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, void*& v) const;
16 
17 #include <locale>
18 #include <ios>
19 #include <cassert>
20 #include <streambuf>
21 #include "test_iterators.h"
22 
23 typedef std::num_get<char, input_iterator<const char*> > F;
24 
25 class my_facet
26     : public F
27 {
28 public:
my_facet(std::size_t refs=0)29     explicit my_facet(std::size_t refs = 0)
30         : F(refs) {}
31 };
32 
main()33 int main()
34 {
35     const my_facet f(1);
36     std::ios ios(0);
37     {
38         const char str[] = "0x0";
39         std::ios_base::iostate err = ios.goodbit;
40         void* p;
41         input_iterator<const char*> iter =
42             f.get(input_iterator<const char*>(str),
43                   input_iterator<const char*>(str+sizeof(str)),
44                   ios, err, p);
45         assert(iter.base() == str+sizeof(str)-1);
46         assert(err == ios.goodbit);
47         assert(p == 0);
48     }
49     {
50         const char str[] = "0x73";
51         std::ios_base::iostate err = ios.goodbit;
52         void* p;
53         input_iterator<const char*> iter =
54             f.get(input_iterator<const char*>(str),
55                   input_iterator<const char*>(str+sizeof(str)),
56                   ios, err, p);
57         assert(iter.base() == str+sizeof(str)-1);
58         assert(err == ios.goodbit);
59         assert(p == (void*)0x73);
60     }
61 }
62