1 // { dg-do run { target c++11 } }
2
3 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
19
20 // 22.3.3.2.2 String conversions
21
22 #include <locale>
23 #include <string>
24 #include <testsuite_hooks.h>
25
26 template<typename Elem>
27 struct cvt : std::codecvt<Elem, char, std::mbstate_t> { };
28
29 template<typename Elem>
30 using str_conv = std::wstring_convert<cvt<Elem>, Elem>;
31
32 using std::string;
33 using std::u16string;
34 using std::u32string;
35
36 // test conversion errors, with and without error strings
37
test01()38 void test01()
39 {
40 typedef str_conv<char> sc;
41
42 const sc::byte_string berr = "invalid wide string";
43 const sc::wide_string werr = u8"invalid byte string";
44
45 sc c(berr, werr);
46 string input = "Stop";
47 input += char(0xFF);
48 string woutput = c.from_bytes(input);
49 VERIFY( input == woutput ); // noconv case doesn't detect invalid input
50 string winput = u8"Stop";
51 winput += char(0xFF);
52 string output = c.to_bytes(winput);
53 VERIFY( winput == output ); // noconv case doesn't detect invalid input
54 }
55
test02()56 void test02()
57 {
58 typedef str_conv<char16_t> sc;
59
60 const sc::byte_string berr = "invalid wide string";
61 const sc::wide_string werr = u"invalid byte string";
62
63 sc c(berr, werr);
64 string input = "Stop";
65 input += char(0xFF);
66 u16string woutput = c.from_bytes(input);
67 VERIFY( werr == woutput );
68 u16string winput = u"Stop";
69 winput += char16_t(0xDC00);
70 string output = c.to_bytes(winput);
71 VERIFY( berr == output );
72 }
73
test03()74 void test03()
75 {
76 typedef str_conv<char32_t> sc;
77
78 const sc::byte_string berr = "invalid wide string";
79 const sc::wide_string werr = U"invalid byte string";
80
81 sc c(berr, werr);
82 string input = "Halt";
83 input += char(0xff);
84 u32string woutput = c.from_bytes(input);
85 VERIFY( werr == woutput );
86 u32string winput = U"Halt";
87 winput += char32_t(-1);
88 string output = c.to_bytes(winput);
89 VERIFY( berr == output );
90 }
91
main()92 int main()
93 {
94 test01();
95 test02();
96 test03();
97 }
98