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
70
71
72
|
//===----------------------------------------------------------------------===//
// 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
// TODO FMT Investigate why this fails.
// UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx{{10.9|10.10|10.11|10.12|10.13|10.14|10.15|11.0|12.0}}
// <format>
// template<ranges::input_range R, class charT>
// requires (K == range_format::string || K == range_format::debug_string)
// struct range-default-formatter<K, R, 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 <format>
#include "format.functions.tests.h"
#include "test_format_context.h"
#include "test_macros.h"
template <class FormatterT, 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);
FormatterT 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 StringViewT>
constexpr void test_formatters(StringViewT fmt, std::size_t offset) {
using CharT = typename StringViewT::value_type;
test_parse<std::formatter<test_range_format_string<std::basic_string<CharT>>, CharT>>(fmt, offset);
test_parse<std::formatter<test_range_format_debug_string<std::basic_string<CharT>>, CharT>>(fmt, offset);
}
template <class CharT>
constexpr void test_char_type() {
test_formatters(SV(""), 0);
test_formatters(SV("}"), 1);
}
constexpr bool test() {
test_char_type<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test_char_type<wchar_t>();
#endif
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
|
