1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
//===----------------------------------------------------------------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// UNSUPPORTED: no-threads
// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
// <thread>
// template<class charT>
// struct formatter<thread::id, charT>;
// template<class ParseContext>
// constexpr typename ParseContext::iterator
// parse(ParseContext& ctx);
// Note this tests the basics of this function. It's tested in more detail in
// the format functions test.
#include <cassert>
#include <concepts>
#include <thread>
#include "test_format_context.h"
#include "test_macros.h"
#include "make_string.h"
#define SV(S) MAKE_STRING_VIEW(CharT, S)
template <class StringViewT>
constexpr void test_parse(StringViewT fmt, std::size_t offset) {
using CharT = typename StringViewT::value_type;
auto parse_ctx = std::basic_format_parse_context<CharT>(fmt);
std::formatter<std::thread::id, CharT> formatter;
static_assert(std::semiregular<decltype(formatter)>);
std::same_as<typename StringViewT::iterator> auto it = formatter.parse(parse_ctx);
assert(it == fmt.end() - offset);
}
template <class CharT>
constexpr void test_fmt() {
test_parse(SV(""), 0);
test_parse(SV("1"), 0);
test_parse(SV("}"), 1);
test_parse(SV("1}"), 1);
}
constexpr bool test() {
test_fmt<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test_fmt<wchar_t>();
#endif
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
|
