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 // <codecvt>
10 
11 // template <class Elem, unsigned long Maxcode = 0x10ffff,
12 //           codecvt_mode Mode = (codecvt_mode)0>
13 // class codecvt_utf8_utf16
14 //     : public codecvt<Elem, char, mbstate_t>
15 // {
16 //     // unspecified
17 // };
18 
19 // int max_length() const throw();
20 
21 #include <codecvt>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 
26 int main(int, char**)
27 {
28 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
29     {
30         typedef std::codecvt_utf8_utf16<wchar_t> C;
31         C c;
32         int r = c.max_length();
33         assert(r == 4);
34     }
35     {
36         typedef std::codecvt_utf8_utf16<wchar_t, 0xFFFFFFFF, std::consume_header> C;
37         C c;
38         int r = c.max_length();
39         assert(r == 7);
40     }
41 #endif // TEST_HAS_NO_WIDE_CHARACTERS
42     {
43         typedef std::codecvt_utf8_utf16<char16_t> C;
44         C c;
45         int r = c.max_length();
46         assert(r == 4);
47     }
48     {
49         typedef std::codecvt_utf8_utf16<char16_t, 0xFFFFFFFF, std::consume_header> C;
50         C c;
51         int r = c.max_length();
52         assert(r == 7);
53     }
54     {
55         typedef std::codecvt_utf8_utf16<char32_t> C;
56         C c;
57         int r = c.max_length();
58         assert(r == 4);
59     }
60     {
61         typedef std::codecvt_utf8_utf16<char32_t, 0xFFFFFFFF, std::consume_header> C;
62         C c;
63         int r = c.max_length();
64         assert(r == 7);
65     }
66 
67   return 0;
68 }
69