1 files changed, 58 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/18_support/numeric_limits/is_signed.cc b/libstdc++-v3/testsuite/18_support/numeric_limits/is_signed.cc
new file mode 100644
index 000000000..299cd571f
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/numeric_limits/is_signed.cc
@@ -0,0 +1,58 @@
+// { dg-add-options ieee }
+
+// 1999-08-23 bkoz
+
+// Copyright (C) 1999, 2001, 2002, 2003, 2004, 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/>.
+
+// 18.2.1.1 template class numeric_limits
+
+#include <limits>
+#include <limits.h>
+#include <float.h>
+#include <cwchar>
+#include <testsuite_hooks.h>
+
+#ifdef __CHAR_UNSIGNED__
+#define char_is_signed false
+#else
+#define char_is_signed true
+#endif
+
+void test_sign()
+{
+  bool test __attribute__((unused)) = true;
+  VERIFY( std::numeric_limits<char>::is_signed == char_is_signed );
+  VERIFY( std::numeric_limits<signed char>::is_signed == true );
+  VERIFY( std::numeric_limits<unsigned char>::is_signed == false );
+  VERIFY( std::numeric_limits<short>::is_signed == true );
+  VERIFY( std::numeric_limits<unsigned short>::is_signed == false );
+  VERIFY( std::numeric_limits<int>::is_signed == true );
+  VERIFY( std::numeric_limits<unsigned>::is_signed == false );
+  VERIFY( std::numeric_limits<long>::is_signed == true );
+  VERIFY( std::numeric_limits<unsigned long>::is_signed == false );
+  VERIFY( std::numeric_limits<float>::is_signed == true );
+  VERIFY( std::numeric_limits<double>::is_signed == true );
+  VERIFY( std::numeric_limits<long double>::is_signed == true );
+}
+
+int main()
+{
+  test_sign();
+
+  return 0;
+}