| //===----------------------------------------------------------------------===// |
| // 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 Fix this test using GCC, it currently times out. |
| // 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.{{.+}} |
| |
| // [container.adaptors.format] |
| // For each of queue, priority_queue, and stack, the library provides the |
| // following formatter specialization where adaptor-type is the name of the |
| // template: |
| // |
| // template<class charT, class T, formattable<charT> Container, class... U> |
| // struct formatter<adaptor-type<T, Container, U...>, charT> |
| |
| // string vformat(string_view fmt, format_args args); |
| // wstring vformat(wstring_view fmt, wformat_args args); |
| |
| #include <format> |
| #include <cassert> |
| |
| #include "format.functions.tests.h" |
| #include "test_macros.h" |
| #include "assert_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_concat_message("\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) { |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| try { |
| TEST_IGNORE_NODISCARD std::vformat(fmt, std::make_format_args<context_t<CharT>>(args...)); |
| TEST_FAIL(test_concat_message("\nFormat string ", fmt, "\nDidn't throw an exception.\n")); |
| } catch (const std::format_error& e) { |
| TEST_LIBCPP_REQUIRE( |
| e.what() == what, |
| test_concat_message( |
| "\nFormat string ", fmt, "\nExpected exception ", what, "\nActual exception ", e.what(), '\n')); |
| |
| return; |
| } |
| assert(false); |
| #endif |
| }; |
| |
| int main(int, char**) { |
| format_tests<char>(test, test_exception); |
| |
| #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| format_tests<wchar_t>(test, test_exception); |
| #endif |
| |
| return 0; |
| } |