| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 |
|---|
| 10 | |
|---|
| 11 | // <format> |
|---|
| 12 | |
|---|
| 13 | // template<ranges::input_range R, class charT> |
|---|
| 14 | // requires (K == range_format::string || K == range_format::debug_string) |
|---|
| 15 | // struct range-default-formatter<K, R, charT> |
|---|
| 16 | |
|---|
| 17 | // template<class FormatContext> |
|---|
| 18 | // typename FormatContext::iterator |
|---|
| 19 | // format(const T& ref, FormatContext& ctx) const; |
|---|
| 20 | |
|---|
| 21 | // Note this tests the basics of this function. It's tested in more detail in |
|---|
| 22 | // the format.functions test. |
|---|
| 23 | |
|---|
| 24 | #include <cassert> |
|---|
| 25 | #include <concepts> |
|---|
| 26 | #include <format> |
|---|
| 27 | |
|---|
| 28 | #include "format.functions.tests.h" |
|---|
| 29 | #include "test_format_context.h" |
|---|
| 30 | #include "test_macros.h" |
|---|
| 31 | |
|---|
| 32 | template <class StringViewT, class ArgT> |
|---|
| 33 | void test_format(StringViewT expected, ArgT arg) { |
|---|
| 34 | using CharT = typename StringViewT::value_type; |
|---|
| 35 | using String = std::basic_string<CharT>; |
|---|
| 36 | using OutIt = std::back_insert_iterator<String>; |
|---|
| 37 | using FormatCtxT = std::basic_format_context<OutIt, CharT>; |
|---|
| 38 | |
|---|
| 39 | std::formatter<ArgT, CharT> formatter; |
|---|
| 40 | |
|---|
| 41 | String result; |
|---|
| 42 | OutIt out = std::back_inserter(result); |
|---|
| 43 | FormatCtxT format_ctx = test_format_context_create<OutIt, CharT>(out, std::make_format_args<FormatCtxT>(arg)); |
|---|
| 44 | formatter.format(arg, format_ctx); |
|---|
| 45 | assert(result == expected); |
|---|
| 46 | } |
|---|
| 47 | |
|---|
| 48 | template <class CharT> |
|---|
| 49 | void test_fmt() { |
|---|
| 50 | test_format(SV("hello" ), test_range_format_string<std::basic_string<CharT>>{STR("hello" )}); |
|---|
| 51 | test_format(SV("hello" ), test_range_format_debug_string<std::basic_string<CharT>>{STR("hello" )}); |
|---|
| 52 | } |
|---|
| 53 | |
|---|
| 54 | void test() { |
|---|
| 55 | test_fmt<char>(); |
|---|
| 56 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
|---|
| 57 | test_fmt<wchar_t>(); |
|---|
| 58 | #endif |
|---|
| 59 | } |
|---|
| 60 | |
|---|
| 61 | int main(int, char**) { |
|---|
| 62 | test(); |
|---|
| 63 | |
|---|
| 64 | return 0; |
|---|
| 65 | } |
|---|
| 66 | |
|---|
