88622aabf1
Since stacktrace header is WIP and it's not sure that will be done before LLVM17 update the documentation. When the header is implemented implementing the formatter is trivial, so that can be done quickly afterwards. Implements parts of: - P2693R1 Formatting thread::id and stacktrace Reviewed By: #libc, ldionne Differential Revision: https://reviews.llvm.org/D144331
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
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// UNSUPPORTED: no-threads
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// UNSUPPORTED: libcpp-has-no-incomplete-format
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// TODO FMT Fix this test using GCC, it currently times out.
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// UNSUPPORTED: gcc-12
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// <thread>
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// template<class charT>
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// struct formatter<thread::id, charT>;
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// template<class ParseContext>
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// constexpr typename ParseContext::iterator
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// parse(ParseContext& ctx);
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// Note this tests the basics of this function. It's tested in more detail in
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// the format functions test.
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#include <cassert>
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#include <concepts>
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#include <thread>
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#include "test_format_context.h"
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#include "test_macros.h"
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#include "make_string.h"
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#define SV(S) MAKE_STRING_VIEW(CharT, S)
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template <class StringViewT>
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constexpr void test_parse(StringViewT fmt) {
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using CharT = typename StringViewT::value_type;
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auto parse_ctx = std::basic_format_parse_context<CharT>(fmt);
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std::formatter<std::thread::id, CharT> formatter;
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static_assert(std::semiregular<decltype(formatter)>);
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std::same_as<typename StringViewT::iterator> auto it = formatter.parse(parse_ctx);
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assert(it == fmt.end() - (!fmt.empty() && fmt.back() == '}'));
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}
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template <class CharT>
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constexpr void test_fmt() {
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test_parse(SV(""));
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test_parse(SV("1"));
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test_parse(SV("}"));
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test_parse(SV("1}"));
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}
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constexpr bool test() {
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test_fmt<char>();
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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test_fmt<wchar_t>();
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#endif
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return true;
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}
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int main(int, char**) {
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test();
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static_assert(test());
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return 0;
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}
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