+++ /dev/null
-// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-// 27.8.1.3 filebuf member functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
-
-// various tests for filebuf::open() and filebuf::close() including
-// the non-portable functionality in the libstdc++-v3 IO library
-
-#include <iostream>
-#include <fstream>
-#include <unistd.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <ext/stdio_filebuf.h>
-#include <testsuite_hooks.h>
-
-const char name_01[] = "filebuf_members-1.tst";
-const char name_02[] = "filebuf_members-1.txt";
-
-// Test member functions.
-void test_01()
-{
- bool test = true;
- const char* name_03 = "filebuf_members-3"; // empty file, need to create
-
- std::filebuf fb_01; // in
- std::filebuf fb_02; // out
- std::filebuf fb_03; // in | out
-
- // bool is_open()
- VERIFY( !fb_01.is_open() );
- VERIFY( !fb_02.is_open() );
- VERIFY( !fb_03.is_open() );
-
- // filebuf_type* open(const char* __s, ios_base::openmode __mode)
- fb_01.open(name_01, std::ios_base::in | std::ios_base::ate);
- fb_02.open(name_02, std::ios_base::in | std::ios_base::out
- | std::ios_base::trunc);
- // Try to open two different files without closing the first:
- // Should keep the old file attached, and disregard attempt to overthrow.
- fb_02.open(name_03, std::ios_base::in | std::ios_base::out);
- fb_03.open(name_03, std::ios_base::out | std::ios_base::trunc);
- VERIFY( fb_01.is_open() );
- VERIFY( fb_02.is_open() );
- VERIFY( fb_03.is_open() );
-
- // filebuf_type* close()
- fb_01.close();
- fb_02.close();
- fb_03.close();
- VERIFY( !fb_01.is_open() );
- VERIFY( !fb_02.is_open() );
- VERIFY( !fb_03.is_open() );
-}
-
-// Verify that std::filebuf doesn't close files that it didn't open
-// when using the following std::filebuf ctor:
-//
-// std::filebuf(__c_file_type* __f,
-// ios_base::openmode __mode,
-// int_type __s);
-//
-// Thanks to "George T. Talbot" <george@moberg.com> for uncovering
-// this bug/situation.
-void test_02()
-{
- bool test = true;
- int close_num;
-
- // read (ext)
- FILE* f2 = fopen(name_01, "r");
- VERIFY( f2 != NULL );
- {
- __gnu_cxx::stdio_filebuf<char> fb(f2, std::ios_base::in, 512);
- }
- close_num = fclose(f2);
- VERIFY( close_num == 0 );
-
-
- // read (standard)
- FILE* f = fopen(name_01, "r");
- VERIFY( f != NULL );
- {
- std::ifstream ifstream1(name_01);
- VERIFY( ifstream1.is_open() );
- std::ios_base::iostate st01 = ifstream1.rdstate();
- VERIFY( st01 == std::ios_base::goodbit );
- }
- close_num = fclose(f);
- VERIFY( close_num == 0 );
-}
-
-void test_03()
-{
- bool test = true;
- int first_fd = ::open(name_01, O_RDONLY);
- VERIFY( first_fd != -1 );
- FILE* first_file = ::fdopen(first_fd, "r");
- VERIFY( first_file != NULL );
- __gnu_cxx::stdio_filebuf<char> fb(first_file, std::ios_base::in);
-
- int second_fd = fb.fd();
-
- VERIFY( first_fd == second_fd );
-}
-
-// libstdc++/2913, libstdc++/4879
-// John Fardo <jfardo@laurelnetworks.com>, Brad Garcia <garsh@attbi.com>
-void
-test_04()
-{
- signal(SIGPIPE, SIG_IGN);
-
- if (0 != mkfifo("xxx", S_IRWXU))
- {
- std::cerr << "failed to creat fifo" << std::endl;
- exit(-1);
- }
-
- int fval = fork();
- if (fval == -1)
- {
- std::cerr << "failed to fork" << std::endl;
- unlink("xxx");
- exit(-1);
- }
- else if (fval == 0)
- {
- std::ifstream ifs("xxx");
- sleep(1);
- ifs.close();
- exit(0);
- }
-
- std::ofstream ofs("xxx");
- sleep(2);
- ofs.put('t');
-
- /*
- * ISO/IED 14882:1998(E) 27.8.1.10.4
- *
- * void close();
- *
- * Effects: Calls rdbuf()->close() and, if that function fails
- * (returns a null pointer), calls setstate(failbit)...
- */
- ofs.close();
- if (!(ofs.rdstate() & std::ios::failbit))
- {
- std::cerr << "fail bit was not set!" << std::endl;
- unlink("xxx");
- exit(-1);
- }
-
- unlink("xxx");
-}
-
-// Charles Leggett <CGLeggett@lbl.gov>
-void test_05()
-{
- bool test = true;
-
- std::fstream scratch_file;
-
- scratch_file.open("SCRATCH", std::ios::out);
- scratch_file.close();
-
- scratch_file.open("SCRATCH", std::ios::in);
- if (!scratch_file)
- VERIFY( false );
- scratch_file.close();
-}
-
-// libstdc++/9507
-void test_06()
-{
- bool test = true;
-
- signal(SIGPIPE, SIG_IGN);
-
- unlink("yyy");
- mkfifo("yyy", S_IRWXU);
-
- if (!fork())
- {
- std::filebuf fbuf;
- fbuf.open("yyy", std::ios_base::in);
- fbuf.sgetc();
- fbuf.close();
-
- exit(0);
- }
-
- std::filebuf fbuf;
- std::filebuf* r =
- fbuf.open("yyy", std::ios_base::out | std::ios_base::ate);
- VERIFY( !fbuf.is_open() );
- VERIFY( r == NULL );
-}
-
-int
-main()
-{
- test_01();
- test_02();
- test_03();
- test_04();
- test_05();
- test_06();
- return 0;
-}
-
-
projects / msp430-gcc.git / blobdiff