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 // REQUIRES: locale.en_US.UTF-8 10 11 // <streambuf> 12 13 // template <class charT, class traits = char_traits<charT> > 14 // class basic_streambuf; 15 16 // basic_streambuf(); 17 18 #include <streambuf> 19 #include <cassert> 20 21 #include "test_macros.h" 22 #include "platform_support.h" // locale name macros 23 24 template <class CharT> 25 struct test 26 : public std::basic_streambuf<CharT> 27 { testtest28 test() 29 { 30 assert(this->eback() == 0); 31 assert(this->gptr() == 0); 32 assert(this->egptr() == 0); 33 assert(this->pbase() == 0); 34 assert(this->pptr() == 0); 35 assert(this->epptr() == 0); 36 } 37 }; 38 main(int,char **)39int main(int, char**) 40 { 41 { 42 test<char> t; 43 assert(t.getloc().name() == "C"); 44 } 45 #ifndef TEST_HAS_NO_WIDE_CHARACTERS 46 { 47 test<wchar_t> t; 48 assert(t.getloc().name() == "C"); 49 } 50 #endif 51 52 std::locale::global(std::locale(LOCALE_en_US_UTF_8)); 53 { 54 test<char> t; 55 assert(t.getloc().name() == LOCALE_en_US_UTF_8); 56 } 57 #ifndef TEST_HAS_NO_WIDE_CHARACTERS 58 { 59 test<wchar_t> t; 60 assert(t.getloc().name() == LOCALE_en_US_UTF_8); 61 } 62 #endif 63 64 return 0; 65 } 66