text: // 2007-04-08  Paolo Carlini  <pcarlini@suse.de>
  //
  // Copyright (C) 2007-2017 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/>.
  
  // 4.5.1 Primary type categories
  
  #include <tr1/type_traits>
  #include <testsuite_hooks.h>
  #include <testsuite_tr1.h>
  
  void test01()
  {
    using std::tr1::is_union;
    using namespace __gnu_test;
  
    // Positive tests.
    VERIFY( (test_category<is_union, UnionType>(true)) );
  
    // Negative tests.
    VERIFY( (test_category<is_union, ClassType>(false)) );
    VERIFY( (test_category<is_union, DerivedType>(false)) );
    VERIFY( (test_category<is_union, ConvType>(false)) );
    VERIFY( (test_category<is_union, AbstractClass>(false)) );
    VERIFY( (test_category<is_union, PolymorphicClass>(false)) );
    VERIFY( (test_category<is_union, DerivedPolymorphic>(false)) );
    VERIFY( (test_category<is_union, void>(false)) );
    VERIFY( (test_category<is_union, int>(false)) );
    VERIFY( (test_category<is_union, float>(false)) );
    VERIFY( (test_category<is_union, int[2]>(false)) );
    VERIFY( (test_category<is_union, int*>(false)) );
    VERIFY( (test_category<is_union, int(*)(int)>(false)) );
    VERIFY( (test_category<is_union, float&>(false)) );
    VERIFY( (test_category<is_union, float(&)(float)>(false)) );
    VERIFY( (test_category<is_union, int (ClassType::*)>(false)) );
    VERIFY( (test_category<is_union, int (ClassType::*) (int)>(false)) );
    VERIFY( (test_category<is_union, int (int)>(false)) );
    VERIFY( (test_category<is_union, EnumType>(false)) );
  }
  
  int main()
  {
    test01();
    return 0;
  }
  