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> T9 get_time(struct tm* tmb, const charT* fmt);
13 
14 #include <iomanip>
15 #include <cassert>
16 
17 #include "platform_support.h" // locale name macros
18 
19 template <class CharT>
20 struct testbuf
21     : public std::basic_streambuf<CharT>
22 {
23     typedef std::basic_string<CharT> string_type;
24     typedef std::basic_streambuf<CharT> base;
25 private:
26     string_type str_;
27 public:
28 
testbuftestbuf29     testbuf() {}
testbuftestbuf30     testbuf(const string_type& str)
31         : str_(str)
32     {
33         base::setg(const_cast<CharT*>(str_.data()),
34                    const_cast<CharT*>(str_.data()),
35                    const_cast<CharT*>(str_.data()) + str_.size());
36     }
37 };
38 
main()39 int main()
40 {
41     {
42         testbuf<char> sb("  Sat Dec 31 23:55:59 2061");
43         std::istream is(&sb);
44         is.imbue(std::locale(LOCALE_en_US_UTF_8));
45         std::tm t = {0};
46         is >> std::get_time(&t, "%a %b %d %H:%M:%S %Y");
47         assert(t.tm_sec == 59);
48         assert(t.tm_min == 55);
49         assert(t.tm_hour == 23);
50         assert(t.tm_mday == 31);
51         assert(t.tm_mon == 11);
52         assert(t.tm_year == 161);
53         assert(t.tm_wday == 6);
54         assert(is.eof());
55         assert(!is.fail());
56     }
57     {
58         testbuf<wchar_t> sb(L"  Sat Dec 31 23:55:59 2061");
59         std::wistream is(&sb);
60         is.imbue(std::locale(LOCALE_en_US_UTF_8));
61         std::tm t = {0};
62         is >> std::get_time(&t, L"%a %b %d %H:%M:%S %Y");
63         assert(t.tm_sec == 59);
64         assert(t.tm_min == 55);
65         assert(t.tm_hour == 23);
66         assert(t.tm_mday == 31);
67         assert(t.tm_mon == 11);
68         assert(t.tm_year == 161);
69         assert(t.tm_wday == 6);
70         assert(is.eof());
71         assert(!is.fail());
72     }
73 }
74