1 // Copyright (C) 2015-2021 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
17
18 // { dg-do run { target c++11 } }
19
20 #include <locale>
21 #include <iterator>
22 #include <string>
23 #include <testsuite_hooks.h>
24
25 const auto expected = (const char*)u8"£¥€";
26 const std::size_t expected_len = std::char_traits<char>::length(expected);
27
28 template<typename C>
test(const C * from)29 void test(const C* from)
30 {
31 auto len = std::char_traits<C>::length(from);
32 std::mbstate_t state{};
33 char buf[16] = { };
34 using test_type = std::codecvt<C, char, std::mbstate_t>;
35 const test_type& cvt = std::use_facet<test_type>(std::locale::classic());
36 auto from_end = from + len;
37 auto from_next = from;
38 auto buf_end = std::end(buf);
39 auto buf_next = buf;
40 auto res = cvt.out(state, from, from_end, from_next, buf, buf_end, buf_next);
41 VERIFY( res == std::codecvt_base::ok );
42 VERIFY( from_next == from_end );
43 VERIFY( (buf_next - buf) == expected_len );
44 VERIFY( 0 == std::char_traits<char>::compare(buf, expected, expected_len) );
45
46 C buf2[16];
47 auto exp_end = expected + expected_len;
48 auto exp_next = expected;
49 auto buf2_end = std::end(buf2);
50 auto buf2_next = buf2;
51 res = cvt.in(state, expected, exp_end, exp_next, buf2, buf2_end, buf2_next);
52 VERIFY( res == std::codecvt_base::ok );
53 VERIFY( exp_next == exp_end );
54 VERIFY( (buf2_next - buf2) == len );
55 VERIFY( 0 == std::char_traits<C>::compare(buf2, from, len) );
56 }
57
58 void
test01()59 test01()
60 {
61 test(u"£¥€");
62 }
63
64 void
test02()65 test02()
66 {
67 test(U"£¥€");
68 }
69
70 int
main()71 main()
72 {
73 test01();
74 test02();
75 }
76