Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_filebuf / close / char / 2.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/2.cc
new file mode 100644 (file)
index 0000000..9d0cb0f
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/close/char/2.cc
@@ -0,0 +1,80 @@
+// Copyright (C) 2001, 2002, 2003, 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/>.
+
+// { dg-require-fileio "" }
+
+// 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 <ext/stdio_filebuf.h>
+#include <testsuite_hooks.h>
+
+// 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. 
+
+const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it
+const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create
+
+void test_02()
+{
+  bool test __attribute__((unused)) = true;
+  int close_num = 0;
+
+  // read (ext)
+  FILE* f2 = fopen(name_01, "r");
+  VERIFY( f2 != NULL );
+  if (f2)
+  {
+    __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 );
+  if (f)
+  {
+    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 );
+}
+
+int
+main()
+{
+  test_02();
+  return 0;
+}
+
+