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//===----------------------------------------------------------------------===//
// 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
// This test requires the dylib support introduced in D92214.
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{.+}}
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx11.{{.+}}
// <format>
// template<ranges::input_range R, class charT>
// struct range-default-formatter<range_format::set, 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 <set>
#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) {
using CharT = typename StringViewT::value_type;
auto parse_ctx = std::basic_format_parse_context<CharT>(fmt);
std::formatter<std::set<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() - (!fmt.empty() && fmt.back() == '}'));
}
template <class CharT>
constexpr void test_fmt() {
test_parse(SV(""));
test_parse(SV(":5"));
test_parse(SV("}"));
test_parse(SV(":5}"));
}
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;
}
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