94 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// <ostream>10 11// template <class charT, class traits = char_traits<charT> >12// class basic_ostream;13 14// basic_ostream& operator=(basic_ostream&& rhs);15 16#include <ostream>17#include <cassert>18 19#include "test_macros.h"20 21 22template <class CharT>23struct testbuf24 : public std::basic_streambuf<CharT>25{26 testbuf() {}27};28 29template <class CharT>30struct test_ostream31 : public std::basic_ostream<CharT>32{33 typedef std::basic_ostream<CharT> base;34 test_ostream(testbuf<CharT>* sb) : base(sb) {}35 36 test_ostream& operator=(test_ostream&& s)37 {base::operator=(std::move(s)); return *this;}38};39 40 41int main(int, char**)42{43 {44 testbuf<char> sb1;45 testbuf<char> sb2;46 test_ostream<char> os1(&sb1);47 test_ostream<char> os2(&sb2);48 os2 = (std::move(os1));49 assert(os1.rdbuf() == &sb1);50 assert(os1.tie() == 0);51 assert(os1.fill() == ' ');52 assert(os1.rdstate() == os1.goodbit);53 assert(os1.exceptions() == os1.goodbit);54 assert(os1.flags() == (os1.skipws | os1.dec));55 assert(os1.precision() == 6);56 assert(os1.getloc().name() == "C");57 assert(os2.rdbuf() == &sb2);58 assert(os2.tie() == 0);59 assert(os2.fill() == ' ');60 assert(os2.rdstate() == os2.goodbit);61 assert(os2.exceptions() == os2.goodbit);62 assert(os2.flags() == (os2.skipws | os2.dec));63 assert(os2.precision() == 6);64 assert(os2.getloc().name() == "C");65 }66#ifndef TEST_HAS_NO_WIDE_CHARACTERS67 {68 testbuf<wchar_t> sb1;69 testbuf<wchar_t> sb2;70 test_ostream<wchar_t> os1(&sb1);71 test_ostream<wchar_t> os2(&sb2);72 os2 = (std::move(os1));73 assert(os1.rdbuf() == &sb1);74 assert(os1.tie() == 0);75 assert(os1.fill() == ' ');76 assert(os1.rdstate() == os1.goodbit);77 assert(os1.exceptions() == os1.goodbit);78 assert(os1.flags() == (os1.skipws | os1.dec));79 assert(os1.precision() == 6);80 assert(os1.getloc().name() == "C");81 assert(os2.rdbuf() == &sb2);82 assert(os2.tie() == 0);83 assert(os2.fill() == ' ');84 assert(os2.rdstate() == os2.goodbit);85 assert(os2.exceptions() == os2.goodbit);86 assert(os2.flags() == (os2.skipws | os2.dec));87 assert(os2.precision() == 6);88 assert(os2.getloc().name() == "C");89 }90#endif91 92 return 0;93}94