| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <istream> |
| |
| // template <class charT, class traits = char_traits<charT> > |
| // class basic_istream; |
| |
| // The char type of the stream and the char_type of the traits have to match |
| |
| // UNSUPPORTED: libcpp-has-no-wide-characters |
| |
| #include <istream> |
| #include <type_traits> |
| #include <cassert> |
| |
| struct test_istream |
| : public std::basic_istream<char, std::char_traits<wchar_t> > {}; |
| |
| |
| int main(int, char**) |
| { |
| // expected-error-re@ios:* {{static_assert failed{{.*}} "traits_type::char_type must be the same type as CharT"}} |
| |
| return 0; |
| } |
