libcxx

libcxx mirror with random patches
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get_money.pass.cpp (2051B)


      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 // <iomanip>
     11 
     12 // template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
     13 
     14 // REQUIRES: locale.en_US.UTF-8
     15 
     16 #include <iomanip>
     17 #include <istream>
     18 #include <cassert>
     19 
     20 #include "platform_support.h" // locale name macros
     21 
     22 template <class CharT>
     23 struct testbuf
     24     : public std::basic_streambuf<CharT>
     25 {
     26     typedef std::basic_string<CharT> string_type;
     27     typedef std::basic_streambuf<CharT> base;
     28 private:
     29     string_type str_;
     30 public:
     31 
     32     testbuf() {}
     33     testbuf(const string_type& str)
     34         : str_(str)
     35     {
     36         base::setg(const_cast<CharT*>(str_.data()),
     37                    const_cast<CharT*>(str_.data()),
     38                    const_cast<CharT*>(str_.data()) + str_.size());
     39     }
     40 };
     41 
     42 int main()
     43 {
     44     {
     45         testbuf<char> sb("  -$1,234,567.89");
     46         std::istream is(&sb);
     47         is.imbue(std::locale(LOCALE_en_US_UTF_8));
     48         long double x = 0;
     49         is >> std::get_money(x, false);
     50         assert(x == -123456789);
     51     }
     52     {
     53         testbuf<char> sb("  -USD 1,234,567.89");
     54         std::istream is(&sb);
     55         is.imbue(std::locale(LOCALE_en_US_UTF_8));
     56         long double x = 0;
     57         is >> std::get_money(x, true);
     58         assert(x == -123456789);
     59     }
     60     {
     61         testbuf<wchar_t> sb(L"  -$1,234,567.89");
     62         std::wistream is(&sb);
     63         is.imbue(std::locale(LOCALE_en_US_UTF_8));
     64         long double x = 0;
     65         is >> std::get_money(x, false);
     66         assert(x == -123456789);
     67     }
     68     {
     69         testbuf<wchar_t> sb(L"  -USD 1,234,567.89");
     70         std::wistream is(&sb);
     71         is.imbue(std::locale(LOCALE_en_US_UTF_8));
     72         long double x = 0;
     73         is >> std::get_money(x, true);
     74         assert(x == -123456789);
     75     }
     76 }