put_time.pass.cpp (2362B)
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 // REQUIRES: locale.en_US.UTF-8 11 12 // <iomanip> 13 14 // template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt); 15 16 #include <iomanip> 17 #include <ostream> 18 #include <cassert> 19 20 #include "platform_support.h" // locale name macros 21 22 template <class CharT> 23 class testbuf 24 : public std::basic_streambuf<CharT> 25 { 26 typedef std::basic_streambuf<CharT> base; 27 std::basic_string<CharT> str_; 28 public: 29 testbuf() 30 { 31 } 32 33 std::basic_string<CharT> str() const 34 {return std::basic_string<CharT>(base::pbase(), base::pptr());} 35 36 protected: 37 38 virtual typename base::int_type 39 overflow(typename base::int_type ch = base::traits_type::eof()) 40 { 41 if (ch != base::traits_type::eof()) 42 { 43 int n = static_cast<int>(str_.size()); 44 str_.push_back(static_cast<CharT>(ch)); 45 str_.resize(str_.capacity()); 46 base::setp(const_cast<CharT*>(str_.data()), 47 const_cast<CharT*>(str_.data() + str_.size())); 48 base::pbump(n+1); 49 } 50 return ch; 51 } 52 }; 53 54 int main() 55 { 56 { 57 testbuf<char> sb; 58 std::ostream os(&sb); 59 os.imbue(std::locale(LOCALE_en_US_UTF_8)); 60 std::tm t = {}; 61 t.tm_sec = 59; 62 t.tm_min = 55; 63 t.tm_hour = 23; 64 t.tm_mday = 31; 65 t.tm_mon = 11; 66 t.tm_year = 161; 67 t.tm_wday = 6; 68 t.tm_isdst = 0; 69 os << std::put_time(&t, "%a %b %d %H:%M:%S %Y"); 70 assert(sb.str() == "Sat Dec 31 23:55:59 2061"); 71 } 72 { 73 testbuf<wchar_t> sb; 74 std::wostream os(&sb); 75 os.imbue(std::locale(LOCALE_en_US_UTF_8)); 76 std::tm t = {}; 77 t.tm_sec = 59; 78 t.tm_min = 55; 79 t.tm_hour = 23; 80 t.tm_mday = 31; 81 t.tm_mon = 11; 82 t.tm_year = 161; 83 t.tm_wday = 6; 84 os << std::put_time(&t, L"%a %b %d %H:%M:%S %Y"); 85 assert(sb.str() == L"Sat Dec 31 23:55:59 2061"); 86 } 87 }