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// { dg-options "-std=gnu++0x" }

// 2005-01-24  Paolo Carlini  <pcarlini@suse.de>

//

// Copyright (C) 2005, 2009, 2010, 2011 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/>.

#include <type_traits>

#include <testsuite_hooks.h>

#include <testsuite_tr1.h>

void test01()

{

  bool test __attribute__((unused)) = true;

  using std::is_unsigned;

  using namespace __gnu_test;

  VERIFY( (test_category<is_unsigned, void>(false)) );

  VERIFY( (test_category<is_unsigned, char>(char(-1) > char(0))) );

  VERIFY( (test_category<is_unsigned, signed char>(false)) );

  VERIFY( (test_category<is_unsigned, unsigned char>(true)) );

#ifdef _GLIBCXX_USE_WCHAR_T

  VERIFY( (test_category<is_unsigned, wchar_t>(wchar_t(-1) > wchar_t(0))) );

#endif

  VERIFY( (test_category<is_unsigned, short>(false)) );

  VERIFY( (test_category<is_unsigned, unsigned short>(true)) );

  VERIFY( (test_category<is_unsigned, int>(false)) );

  VERIFY( (test_category<is_unsigned, unsigned int>(true)) );

  VERIFY( (test_category<is_unsigned, long>(false)) );

  VERIFY( (test_category<is_unsigned, unsigned long>(true)) );

  VERIFY( (test_category<is_unsigned, long long>(false)) );

  VERIFY( (test_category<is_unsigned, unsigned long long>(true)) );

  VERIFY( (test_category<is_unsigned, float>(false)) );

  VERIFY( (test_category<is_unsigned, double>(false)) );

  VERIFY( (test_category<is_unsigned, long double>(false)) );

  // GNU Extensions.

#ifdef _GLIBCXX_USE_INT128

  VERIFY( (test_category<is_unsigned, unsigned __int128>(true)) );

  VERIFY( (test_category<is_unsigned, __int128>(false)) );

#endif

#ifdef _GLIBCXX_USE_FLOAT128

  VERIFY( (test_category<is_unsigned, __float128>(false)) );

#endif

  // Sanity check.

  VERIFY( (test_category<is_unsigned, ClassType>(false)) );

}

int main()

{

  test01();

  return 0;

}