86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// 1999-05-21 bkoz
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// 2000-05-21 Benjamin Kosnik <bkoz@redhat.com>
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// 2001-01-17 Loren J. Rittle <ljrittle@acm.org>
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// Copyright (C) 1999, 2000, 2001 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 27.4.2.4 ios_base static members
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// @require@ %-*.tst
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// @diff@ %-*.tst %-*.txt
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#include <cstdio>
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#include <sstream>
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#include <iostream>
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#include <debug_assert.h>
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// N.B. Once we have called sync_with_stdio(false), we can never go back.
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void
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test01()
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{
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std::ios_base::sync_with_stdio();
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std::freopen("ios_base_members_static-1.txt", "w", stdout);
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for (int i = 0; i < 2; i++)
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{
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std::printf("1");
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std::cout << "2";
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std::putc('3', stdout);
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std::cout << '4';
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std::fputs("5", stdout);
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std::cout << 6;
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std::putchar('7');
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std::cout << 8 << '9';
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std::printf("0\n");
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}
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}
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bool test02()
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{
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bool test = true;
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std::stringbuf strbuf01;
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std::ios ios01(&strbuf01);
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// 1: basic invocation
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VERIFY( ios01.sync_with_stdio() );
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VERIFY( ios01.sync_with_stdio(false) ); //returns previous state
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// 2: need to test interleaving of C and C++ io on a file object.
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VERIFY( std::cout.good() );
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VERIFY( !std::cout.sync_with_stdio(0) );
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VERIFY( std::cout.good() );
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VERIFY( !std::cout.sync_with_stdio(0) );
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VERIFY( std::cout.good() );
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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int main(void)
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{
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test01();
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test02();
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return 0;
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}
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