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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
// <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 FormatContext>
// typename FormatContext::iterator
// format(const T& ref, FormatContext& ctx) const;
// 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 StringViewT, class ArgT>
void test_format(StringViewT expected, ArgT arg) {
using CharT = typename StringViewT::value_type;
using String = std::basic_string<CharT>;
using OutIt = std::back_insert_iterator<String>;
using FormatCtxT = std::basic_format_context<OutIt, CharT>;
std::formatter<ArgT, CharT> formatter;
String result;
OutIt out = std::back_inserter(result);
FormatCtxT format_ctx = test_format_context_create<OutIt, CharT>(out, std::make_format_args<FormatCtxT>(arg));
formatter.format(arg, format_ctx);
assert(result == expected);
}
template <class CharT>
void test_fmt() {
test_format(SV("hello"), test_range_format_string<std::basic_string<CharT>>{STR("hello")});
test_format(SV("hello"), test_range_format_debug_string<std::basic_string<CharT>>{STR("hello")});
}
void test() {
test_fmt<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test_fmt<wchar_t>();
#endif
}
int main(int, char**) {
test();
return 0;
}
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