Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 18_support / numeric_limits / min_max.cc

diff --git a/libstdc++-v3/testsuite/18_support/numeric_limits/min_max.cc b/libstdc++-v3/testsuite/18_support/numeric_limits/min_max.cc
new file mode 100644 (file)
index 0000000..f8176d4
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/numeric_limits/min_max.cc
@@ -0,0 +1,94 @@
+// { dg-options "-mieee" { target alpha*-*-* } }
+// { dg-options "-mieee" { target sh*-*-* } }
+
+// 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>
+
+template<typename T>
+struct extrema {
+  static T min;
+  static T max;
+};
+
+
+#define DEFINE_EXTREMA(T, m, M) \
+  template<> T extrema<T>::min = m; \
+  template<> T extrema<T>::max = M
+
+DEFINE_EXTREMA(char, CHAR_MIN, CHAR_MAX);
+DEFINE_EXTREMA(signed char, SCHAR_MIN, SCHAR_MAX);
+DEFINE_EXTREMA(unsigned char, 0, UCHAR_MAX);
+DEFINE_EXTREMA(short, SHRT_MIN, SHRT_MAX);
+DEFINE_EXTREMA(unsigned short, 0, USHRT_MAX);
+DEFINE_EXTREMA(int, INT_MIN, INT_MAX);
+DEFINE_EXTREMA(unsigned, 0U, UINT_MAX);
+DEFINE_EXTREMA(long, LONG_MIN, LONG_MAX);
+DEFINE_EXTREMA(unsigned long, 0UL, ULONG_MAX);
+
+#if _GLIBCXX_USE_WCHAR_T
+DEFINE_EXTREMA(wchar_t, WCHAR_MIN, WCHAR_MAX);
+#endif //_GLIBCXX_USE_WCHAR_T
+
+DEFINE_EXTREMA(float, FLT_MIN, FLT_MAX);
+DEFINE_EXTREMA(double, DBL_MIN, DBL_MAX);
+DEFINE_EXTREMA(long double, LDBL_MIN, LDBL_MAX);
+
+#undef DEFINE_EXTREMA
+
+template<typename T>
+void test_extrema()
+{
+  bool test __attribute__((unused)) = true;
+  T limits_min = std::numeric_limits<T>::min();
+  T limits_max = std::numeric_limits<T>::max();
+  T extrema_min = extrema<T>::min;
+  T extrema_max = extrema<T>::max;
+  VERIFY( extrema_min == limits_min );
+  VERIFY( extrema_max == limits_max );
+}
+
+int main()
+{
+  test_extrema<char>();
+  test_extrema<signed char>();
+  test_extrema<unsigned char>();
+  
+  test_extrema<short>();
+  test_extrema<unsigned short>();
+
+  test_extrema<int>();
+  test_extrema<unsigned>();
+
+  test_extrema<long>();
+  test_extrema<unsigned long>();
+
+  test_extrema<float>();
+  test_extrema<double>();
+  test_extrema<long double>();
+
+  return 0;
+}