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1 | // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
2 | ||
5f8d36fe | 3 | // Copyright (C) 2000, 2002, 2003 Free Software Foundation |
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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> |
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25 | |
26 | // Required instantiation, degenerate conversion. | |
27 | // codecvt<char, char, mbstate_t> | |
28 | void test01() | |
29 | { | |
30 | using namespace std; | |
31 | typedef codecvt_base::result result; | |
32 | typedef codecvt<char, char, mbstate_t> c_codecvt; | |
33 | ||
34 | bool test = true; | |
35 | const char* c_lit = "black pearl jasmine tea"; | |
36 | const char* from_next; | |
37 | int size = 25; | |
38 | char* c_arr = new char[size]; | |
b1599033 | 39 | char* c_ref = new char[size]; |
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40 | char* to_next; |
41 | ||
5f8d36fe | 42 | locale loc = locale::classic(); |
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43 | c_codecvt::state_type state; |
44 | const c_codecvt* cvt = &use_facet<c_codecvt>(loc); | |
45 | ||
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46 | // According to the resolution of DR19 (see also libstd++/9168), in |
47 | // case of degenerate conversion ('noconv'), "there are no changes to | |
48 | // the values in [to, to_limit)." | |
49 | memset(c_ref, 'X', size); | |
50 | ||
6f322d27 | 51 | // in |
b1599033 | 52 | memset(c_arr, 'X', size); |
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53 | result r1 = cvt->in(state, c_lit, c_lit + size, from_next, |
54 | c_arr, c_arr + size, to_next); | |
55 | VERIFY( r1 == codecvt_base::noconv ); | |
b1599033 | 56 | VERIFY( !memcmp(c_arr, c_ref, size) ); |
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57 | VERIFY( from_next == c_lit ); |
58 | VERIFY( to_next == c_arr ); | |
59 | ||
60 | // out | |
b1599033 | 61 | memset(c_arr, 'X', size); |
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62 | result r2 = cvt->out(state, c_lit, c_lit + size, from_next, |
63 | c_arr, c_arr + size, to_next); | |
64 | VERIFY( r2 == codecvt_base::noconv ); | |
b1599033 | 65 | VERIFY( !memcmp(c_arr, c_ref, size) ); |
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66 | VERIFY( from_next == c_lit ); |
67 | VERIFY( to_next == c_arr ); | |
68 | ||
69 | // unshift | |
70 | strcpy(c_arr, c_lit); | |
71 | result r3 = cvt->unshift(state, c_arr, c_arr + size, to_next); | |
72 | VERIFY( r3 == codecvt_base::noconv ); | |
73 | VERIFY( !strcmp(c_arr, c_lit) ); | |
74 | VERIFY( to_next == c_arr ); | |
75 | ||
6f322d27 | 76 | delete [] c_arr; |
b1599033 | 77 | delete [] c_ref; |
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78 | } |
79 | ||
80 | int main () | |
81 | { | |
82 | test01(); | |
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83 | return 0; |
84 | } |