llvm/libcxx/test/libcxx/input.output/file.streams/fstreams/filebuf/traits_mismatch.verify.cpp

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <fstream>

// template<class charT, class traits = char_traits<charT>>
//   class basic_filebuf;
//
// The char type of the stream and the char_type of the traits have to match

// UNSUPPORTED: no-wide-characters

#include <fstream>

std::basic_filebuf<char, std::char_traits<wchar_t> > f;
// expected-error-re@streambuf:* {{static assertion failed{{.*}}traits_type::char_type must be the same type as CharT}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}
// expected-error@fstream:* {{only virtual member functions can be marked 'override'}}