codecvt_utf8_utf16_max_length.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <codecvt> 11 12// template <class Elem, unsigned long Maxcode = 0x10ffff, 13// codecvt_mode Mode = (codecvt_mode)0> 14// class codecvt_utf8_utf16 15// : public codecvt<Elem, char, mbstate_t> 16// { 17// // unspecified 18// }; 19 20// int max_length() const throw(); 21 22#include <codecvt> 23#include <cassert> 24 25int main() 26{ 27 { 28 typedef std::codecvt_utf8_utf16<wchar_t> C; 29 C c; 30 int r = c.max_length(); 31 assert(r == 4); 32 } 33 { 34 typedef std::codecvt_utf8_utf16<wchar_t, 0xFFFFFFFF, std::consume_header> C; 35 C c; 36 int r = c.max_length(); 37 assert(r == 7); 38 } 39 { 40 typedef std::codecvt_utf8_utf16<char16_t> C; 41 C c; 42 int r = c.max_length(); 43 assert(r == 4); 44 } 45 { 46 typedef std::codecvt_utf8_utf16<char16_t, 0xFFFFFFFF, std::consume_header> C; 47 C c; 48 int r = c.max_length(); 49 assert(r == 7); 50 } 51 { 52 typedef std::codecvt_utf8_utf16<char32_t> C; 53 C c; 54 int r = c.max_length(); 55 assert(r == 4); 56 } 57 { 58 typedef std::codecvt_utf8_utf16<char32_t, 0xFFFFFFFF, std::consume_header> C; 59 C c; 60 int r = c.max_length(); 61 assert(r == 7); 62 } 63} 64