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8d9254fc | 1 | // Copyright (C) 2005-2020 Free Software Foundation, Inc. |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
82ce2a94 | 17 | |
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18 | |
19 | // 22.2.1.3.2 ctype<char> members | |
20 | ||
21 | #include <locale> | |
1b716e90 | 22 | #include <cstring> |
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23 | #include <testsuite_hooks.h> |
24 | ||
25 | class Ctype1 | |
26 | : public std::ctype<char> | |
27 | { | |
28 | protected: | |
29 | const char* | |
30 | do_narrow(const char* lo, const char* hi, | |
8b5bc374 | 31 | char, char* to) const |
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32 | { |
33 | for (int i = 0; lo != hi; ++lo, ++to, ++i) | |
34 | *to = *lo + i; | |
35 | return hi; | |
36 | } | |
37 | }; | |
38 | ||
39 | class Ctype2 | |
40 | : public std::ctype<char> | |
41 | { | |
42 | protected: | |
43 | const char* | |
44 | do_narrow(const char* lo, const char* hi, | |
45 | char dflt, char* to) const | |
46 | { | |
47 | for (int i = 0; lo != hi; ++lo, ++to, ++i) | |
48 | if (*lo == '\000') | |
49 | *to = dflt; | |
50 | else | |
51 | *to = *lo; | |
52 | return hi; | |
53 | } | |
54 | }; | |
55 | ||
56 | // libstdc++/19955 | |
57 | void test01() | |
58 | { | |
59 | using namespace std; | |
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60 | |
61 | const char src[] = "abcd"; | |
62 | ||
63 | locale mylocale1(locale::classic(), new Ctype1); | |
64 | const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1); | |
65 | ||
66 | char dst1[sizeof(src)]; | |
67 | memset(dst1, 0, sizeof(src)); | |
68 | char dst2[sizeof(src)]; | |
69 | memset(dst2, 0, sizeof(src)); | |
70 | ||
71 | mc1.narrow(src, src + sizeof(src), '*', dst1); | |
72 | mc1.narrow(src, src + sizeof(src), '*', dst2); | |
73 | ||
74 | VERIFY( !memcmp(dst1, "aceg\004", 5) ); | |
75 | VERIFY( !memcmp(dst1, dst2, 5) ); | |
76 | ||
77 | locale mylocale2(locale::classic(), new Ctype2); | |
78 | const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2); | |
79 | ||
80 | char dst3[sizeof(src)]; | |
81 | memset(dst3, 0, sizeof(src)); | |
82 | char dst4[sizeof(src)]; | |
83 | memset(dst4, 0, sizeof(src)); | |
84 | ||
85 | mc2.narrow(src, src + sizeof(src), '*', dst3); | |
86 | mc2.narrow(src, src + sizeof(src), '*', dst4); | |
87 | ||
88 | VERIFY( !memcmp(dst3, "abcd*", 5) ); | |
89 | VERIFY( !memcmp(dst3, dst4, 5) ); | |
90 | } | |
91 | ||
92 | int main() | |
93 | { | |
94 | test01(); | |
95 | return 0; | |
96 | } |