]>
Commit | Line | Data |
---|---|---|
5f8d36fe | 1 | // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
6f322d27 | 2 | |
5f8d36fe | 3 | // Copyright (C) 2000, 2002, 2003 Free Software Foundation |
6f322d27 BK |
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 2, 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 COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] | |
22 | ||
23 | #include <locale> | |
fe413112 | 24 | #include <testsuite_hooks.h> |
6f322d27 | 25 | |
6f322d27 | 26 | // Need to explicitly set the state(mbstate_t) to zero. |
7ee9826b | 27 | // How to do this is not specified by the ISO C99 standard, so we |
6f322d27 BK |
28 | // might need to add some operators to make the intuiative case |
29 | // work: | |
30 | // w_codecvt::state_type state00; | |
31 | // state00 = 0; | |
32 | // or, can use this explicit "C" initialization: | |
33 | // w_codecvt::state_type state01 = {0, 0}; | |
34 | // .. except Ulrich says: Use memset. Always use memset. Feel the force... | |
35 | void | |
4bc95009 BK |
36 | zero_state(std::mbstate_t& state) |
37 | { std::memset(&state, 0, sizeof(std::mbstate_t)); } | |
6f322d27 BK |
38 | |
39 | // Required instantiation | |
40 | // codecvt<wchar_t, char, mbstate_t> | |
41 | void test01() | |
42 | { | |
43 | using namespace std; | |
44 | typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; | |
45 | typedef codecvt_base::result result; | |
46 | typedef wchar_t int_type; | |
47 | typedef char ext_type; | |
48 | typedef char_traits<wchar_t> int_traits; | |
49 | typedef char_traits<char> ext_traits; | |
50 | ||
51 | bool test = true; | |
52 | const ext_type* e_lit = "black pearl jasmine tea"; | |
53 | const ext_type* efrom_next; | |
54 | const int_type* i_lit = L"black pearl jasmine tea"; | |
55 | const int_type* ifrom_next; | |
56 | int size = strlen(e_lit); | |
57 | ext_type* e_arr = new ext_type[size + 1]; | |
58 | ext_type* eto_next; | |
59 | int_type* i_arr = new int_type[size + 1]; | |
60 | int_type* ito_next; | |
61 | ||
62 | locale loc; | |
63 | const w_codecvt* cvt = &use_facet<w_codecvt>(loc); | |
64 | ||
65 | // in | |
66 | w_codecvt::state_type state01; | |
67 | zero_state(state01); | |
68 | result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, | |
69 | i_arr, i_arr + size, ito_next); | |
70 | VERIFY( r1 == codecvt_base::ok ); | |
71 | VERIFY( !int_traits::compare(i_arr, i_lit, size) ); | |
72 | VERIFY( efrom_next == e_lit + size ); | |
73 | VERIFY( ito_next == i_arr + size ); | |
74 | ||
75 | // out | |
76 | w_codecvt::state_type state02; | |
77 | zero_state(state02); | |
78 | result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, | |
79 | e_arr, e_arr + size, eto_next); | |
80 | VERIFY( r2 == codecvt_base::ok ); | |
81 | VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); | |
82 | VERIFY( ifrom_next == i_lit + size ); | |
83 | VERIFY( eto_next == e_arr + size ); | |
84 | ||
85 | // unshift | |
86 | strcpy(e_arr, e_lit); | |
87 | w_codecvt::state_type state03; | |
88 | zero_state(state03); | |
89 | result r3 = cvt->unshift(state03, e_arr, e_arr + size, eto_next); | |
90 | VERIFY( r3 == codecvt_base::noconv ); | |
91 | VERIFY( !strcmp(e_arr, e_lit) ); | |
92 | VERIFY( eto_next == e_arr ); | |
b5623829 | 93 | } |
6f322d27 BK |
94 | |
95 | int main () | |
96 | { | |
97 | test01(); | |
6f322d27 BK |
98 | return 0; |
99 | } |