33 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <ios>10 11// class ios_base12 13// ios_base& showpoint(ios_base& str);14 15#include <ios>16#include <streambuf>17#include <cassert>18 19#include "test_macros.h"20 21struct testbuf : public std::streambuf {};22 23int main(int, char**)24{25 testbuf sb;26 std::ios ios(&sb);27 std::ios_base& r = std::showpoint(ios);28 assert(&r == &ios);29 assert(ios.flags() & std::ios::showpoint);30 31 return 0;32}33