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1 // 2001-11-21 Benjamin Kosnik <bkoz@redhat.com> | |
2 | |
3 // Copyright (C) 2001, 2002, 2003, 2004, 2009 Free Software Foundation | |
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 3, 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 COPYING3. If not see | |
18 // <http://www.gnu.org/licenses/>. | |
19 | |
20 // 22.2.2.1.1 num_get members | |
21 | |
22 // { dg-do run { xfail lax_strtofp } } | |
23 | |
24 #include <locale> | |
25 #include <sstream> | |
26 #include <testsuite_hooks.h> | |
27 | |
28 void test02() | |
29 { | |
30 using namespace std; | |
31 typedef istreambuf_iterator<char> iterator_type; | |
32 | |
33 bool test __attribute__((unused)) = true; | |
34 | |
35 // basic construction | |
36 locale loc_c = locale::classic(); | |
37 | |
38 // sanity check the data is correct. | |
39 const string empty; | |
40 | |
41 bool b1 = true; | |
42 bool b0 = false; | |
43 unsigned long ul1 = 1294967294; | |
44 unsigned long ul2 = 0; | |
45 unsigned long ul; | |
46 double d1 = 1.02345e+308; | |
47 double d2 = 3.15e-308; | |
48 double d; | |
49 | |
50 // cache the num_get facet | |
51 istringstream iss; | |
52 iss.imbue(loc_c); | |
53 const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc()); | |
54 const ios_base::iostate goodbit = ios_base::goodbit; | |
55 const ios_base::iostate eofbit = ios_base::eofbit; | |
56 ios_base::iostate err = ios_base::goodbit; | |
57 | |
58 // C | |
59 // bool, more twisted examples | |
60 iss.str("true "); | |
61 iss.clear(); | |
62 iss.setf(ios_base::boolalpha); | |
63 err = goodbit; | |
64 ng.get(iss.rdbuf(), 0, iss, err, b0); | |
65 VERIFY( b0 == true ); | |
66 VERIFY( err == goodbit ); | |
67 | |
68 iss.str("false "); | |
69 iss.clear(); | |
70 iss.setf(ios_base::boolalpha); | |
71 err = goodbit; | |
72 ng.get(iss.rdbuf(), 0, iss, err, b1); | |
73 VERIFY( b1 == false ); | |
74 VERIFY( err == goodbit ); | |
75 | |
76 // unsigned long, in a locale that does not group | |
77 iss.imbue(loc_c); | |
78 iss.str("1294967294"); | |
79 iss.clear(); | |
80 err = goodbit; | |
81 ng.get(iss.rdbuf(), 0, iss, err, ul); | |
82 VERIFY( ul == ul1); | |
83 VERIFY( err == eofbit ); | |
84 | |
85 iss.str("0+++++++++++++++++++"); | |
86 iss.clear(); | |
87 err = goodbit; | |
88 ng.get(iss.rdbuf(), 0, iss, err, ul); | |
89 VERIFY( ul == ul2); | |
90 VERIFY( err == goodbit ); | |
91 | |
92 // double | |
93 iss.imbue(loc_c); | |
94 iss.str("1.02345e+308++++++++"); | |
95 iss.clear(); | |
96 iss.width(20); | |
97 iss.setf(ios_base::left, ios_base::adjustfield); | |
98 err = goodbit; | |
99 ng.get(iss.rdbuf(), 0, iss, err, d); | |
100 VERIFY( d == d1 ); | |
101 VERIFY( err == goodbit ); | |
102 | |
103 iss.str("+3.15e-308"); | |
104 iss.clear(); | |
105 iss.width(20); | |
106 iss.setf(ios_base::right, ios_base::adjustfield); | |
107 err = goodbit; | |
108 ng.get(iss.rdbuf(), 0, iss, err, d); | |
109 VERIFY( d == d2 ); | |
110 VERIFY( err == eofbit ); | |
111 } | |
112 | |
113 int main() | |
114 { | |
115 test02(); | |
116 return 0; | |
117 } | |
118 | |
119 | |
120 // Kathleen Hannah, humanitarian, woman, art-thief | |
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