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type_traits: Implement is_enum (usual caveats about the nasty consequences of c+...
[thirdparty/gcc.git] / libstdc++-v3 / testsuite / tr1 / 4_metaprogramming / primary_type_categories / is_enum / is_enum.cc
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1// 2004-12-25 Paolo Carlini <pcarlini@suse.de>
2//
3// Copyright (C) 2004 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10//
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15//
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING. If not, write to the Free
18// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19// USA.
20
21// 4.5.1 Primary type categories
22
23#include <tr1/type_traits>
24#include <testsuite_hooks.h>
25#include <testsuite_tr1.h>
26
27void test01()
28{
29 bool test __attribute__((unused)) = true;
30 using std::tr1::is_enum;
31 using namespace __gnu_test;
32
33 // Positive tests.
34 VERIFY( (test_category<is_enum, EnumType>(true)) );
35
36 // Negative tests.
37 VERIFY( (test_category<is_enum, void>(false)) );
38 VERIFY( (test_category<is_enum, int>(false)) );
39 VERIFY( (test_category<is_enum, float>(false)) );
40 VERIFY( (test_category<is_enum, int[2]>(false)) );
41 VERIFY( (test_category<is_enum, int*>(false)) );
42 VERIFY( (test_category<is_enum, int(*)(int)>(false)) );
43 VERIFY( (test_category<is_enum, float&>(false)) );
44 VERIFY( (test_category<is_enum, float(&)(float)>(false)) );
45 VERIFY( (test_category<is_enum, int (ClassType::*)>(false)) );
46 // Temporarily disabled because of c++/19076 :-(
47 // VERIFY( (test_category<is_enum, int (ClassType::*) (int)>(false)) );
48 VERIFY( (test_category<is_enum, int (int)>(false)) );
49
50 VERIFY( (test_category<is_enum, ConvType>(false)) );
51
52 // Sanity check.
53 VERIFY( (test_category<is_enum, ClassType>(false)) );
54}
55
56int main()
57{
58 test01();
59 return 0;
60}