1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // REQUIRES: locale.en_US.UTF-8 10 11 // <iomanip> 12 13 // template <class charT> T9 get_time(struct tm* tmb, const charT* fmt); 14 15 #include <iomanip> 16 #include <istream> 17 #include <cassert> 18 19 #include "test_macros.h" 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 testbuftestbuf32 testbuf() {} testbuftestbuf33 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 main(int,char **)42int main(int, char**) 43 { 44 { 45 testbuf<char> sb(" Sat Dec 31 23:55:59 2061"); 46 std::istream is(&sb); 47 is.imbue(std::locale(LOCALE_en_US_UTF_8)); 48 std::tm t = {}; 49 is >> std::get_time(&t, "%a %b %d %H:%M:%S %Y"); 50 assert(t.tm_sec == 59); 51 assert(t.tm_min == 55); 52 assert(t.tm_hour == 23); 53 assert(t.tm_mday == 31); 54 assert(t.tm_mon == 11); 55 assert(t.tm_year == 161); 56 assert(t.tm_wday == 6); 57 assert(is.eof()); 58 assert(!is.fail()); 59 } 60 { 61 testbuf<wchar_t> sb(L" Sat Dec 31 23:55:59 2061"); 62 std::wistream is(&sb); 63 is.imbue(std::locale(LOCALE_en_US_UTF_8)); 64 std::tm t = {}; 65 is >> std::get_time(&t, L"%a %b %d %H:%M:%S %Y"); 66 assert(t.tm_sec == 59); 67 assert(t.tm_min == 55); 68 assert(t.tm_hour == 23); 69 assert(t.tm_mday == 31); 70 assert(t.tm_mon == 11); 71 assert(t.tm_year == 161); 72 assert(t.tm_wday == 6); 73 assert(is.eof()); 74 assert(!is.fail()); 75 } 76 77 return 0; 78 } 79