71 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <codecvt>10 11// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT12 13// template <class Elem, unsigned long Maxcode = 0x10ffff,14// codecvt_mode Mode = (codecvt_mode)0>15// class codecvt_utf8_utf1616// : public codecvt<Elem, char, mbstate_t>17// {18// // unspecified19// };20 21// int max_length() const throw();22 23#include <codecvt>24#include <cassert>25 26#include "test_macros.h"27 28int main(int, char**)29{30#ifndef TEST_HAS_NO_WIDE_CHARACTERS31 {32 typedef std::codecvt_utf8_utf16<wchar_t> C;33 C c;34 int r = c.max_length();35 assert(r == 4);36 }37 {38 typedef std::codecvt_utf8_utf16<wchar_t, 0xFFFFFFFF, std::consume_header> C;39 C c;40 int r = c.max_length();41 assert(r == 7);42 }43#endif // TEST_HAS_NO_WIDE_CHARACTERS44 {45 typedef std::codecvt_utf8_utf16<char16_t> C;46 C c;47 int r = c.max_length();48 assert(r == 4);49 }50 {51 typedef std::codecvt_utf8_utf16<char16_t, 0xFFFFFFFF, std::consume_header> C;52 C c;53 int r = c.max_length();54 assert(r == 7);55 }56 {57 typedef std::codecvt_utf8_utf16<char32_t> C;58 C c;59 int r = c.max_length();60 assert(r == 4);61 }62 {63 typedef std::codecvt_utf8_utf16<char32_t, 0xFFFFFFFF, std::consume_header> C;64 C c;65 int r = c.max_length();66 assert(r == 7);67 }68 69 return 0;70}71