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52066eae | 1 | // { dg-do run { target c++11 } } |
b6584a72 | 2 | |
a5544970 | 3 | // Copyright (C) 2015-2019 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>; | |
31 | ||
32 | using std::string; | |
9933260f | 33 | using std::u16string; |
b6584a72 JW |
34 | using std::u32string; |
35 | ||
36 | // test construction with state, for partial conversions | |
37 | ||
38 | void test01() | |
9933260f JW |
39 | { |
40 | typedef str_conv<char> wsc; | |
41 | ||
42 | wsc c; | |
102a4fe1 | 43 | string input = (const char*)u8"\u00a3 shillings pence"; |
9933260f JW |
44 | string woutput = c.from_bytes(input.substr(0, 1)); |
45 | auto partial_state = c.state(); | |
46 | auto partial_count = c.converted(); | |
47 | ||
102a4fe1 JW |
48 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
49 | VERIFY( woutput2 == "state reset on next conversion" ); | |
9933260f JW |
50 | |
51 | wsc c2(new cvt<char>, partial_state); | |
52 | woutput += c2.from_bytes(input.substr(partial_count)); | |
102a4fe1 | 53 | VERIFY( (const char*)u8"\u00a3 shillings pence" == woutput ); |
9933260f JW |
54 | |
55 | string roundtrip = c2.to_bytes(woutput); | |
56 | VERIFY( input == roundtrip ); | |
57 | } | |
58 | ||
59 | void test02() | |
60 | { | |
61 | typedef str_conv<char16_t> wsc; | |
62 | ||
63 | wsc c; | |
102a4fe1 | 64 | string input = (const char*)u8"\u00a3 shillings pence"; |
9933260f JW |
65 | u16string woutput = c.from_bytes(input.substr(0, 1)); |
66 | auto partial_state = c.state(); | |
67 | auto partial_count = c.converted(); | |
68 | ||
102a4fe1 | 69 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
9933260f JW |
70 | VERIFY( woutput2 == u"state reset on next conversion" ); |
71 | ||
72 | wsc c2(new cvt<char16_t>, partial_state); | |
73 | woutput += c2.from_bytes(input.substr(partial_count)); | |
74 | VERIFY( u"\u00a3 shillings pence" == woutput ); | |
75 | ||
76 | string roundtrip = c2.to_bytes(woutput); | |
77 | VERIFY( input == roundtrip ); | |
78 | } | |
79 | ||
80 | void test03() | |
b6584a72 JW |
81 | { |
82 | typedef str_conv<char32_t> wsc; | |
83 | ||
84 | wsc c; | |
102a4fe1 | 85 | string input = (const char*)u8"\u00a3 shillings pence"; |
b6584a72 JW |
86 | u32string woutput = c.from_bytes(input.substr(0, 1)); |
87 | auto partial_state = c.state(); | |
88 | auto partial_count = c.converted(); | |
89 | ||
102a4fe1 | 90 | auto woutput2 = c.from_bytes("state reset on next conversion"); |
b6584a72 JW |
91 | VERIFY( woutput2 == U"state reset on next conversion" ); |
92 | ||
93 | wsc c2(new cvt<char32_t>, partial_state); | |
94 | woutput += c2.from_bytes(input.substr(partial_count)); | |
95 | VERIFY( U"\u00a3 shillings pence" == woutput ); | |
96 | ||
97 | string roundtrip = c2.to_bytes(woutput); | |
98 | VERIFY( input == roundtrip ); | |
99 | } | |
100 | ||
9933260f | 101 | |
b6584a72 JW |
102 | int main() |
103 | { | |
104 | test01(); | |
9933260f JW |
105 | test02(); |
106 | test03(); | |
b6584a72 | 107 | } |