70 
71   return true;
72 }
73 
74 int main(int, char**)
75 {
76   test();
77 #if TEST_STD_VER > 17
78   static_assert(test());
79 #endif
80 
81   return 0;
82 }
83