1 files changed, 94 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/istream_extractor_arith/12.cc b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/12.cc
new file mode 100644
index 00000000000..64795c05812
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+++ b/libstdc++-v3/testsuite/27_io/istream_extractor_arith/12.cc
@@ -0,0 +1,94 @@
+// 1999-04-12 bkoz
+
+// Copyright (C) 1999, 2000, 2002, 2003 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.
+
+// 27.6.1.2.2 arithmetic extractors
+
+// XXX This test fails on sparc-solaris2 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 sparc*-*-solaris2* } }
+
+#include <cstdio> // for printf
+#include <istream>
+#include <ostream>
+#include <sstream>
+#include <locale>
+#include <testsuite_hooks.h>
+
+std::string str_01;
+std::string str_02("true false 0 1 110001");
+std::string str_03("-19999999 777777 -234234 233 -234 33 1 66300.25 .315 1.5");
+std::string str_04("0123");
+
+std::stringbuf isbuf_01(std::ios_base::in);
+std::stringbuf isbuf_02(str_02, std::ios_base::in);
+std::stringbuf isbuf_03(str_03, std::ios_base::in);
+std::stringbuf isbuf_04(str_04, std::ios_base::in);
+
+std::istream is_01(NULL);
+std::istream is_02(&isbuf_02);
+std::istream is_03(&isbuf_03);
+std::istream is_04(&isbuf_04);
+std::stringstream ss_01(str_01);
+ 
+// libstdc++/3720
+// excess input should not cause a core dump
+template<typename T>
+bool test12_aux(bool integer_type)
+{
+  bool test = 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::string st;
+  std::string part = "1234567890123456789012345678901234567890";
+  for (int i = 0; i < digits_overflow / part.size() + 1; ++i)
+    st += part;
+  std::stringbuf sb(st);
+  std::istream is(&sb);
+  T t;
+  is >> t;
+  VERIFY(is.fail());
+  return test;
+}
+
+bool test12()
+{
+  bool test = 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;
+}