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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: GCC-ALWAYS_INLINE-FIXME
// XFAIL: availability-fp_to_chars-missing
// <format>
// template<class charT, formattable<charT>... Ts>
// struct formatter<pair-or-tuple<Ts...>, charT>
//
// tested in the format functions
//
// string vformat(string_view fmt, format_args args);
// wstring vformat(wstring_view fmt, wformat_args args);
#include <format>
#include <cassert>
#include "test_macros.h"
#include "format.functions.tests.h"
#include "assert_macros.h"
#include "concat_macros.h"
auto test = []<class CharT, class... Args>(
std::basic_string_view<CharT> expected, std::basic_string_view<CharT> fmt, Args&&... args) {
std::basic_string<CharT> out = std::vformat(fmt, std::make_format_args<context_t<CharT>>(args...));
TEST_REQUIRE(out == expected,
TEST_WRITE_CONCATENATED(
"\nFormat string ", fmt, "\nExpected output ", expected, "\nActual output ", out, '\n'));
};
auto test_exception =
[]<class CharT, class... Args>(
[[maybe_unused]] std::string_view what,
[[maybe_unused]] std::basic_string_view<CharT> fmt,
[[maybe_unused]] Args&&... args) {
TEST_VALIDATE_EXCEPTION(
std::format_error,
[&]([[maybe_unused]] const std::format_error& e) {
TEST_LIBCPP_REQUIRE(
e.what() == what,
TEST_WRITE_CONCATENATED(
"\nFormat string ", fmt, "\nExpected exception ", what, "\nActual exception ", e.what(), '\n'));
},
TEST_IGNORE_NODISCARD std::vformat(fmt, std::make_format_args<context_t<CharT>>(args...)));
};
int main(int, char**) {
run_tests<char>(test, test_exception);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
run_tests<wchar_t>(test, test_exception);
#endif
return 0;
}
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