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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
// UNSUPPORTED: libcpp-has-no-incomplete-format
// TODO FMT Evaluate gcc-12 status
// UNSUPPORTED: gcc-12
// TODO FMT Investigate AppleClang ICE
// UNSUPPORTED: apple-clang-13
// <format>
// string vformat(string_view fmt, format_args args);
// wstring vformat(wstring_view fmt, wformat_args args);
#include <format>
#include <cassert>
#include <vector>
#include "test_macros.h"
#include "format_tests.h"
#include "string_literal.h"
auto test = []<string_literal fmt, class CharT, class... Args>(std::basic_string_view<CharT> expected,
const Args&... args) constexpr {
std::basic_string<CharT> out =
std::vformat(fmt.template sv<CharT>(), std::make_format_args<context_t<CharT>>(args...));
assert(out == expected);
};
auto test_exception = []<class CharT, class... Args>(std::string_view what, std::basic_string_view<CharT> fmt,
const Args&... args) {
#ifndef TEST_HAS_NO_EXCEPTIONS
try {
TEST_IGNORE_NODISCARD std::vformat(fmt, std::make_format_args<context_t<CharT>>(args...));
assert(false);
} catch ([[maybe_unused]] const std::format_error& e) {
LIBCPP_ASSERT(e.what() == what);
return;
}
assert(false);
#endif
(void)what;
(void)fmt;
(void)sizeof...(args);
};
int main(int, char**) {
format_tests<char>(test, test_exception);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
format_tests_char_to_wchar_t(test);
format_tests<wchar_t>(test, test_exception);
#endif
return 0;
}
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