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 int& 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: 29 explicit my_facet(std::size_t refs = 0) 30 : F(refs) {} 31 }; 32 33 class my_numpunct 34 : public std::numpunct<char> 35 { 36 public: 37 my_numpunct() : std::numpunct<char>() {} 38 39 protected: 40 virtual char_type do_thousands_sep() const {return '_';} 41 virtual std::string do_grouping() const {return std::string("\1\2\3");} 42 }; 43 44 int main() 45 { 46 const my_facet f(1); 47 std::ios ios(0); 48 unsigned int v = static_cast<unsigned int>(-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[] = "0xFFFFFFFF"; 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 == 0xFFFFFFFF); 82 } 83 } 84
