get_unsigned_long_long.pass.cpp revision 239e341c94184e2ed2357f2e054c84fbb1fbed2a 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <locale>
11
12// class num_get<charT, InputIterator>
13
14// iter_type get(iter_type in, iter_type end, ios_base&,
15//               ios_base::iostate& err, unsigned long long& v) const;
16
17#include <locale>
18#include <ios>
19#include <cassert>
20#include <streambuf>
21#include "../../../../../iterators.h"
22
23typedef std::num_get<char, input_iterator<const char*> > F;
24
25class my_facet
26    : public F
27{
28public:
29    explicit my_facet(std::size_t refs = 0)
30        : F(refs) {}
31};
32
33class my_numpunct
34    : public std::numpunct<char>
35{
36public:
37    my_numpunct() : std::numpunct<char>() {}
38
39protected:
40    virtual char_type do_thousands_sep() const {return '_';}
41    virtual std::string do_grouping() const {return std::string("\1\2\3");}
42};
43
44int main()
45{
46    const my_facet f(1);
47    std::ios ios(0);
48    unsigned long long v = -1;
49    {
50        const char str[] = "0";
51        std::ios_base::iostate err = ios.goodbit;
52        input_iterator<const char*> iter =
53            f.get(input_iterator<const char*>(str),
54                  input_iterator<const char*>(str+sizeof(str)),
55                  ios, err, v);
56        assert(iter.base() == str+sizeof(str)-1);
57        assert(err == ios.goodbit);
58        assert(v == 0);
59    }
60    {
61        const char str[] = "1";
62        std::ios_base::iostate err = ios.goodbit;
63        input_iterator<const char*> iter =
64            f.get(input_iterator<const char*>(str),
65                  input_iterator<const char*>(str+sizeof(str)),
66                  ios, err, v);
67        assert(iter.base() == str+sizeof(str)-1);
68        assert(err == ios.goodbit);
69        assert(v == 1);
70    }
71    hex(ios);
72    {
73        const char str[] = "0xFFFFFFFFFFFFFFFF";
74        std::ios_base::iostate err = ios.goodbit;
75        input_iterator<const char*> iter =
76            f.get(input_iterator<const char*>(str),
77                  input_iterator<const char*>(str+sizeof(str)),
78                  ios, err, v);
79        assert(iter.base() == str+sizeof(str)-1);
80        assert(err == ios.goodbit);
81        assert(v == 0xFFFFFFFFFFFFFFFFULL);
82    }
83}
84