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1 | // 2003-12-19 Paolo Carlini <pcarlini@suse.de> |
2 | ||
a5544970 | 3 | // Copyright (C) 2003-2019 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 22.2.2.1.1 num_get members | |
21 | ||
22 | #include <locale> | |
23 | #include <sstream> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void test01() | |
27 | { | |
28 | using namespace std; | |
29 | typedef istreambuf_iterator<wchar_t> iterator_type; | |
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30 | |
31 | wistringstream iss; | |
32 | const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc()); | |
33 | ios_base::iostate err = ios_base::goodbit; | |
34 | iterator_type end; | |
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35 | float f = 1.0f; |
36 | double d = 1.0; | |
37 | long double ld = 1.0l; | |
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38 | |
39 | iss.str(L"1e."); | |
40 | err = ios_base::goodbit; | |
41 | end = ng.get(iss.rdbuf(), 0, iss, err, f); | |
5ef46f95 | 42 | VERIFY( err == ios_base::failbit ); |
1b451306 | 43 | VERIFY( *end == L'.' ); |
5ef46f95 | 44 | VERIFY( f == 0.0f ); |
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45 | |
46 | iss.str(L"3e+"); | |
47 | iss.clear(); | |
48 | err = ios_base::goodbit; | |
49 | end = ng.get(iss.rdbuf(), 0, iss, err, d); | |
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50 | VERIFY( err == (ios_base::failbit | ios_base::eofbit) ); |
51 | VERIFY( d == 0.0 ); | |
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52 | |
53 | iss.str(L"6e "); | |
54 | iss.clear(); | |
55 | err = ios_base::goodbit; | |
56 | end = ng.get(iss.rdbuf(), 0, iss, err, ld); | |
1b451306 | 57 | VERIFY( *end == L' ' ); |
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58 | |
59 | // libstdc++/37624. We can't always obtain the required behavior | |
60 | // when sscanf is involved, because of, e.g., glibc/1765. | |
61 | #if defined(_GLIBCXX_HAVE_STRTOLD) && !defined(_GLIBCXX_HAVE_BROKEN_STRTOLD) | |
62 | VERIFY( err == ios_base::failbit ); | |
5ef46f95 | 63 | VERIFY( ld == 0.0l ); |
1304d581 | 64 | #endif |
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65 | } |
66 | ||
67 | int main() | |
68 | { | |
69 | test01(); | |
70 | return 0; | |
71 | } |