put_money.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1//===----------------------------------------------------------------------===//
2//
3// ��������������������The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <iomanip>
11
12// template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
13
14#include <iomanip>
15#include <cassert>
16
17template <class CharT>
18class testbuf
19    : public std::basic_streambuf<CharT>
20{
21    typedef std::basic_streambuf<CharT> base;
22    std::basic_string<CharT> str_;
23public:
24    testbuf()
25    {
26    }
27
28    std::basic_string<CharT> str() const
29        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
30
31protected:
32
33    virtual typename base::int_type
34        overflow(typename base::int_type __c = base::traits_type::eof())
35        {
36            if (__c != base::traits_type::eof())
37            {
38                int n = str_.size();
39                str_.push_back(__c);
40                str_.resize(str_.capacity());
41                base::setp(const_cast<CharT*>(str_.data()),
42                           const_cast<CharT*>(str_.data() + str_.size()));
43                base::pbump(n+1);
44            }
45            return __c;
46        }
47};
48
49int main()
50{
51    {
52        testbuf<char> sb;
53        std::ostream os(&sb);
54        os.imbue(std::locale("en_US"));
55        showbase(os);
56        long double x = -123456789;
57        os << std::put_money(x, false);
58        assert(sb.str() == "-$1,234,567.89");
59    }
60    {
61        testbuf<char> sb;
62        std::ostream os(&sb);
63        os.imbue(std::locale("en_US"));
64        showbase(os);
65        long double x = -123456789;
66        os << std::put_money(x, true);
67        assert(sb.str() == "-USD 1,234,567.89");
68    }
69    {
70        testbuf<wchar_t> sb;
71        std::wostream os(&sb);
72        os.imbue(std::locale("en_US"));
73        showbase(os);
74        long double x = -123456789;
75        os << std::put_money(x, false);
76        assert(sb.str() == L"-$1,234,567.89");
77    }
78    {
79        testbuf<wchar_t> sb;
80        std::wostream os(&sb);
81        os.imbue(std::locale("en_US"));
82        showbase(os);
83        long double x = -123456789;
84        os << std::put_money(x, true);
85        assert(sb.str() == L"-USD 1,234,567.89");
86    }
87}
88