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 <iomanip>
16#include <ostream>
17#include <cassert>
18
19#include "test_macros.h"
20#include "platform_support.h" // locale name macros
21
22template <class CharT>
23class testbuf
24 : public std::basic_streambuf<CharT>
25{
26 typedef std::basic_streambuf<CharT> base;
27 std::basic_string<CharT> str_;
28public:
29 testbuf()
30 {
31 }
32
33 std::basic_string<CharT> str() const
34 {return std::basic_string<CharT>(base::pbase(), base::pptr());}
35
36protected:
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
54int main(int, char**)
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(tmb: &t, fmt: "%a %b %d %H:%M:%S %Y");
70 assert(sb.str() == "Sat Dec 31 23:55:59 2061");
71 }
72#ifndef TEST_HAS_NO_WIDE_CHARACTERS
73 {
74 testbuf<wchar_t> sb;
75 std::wostream os(&sb);
76 os.imbue(std::locale(LOCALE_en_US_UTF_8));
77 std::tm t = {};
78 t.tm_sec = 59;
79 t.tm_min = 55;
80 t.tm_hour = 23;
81 t.tm_mday = 31;
82 t.tm_mon = 11;
83 t.tm_year = 161;
84 t.tm_wday = 6;
85 os << std::put_time(tmb: &t, fmt: L"%a %b %d %H:%M:%S %Y");
86 assert(sb.str() == L"Sat Dec 31 23:55:59 2061");
87 }
88#endif
89
90 return 0;
91}
92

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