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1 | // 2000-08-18 Benjamin Kosnik <bkoz@cygnus.com> |
2 | ||
4b9aaf63 | 3 | // Copyright (C) 2000, 2002 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 | ||
4bc95009 | 23 | #include <cwchar> // for mbstate_t |
6f322d27 | 24 | #include <locale> |
fe413112 | 25 | #include <testsuite_hooks.h> |
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26 | |
27 | ||
28 | // Need to explicitly set the state(mbstate_t) to zero. | |
7ee9826b | 29 | // How to do this is not specified by the ISO C99 standard, so we |
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30 | // might need to add some operators to make the intuiative case |
31 | // work: | |
32 | // w_codecvt::state_type state00; | |
33 | // state00 = 0; | |
34 | // or, can use this explicit "C" initialization: | |
35 | // w_codecvt::state_type state01 = {0, 0}; | |
36 | // .. except Ulrich says: Use memset. Always use memset. Feel the force... | |
35a63b94 | 37 | #ifdef _GLIBCPP_USE_WCHAR_T |
6f322d27 | 38 | void |
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39 | zero_state(std::mbstate_t& state) |
40 | { std::memset(&state, 0, sizeof(std::mbstate_t)); } | |
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41 | |
42 | // Required instantiation | |
43 | // codecvt<wchar_t, char, mbstate_t> | |
44 | void test01() | |
45 | { | |
46 | using namespace std; | |
47 | typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; | |
48 | typedef codecvt_base::result result; | |
49 | typedef wchar_t int_type; | |
50 | typedef char ext_type; | |
51 | typedef char_traits<wchar_t> int_traits; | |
52 | typedef char_traits<char> ext_traits; | |
53 | ||
54 | bool test = true; | |
55 | const ext_type* e_lit = "black pearl jasmine tea"; | |
56 | const ext_type* efrom_next; | |
57 | const int_type* i_lit = L"black pearl jasmine tea"; | |
58 | const int_type* ifrom_next; | |
59 | int size = strlen(e_lit); | |
60 | ext_type* e_arr = new ext_type[size + 1]; | |
61 | ext_type* eto_next; | |
62 | int_type* i_arr = new int_type[size + 1]; | |
63 | int_type* ito_next; | |
64 | ||
65 | locale loc; | |
66 | const w_codecvt* cvt = &use_facet<w_codecvt>(loc); | |
67 | ||
68 | // in | |
69 | w_codecvt::state_type state01; | |
70 | zero_state(state01); | |
71 | result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next, | |
72 | i_arr, i_arr + size, ito_next); | |
73 | VERIFY( r1 == codecvt_base::ok ); | |
74 | VERIFY( !int_traits::compare(i_arr, i_lit, size) ); | |
75 | VERIFY( efrom_next == e_lit + size ); | |
76 | VERIFY( ito_next == i_arr + size ); | |
77 | ||
78 | // out | |
79 | w_codecvt::state_type state02; | |
80 | zero_state(state02); | |
81 | result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next, | |
82 | e_arr, e_arr + size, eto_next); | |
83 | VERIFY( r2 == codecvt_base::ok ); | |
84 | VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); | |
85 | VERIFY( ifrom_next == i_lit + size ); | |
86 | VERIFY( eto_next == e_arr + size ); | |
87 | ||
88 | // unshift | |
89 | strcpy(e_arr, e_lit); | |
90 | w_codecvt::state_type state03; | |
91 | zero_state(state03); | |
92 | result r3 = cvt->unshift(state03, e_arr, e_arr + size, eto_next); | |
93 | VERIFY( r3 == codecvt_base::noconv ); | |
94 | VERIFY( !strcmp(e_arr, e_lit) ); | |
95 | VERIFY( eto_next == e_arr ); | |
96 | ||
97 | int i = cvt->encoding(); | |
07814743 | 98 | VERIFY( i == 4 ); // Target-dependent. |
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99 | |
100 | VERIFY( !cvt->always_noconv() ); | |
101 | ||
102 | w_codecvt::state_type state04; | |
103 | zero_state(state04); | |
104 | int j = cvt->length(state03, e_lit, e_lit + size, 5); | |
105 | VERIFY( j == 5 ); | |
106 | ||
107 | int k = cvt->max_length(); | |
108 | VERIFY( k == 1 ); | |
109 | ||
110 | delete [] e_arr; | |
111 | delete [] i_arr; | |
112 | } | |
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113 | |
114 | // libstdc++/5280 | |
115 | void test02() | |
116 | { | |
b6a95741 | 117 | #ifdef _GLIBCPP_HAVE_SETENV |
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118 | // Set the global locale to non-"C". |
119 | std::locale loc_de("de_DE"); | |
120 | std::locale::global(loc_de); | |
121 | ||
122 | // Set LANG environment variable to de_DE. | |
123 | const char* oldLANG = getenv("LANG"); | |
124 | if (!setenv("LANG", "de_DE", 1)) | |
125 | { | |
126 | test01(); | |
4a78d864 | 127 | setenv("LANG", oldLANG ? oldLANG : "", 1); |
4b9aaf63 | 128 | } |
b6a95741 | 129 | #endif |
4b9aaf63 | 130 | } |
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131 | #endif /* !defined(_GLIBCPP_USE_WCHAR_T) */ |
132 | ||
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133 | |
134 | int main () | |
135 | { | |
35a63b94 | 136 | #if _GLIBCPP_USE_WCHAR_T |
6f322d27 | 137 | test01(); |
4b9aaf63 | 138 | test02(); |
35a63b94 | 139 | #endif |
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140 | |
141 | return 0; | |
142 | } |