1 files changed, 74 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc
new file mode 100644
index 000000000..dcadf8669
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/12.cc
@@ -0,0 +1,74 @@
+// Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010
+// 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/>.
+
+// 27.6.1.2.2 arithmetic extractors
+
+// XXX This test fails on Solaris 8 and 9 because of a bug in libc
+// XXX sscanf for very long input.  See:
+// XXX http://gcc.gnu.org/ml/gcc/2002-12/msg01422.html
+// { dg-do run { xfail { { *-*-solaris2.[89] } || lax_strtofp } } }
+
+#include <istream>
+#include <sstream>
+#include <limits>
+#include <testsuite_hooks.h>
+
+// libstdc++/3720
+// excess input should not cause a core dump
+template<typename T>
+bool test12_aux(bool integer_type)
+{
+  bool test __attribute__((unused)) = true;
+  
+  int digits_overflow;
+  if (integer_type)
+    // This many digits will overflow integer types in base 10.
+    digits_overflow = std::numeric_limits<T>::digits10 + 2;
+  else
+    // This might do it, unsure.
+    digits_overflow = std::numeric_limits<T>::max_exponent10 + 1;
+  
+  std::wstring st;
+  std::wstring part = L"1234567890123456789012345678901234567890";
+  for (std::size_t i = 0; i < digits_overflow / part.size() + 1; ++i)
+    st += part;
+  std::wstringbuf sb(st);
+  std::wistream is(&sb);
+  T t;
+  is >> t;
+  VERIFY( is.fail() );
+  return test;
+}
+
+bool test12()
+{
+  bool test __attribute__((unused)) = true;
+  VERIFY( test12_aux<short>(true) );
+  VERIFY( test12_aux<int>(true) );
+  VERIFY( test12_aux<long>(true) );
+  VERIFY( test12_aux<float>(false) );
+  VERIFY( test12_aux<double>(false) );
+  VERIFY( test12_aux<long double>(false) );
+  return test;
+}
+
+int main()
+{
+  test12();
+  return 0;
+}