Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / ios_base / storage / 11584.cc

diff --git a/libstdc++-v3/testsuite/27_io/ios_base/storage/11584.cc b/libstdc++-v3/testsuite/27_io/ios_base/storage/11584.cc
new file mode 100644 (file)
index 0000000..95d3496
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/ios_base/storage/11584.cc
@@ -0,0 +1,63 @@
+// 2004-01-25 jlquinn@gcc.gnu.org
+
+// Copyright (C) 2004, 2005, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.4.2.5 ios_base storage functions
+
+#include <cstdlib>
+#include <new>
+#include <iostream>
+#include <testsuite_hooks.h>
+
+int new_fails;
+
+void* operator new(std::size_t n) throw (std::bad_alloc)
+{
+  if (new_fails)
+    throw std::bad_alloc();  
+  return malloc(n);
+}
+void* operator new[] (std::size_t n) throw (std::bad_alloc)
+{ return operator new(n); }
+
+void operator delete (void *p) throw() { free(p); }
+void operator delete[] (void *p) throw() { operator delete(p); }
+
+int main ()
+{
+  bool test __attribute__((unused)) = true;
+  const int i = std::ios::xalloc();
+  VERIFY( i >= 0 );
+
+  new_fails = 1;
+  
+  // Successive accesses to failure storage clears to zero.
+  std::cout.iword(100) = 69;
+  VERIFY( std::cout.iword(100) == 0 );
+  
+  // Access to pword failure storage shouldn't clear iword pword storage.
+  long& lr = std::cout.iword(100);
+  lr = 69;
+  
+  void* pv = std::cout.pword(100);
+  VERIFY( pv == 0 );
+  VERIFY( lr == 69 );
+  
+  return 0;
+}
+