| //===----------------------------------------------------------------------===// |
| // 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 |
| // TODO FMT Evaluate gcc-12 status |
| // UNSUPPORTED: gcc-12 |
| |
| // 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<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" |
| |
| #ifndef TEST_HAS_NO_LOCALIZATION |
| # include <iostream> |
| # include <concepts> |
| #endif |
| |
| 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...)); |
| #ifndef TEST_HAS_NO_LOCALIZATION |
| if constexpr (std::same_as<CharT, char>) |
| if (out != expected) |
| std::cerr << "\nFormat string " << fmt << "\nExpected output " << expected << "\nActual output " << out |
| << '\n'; |
| #endif // TEST_HAS_NO_LOCALIZATION |
| assert(out == expected); |
| }; |
| |
| 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) { |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| try { |
| TEST_IGNORE_NODISCARD std::vformat(fmt, std::make_format_args<context_t<CharT>>(args...)); |
| # if !defined(TEST_HAS_NO_LOCALIZATION) |
| if constexpr (std::same_as<CharT, char>) |
| std::cerr << "\nFormat string " << fmt << "\nDidn't throw an exception.\n"; |
| # endif // !defined(TEST_HAS_NO_LOCALIZATION |
| assert(false); |
| } catch ([[maybe_unused]] const std::format_error& e) { |
| # if defined(_LIBCPP_VERSION) |
| # if !defined(TEST_HAS_NO_LOCALIZATION) |
| if constexpr (std::same_as<CharT, char>) { |
| if (e.what() != what) |
| std::cerr << "\nFormat string " << fmt << "\nExpected exception " << what << "\nActual exception " |
| << e.what() << '\n'; |
| } |
| # endif // !defined(TEST_HAS_NO_LOCALIZATION |
| assert(e.what() == what); |
| # endif // defined(_LIBCPP_VERSION) |
| return; |
| } |
| assert(false); |
| #endif |
| }; |
| |
| 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; |
| } |