| //===----------------------------------------------------------------------===// |
| // 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: libcpp-has-no-incomplete-format |
| |
| // TODO FMT Fix this test using GCC, it currently times out. |
| // UNSUPPORTED: gcc-12 |
| |
| // <format> |
| |
| // template<ranges::input_range R, class charT> |
| // struct range-default-formatter<range_format::map, 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 <map> |
| |
| #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::map<int, int>, 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(":5"), 0); |
| |
| test_parse(SV("}"), 1); |
| test_parse(SV(":5}"), 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; |
| } |