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bbe34707 | 1 | // 2000-08-17 Benjamin Kosnik <bkoz@cygnus.com> |
2 | ||
f1717362 | 3 | // Copyright (C) 2000-2016 Free Software Foundation, Inc. |
bbe34707 | 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 | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
bbe34707 | 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 | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
bbe34707 | 19 | |
20 | // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] | |
21 | ||
22 | #include <locale> | |
1f3fc4aa | 23 | #include <cstring> |
0194306c | 24 | #include <testsuite_hooks.h> |
bbe34707 | 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 | ||
f8ef786c | 34 | bool test __attribute__((unused)) = true; |
bbe34707 | 35 | const char* c_lit = "black pearl jasmine tea"; |
36 | const char* from_next; | |
2c9909d0 | 37 | int size = std::strlen(c_lit); |
bbe34707 | 38 | char* c_arr = new char[size]; |
da14579e | 39 | char* c_ref = new char[size]; |
bbe34707 | 40 | char* to_next; |
41 | ||
2f14cd74 | 42 | locale loc = locale::classic(); |
bbe34707 | 43 | c_codecvt::state_type state; |
44 | const c_codecvt* cvt = &use_facet<c_codecvt>(loc); | |
45 | ||
da14579e | 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 | ||
bbe34707 | 51 | // in |
da14579e | 52 | memset(c_arr, 'X', size); |
bbe34707 | 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 ); | |
da14579e | 56 | VERIFY( !memcmp(c_arr, c_ref, size) ); |
bbe34707 | 57 | VERIFY( from_next == c_lit ); |
58 | VERIFY( to_next == c_arr ); | |
59 | ||
60 | // out | |
da14579e | 61 | memset(c_arr, 'X', size); |
bbe34707 | 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 ); | |
da14579e | 65 | VERIFY( !memcmp(c_arr, c_ref, size) ); |
bbe34707 | 66 | VERIFY( from_next == c_lit ); |
67 | VERIFY( to_next == c_arr ); | |
68 | ||
69 | // unshift | |
2c9909d0 | 70 | memcpy(c_arr, c_lit, size); |
bbe34707 | 71 | result r3 = cvt->unshift(state, c_arr, c_arr + size, to_next); |
72 | VERIFY( r3 == codecvt_base::noconv ); | |
2c9909d0 | 73 | VERIFY( !memcmp(c_arr, c_lit, size) ); |
bbe34707 | 74 | VERIFY( to_next == c_arr ); |
75 | ||
bbe34707 | 76 | delete [] c_arr; |
da14579e | 77 | delete [] c_ref; |
bbe34707 | 78 | } |
79 | ||
80 | int main () | |
81 | { | |
82 | test01(); | |
bbe34707 | 83 | return 0; |
84 | } |