put_time.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431 
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 charT> T10 put_time(const struct tm* tmb, const charT* fmt);
13
14#include <iomanip>
15#include <cassert>
16
17#include "platform_support.h" // locale name macros
18
19template <class CharT>
20class testbuf
21    : public std::basic_streambuf<CharT>
22{
23    typedef std::basic_streambuf<CharT> base;
24    std::basic_string<CharT> str_;
25public:
26    testbuf()
27    {
28    }
29
30    std::basic_string<CharT> str() const
31        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
32
33protected:
34
35    virtual typename base::int_type
36        overflow(typename base::int_type __c = base::traits_type::eof())
37        {
38            if (__c != base::traits_type::eof())
39            {
40                int n = str_.size();
41                str_.push_back(__c);
42                str_.resize(str_.capacity());
43                base::setp(const_cast<CharT*>(str_.data()),
44                           const_cast<CharT*>(str_.data() + str_.size()));
45                base::pbump(n+1);
46            }
47            return __c;
48        }
49};
50
51int main()
52{
53    {
54        testbuf<char> sb;
55        std::ostream os(&sb);
56        os.imbue(std::locale(LOCALE_en_US_UTF_8));
57        std::tm t = {0};
58        t.tm_sec = 59;
59        t.tm_min = 55;
60        t.tm_hour = 23;
61        t.tm_mday = 31;
62        t.tm_mon = 11;
63        t.tm_year = 161;
64        t.tm_wday = 6;
65        os << std::put_time(&t, "%c");
66        assert(sb.str() == "Sat Dec 31 23:55:59 2061");
67    }
68    {
69        testbuf<wchar_t> sb;
70        std::wostream os(&sb);
71        os.imbue(std::locale(LOCALE_en_US_UTF_8));
72        std::tm t = {0};
73        t.tm_sec = 59;
74        t.tm_min = 55;
75        t.tm_hour = 23;
76        t.tm_mday = 31;
77        t.tm_mon = 11;
78        t.tm_year = 161;
79        t.tm_wday = 6;
80        os << std::put_time(&t, L"%c");
81        assert(sb.str() == L"Sat Dec 31 23:55:59 2061");
82    }
83}
84