mirror of git://gcc.gnu.org/git/gcc.git
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// Copyright (C) 2000-2016 Free Software Foundation, Inc.
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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 3, 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 COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-require-fileio "" }
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#include <cstdio>
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#include <fstream>
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#include <cstring>
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#include <ext/stdio_filebuf.h>
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#include <testsuite_hooks.h>
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void test1()
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{
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using namespace std;
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bool test __attribute__((unused)) = true;
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FILE* file = fopen("tmp_10063-1", "w");
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putc('0', file);
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putc('1', file);
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{
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__gnu_cxx::stdio_filebuf<char> sbuf(file, ios_base::out);
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sbuf.sputc('2');
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sbuf.sputc('3');
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}
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putc('4', file);
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fclose(file);
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filebuf fbuf;
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fbuf.open("tmp_10063-1", ios_base::in);
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char buf[10];
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streamsize n = fbuf.sgetn(buf, sizeof(buf));
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fbuf.close();
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VERIFY(n == 5);
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VERIFY(!memcmp(buf, "01234", 5));
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}
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int main()
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{
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test1();
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return 0;
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}
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