| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <iomanip> |
| |
| // T6 setw(int n); |
| |
| #include <iomanip> |
| #include <istream> |
| #include <ostream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| template <class CharT> |
| struct testbuf |
| : public std::basic_streambuf<CharT> |
| { |
| testbuf() {} |
| }; |
| |
| int main(int, char**) |
| { |
| { |
| testbuf<char> sb; |
| std::istream is(&sb); |
| is >> std::setw(10); |
| assert(is.width() == 10); |
| } |
| { |
| testbuf<char> sb; |
| std::ostream os(&sb); |
| os << std::setw(10); |
| assert(os.width() == 10); |
| } |
| { |
| testbuf<wchar_t> sb; |
| std::wistream is(&sb); |
| is >> std::setw(10); |
| assert(is.width() == 10); |
| } |
| { |
| testbuf<wchar_t> sb; |
| std::wostream os(&sb); |
| os << std::setw(10); |
| assert(os.width() == 10); |
| } |
| |
| return 0; |
| } |