Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_filebuf / open / char / 9507.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc
new file mode 100644 (file)
index 0000000..cfec76b
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/open/char/9507.cc
@@ -0,0 +1,71 @@
+// { dg-require-mkfifo "" }
+
+// Copyright (C) 2001, 2002, 2003, 2005, 2009 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 3, 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 COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 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 <fstream>
+#include <unistd.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <testsuite_hooks.h>
+
+// libstdc++/9507
+void test_06()
+{
+  using namespace __gnu_test;
+  bool test __attribute__((unused)) = true;
+  const char* name = "tmp_fifo2";
+
+  signal(SIGPIPE, SIG_IGN);
+
+  unlink(name);
+  mkfifo(name, S_IRWXU);
+  
+  std::filebuf fbuf;
+  // The use of ios_base::ate implies an attempt to seek on the file
+  // descriptor.  The seek will fail.  Thus, at the OS level, this
+  // call to "fbuf.open" will result in a call to "open" (which will
+  // succeed), a call to "lseek" (which will fail), and, finally, a
+  // call to "close" (which will succeed).  Thus, after this call, the
+  // file should be closed.
+  std::filebuf* r = fbuf.open(name,
+                             std::ios_base::in 
+                             | std::ios_base::out
+                             | std::ios_base::ate);
+  if (r == NULL)
+    VERIFY( !fbuf.is_open() );
+  else
+    VERIFY( fbuf.is_open() );
+}
+
+int
+main()
+{
+  test_06();
+  return 0;
+}
+
+