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> T10 put_time(const struct tm* tmb, const charT* fmt);
14
15#include <cassert>
16#include <ctime>
17#include <iomanip>
18#include <ostream>
19
20#include "test_macros.h"
21#include "platform_support.h" // locale name macros
22
23template <class CharT>
24class testbuf
25 : public std::basic_streambuf<CharT>
26{
27 typedef std::basic_streambuf<CharT> base;
28 std::basic_string<CharT> str_;
29public:
30 testbuf()
31 {
32 }
33
34 std::basic_string<CharT> str() const
35 {return std::basic_string<CharT>(base::pbase(), base::pptr());}
36
37protected:
38
39 virtual typename base::int_type
40 overflow(typename base::int_type ch = base::traits_type::eof())
41 {
42 if (ch != base::traits_type::eof())
43 {
44 int n = static_cast<int>(str_.size());
45 str_.push_back(static_cast<CharT>(ch));
46 str_.resize(str_.capacity());
47 base::setp(const_cast<CharT*>(str_.data()),
48 const_cast<CharT*>(str_.data() + str_.size()));
49 base::pbump(n+1);
50 }
51 return ch;
52 }
53};
54
55int main(int, char**)
56{
57 {
58 testbuf<char> sb;
59 std::ostream os(&sb);
60 os.imbue(std::locale(LOCALE_en_US_UTF_8));
61 std::tm t = {};
62 t.tm_sec = 59;
63 t.tm_min = 55;
64 t.tm_hour = 23;
65 t.tm_mday = 31;
66 t.tm_mon = 11;
67 t.tm_year = 161;
68 t.tm_wday = 6;
69 t.tm_isdst = 0;
70 os << std::put_time(tmb: &t, fmt: "%a %b %d %H:%M:%S %Y");
71 assert(sb.str() == "Sat Dec 31 23:55:59 2061");
72 }
73#ifndef TEST_HAS_NO_WIDE_CHARACTERS
74 {
75 testbuf<wchar_t> sb;
76 std::wostream os(&sb);
77 os.imbue(std::locale(LOCALE_en_US_UTF_8));
78 std::tm t = {};
79 t.tm_sec = 59;
80 t.tm_min = 55;
81 t.tm_hour = 23;
82 t.tm_mday = 31;
83 t.tm_mon = 11;
84 t.tm_year = 161;
85 t.tm_wday = 6;
86 os << std::put_time(tmb: &t, fmt: L"%a %b %d %H:%M:%S %Y");
87 assert(sb.str() == L"Sat Dec 31 23:55:59 2061");
88 }
89#endif
90
91 return 0;
92}
93

source code of libcxx/test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp