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52066eae | 1 | // { dg-do run { target c++11 } } |
b6584a72 | 2 | |
a945c346 | 3 | // Copyright (C) 2015-2024 Free Software Foundation, Inc. |
b6584a72 JW |
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>; | |
bb7d052a | 31 | // { dg-warning "deprecated" "" { target c++17 } 30 } |
b6584a72 JW |
32 | |
33 | using std::string; | |
9933260f | 34 | using std::u16string; |
b6584a72 JW |
35 | using std::u32string; |
36 | ||
37 | // test construction with state, for partial conversions | |
38 | ||
39 | void test01() | |
9933260f JW |
40 | { |
41 | typedef str_conv<char> wsc; | |
42 | ||
43 | wsc c; | |
102a4fe1 | 44 | string input = (const char*)u8"\u00a3 shillings pence"; |
9933260f JW |
45 | string woutput = c.from_bytes(input.substr(0, 1)); |
46 | auto partial_state = c.state(); | |
47 | auto partial_count = c.converted(); | |
48 | ||
102a4fe1 JW |
49 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
50 | VERIFY( woutput2 == "state reset on next conversion" ); | |
9933260f JW |
51 | |
52 | wsc c2(new cvt<char>, partial_state); | |
53 | woutput += c2.from_bytes(input.substr(partial_count)); | |
102a4fe1 | 54 | VERIFY( (const char*)u8"\u00a3 shillings pence" == woutput ); |
9933260f JW |
55 | |
56 | string roundtrip = c2.to_bytes(woutput); | |
57 | VERIFY( input == roundtrip ); | |
58 | } | |
59 | ||
60 | void test02() | |
61 | { | |
62 | typedef str_conv<char16_t> wsc; | |
63 | ||
64 | wsc c; | |
102a4fe1 | 65 | string input = (const char*)u8"\u00a3 shillings pence"; |
9933260f JW |
66 | u16string woutput = c.from_bytes(input.substr(0, 1)); |
67 | auto partial_state = c.state(); | |
68 | auto partial_count = c.converted(); | |
69 | ||
102a4fe1 | 70 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
9933260f JW |
71 | VERIFY( woutput2 == u"state reset on next conversion" ); |
72 | ||
73 | wsc c2(new cvt<char16_t>, partial_state); | |
74 | woutput += c2.from_bytes(input.substr(partial_count)); | |
75 | VERIFY( u"\u00a3 shillings pence" == woutput ); | |
76 | ||
77 | string roundtrip = c2.to_bytes(woutput); | |
78 | VERIFY( input == roundtrip ); | |
79 | } | |
80 | ||
81 | void test03() | |
b6584a72 JW |
82 | { |
83 | typedef str_conv<char32_t> wsc; | |
84 | ||
85 | wsc c; | |
102a4fe1 | 86 | string input = (const char*)u8"\u00a3 shillings pence"; |
b6584a72 JW |
87 | u32string woutput = c.from_bytes(input.substr(0, 1)); |
88 | auto partial_state = c.state(); | |
89 | auto partial_count = c.converted(); | |
90 | ||
102a4fe1 | 91 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
b6584a72 JW |
92 | VERIFY( woutput2 == U"state reset on next conversion" ); |
93 | ||
94 | wsc c2(new cvt<char32_t>, partial_state); | |
95 | woutput += c2.from_bytes(input.substr(partial_count)); | |
96 | VERIFY( U"\u00a3 shillings pence" == woutput ); | |
97 | ||
98 | string roundtrip = c2.to_bytes(woutput); | |
99 | VERIFY( input == roundtrip ); | |
100 | } | |
101 | ||
9933260f | 102 | |
b6584a72 JW |
103 | int main() |
104 | { | |
105 | test01(); | |
9933260f JW |
106 | test02(); |
107 | test03(); | |
b6584a72 | 108 | } |