1// 2005-01-28 Paolo Carlini <pcarlini@suse.de> 2// 3// Copyright (C) 2005-2015 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 4.5.3 Type properties 21 22#include <tr1/type_traits> 23#include <testsuite_hooks.h> 24#include <testsuite_tr1.h> 25 26class EmptyClassOne 27{ typedef int type; }; 28 29class EmptyClassTwo 30{ static int data; }; 31 32class EmptyClassThree 33{ int f(); }; 34 35class NonEmptyClassOne 36{ int data; }; 37 38class NonEmptyClassTwo 39{ 40 virtual int f(); 41 virtual ~NonEmptyClassTwo(); 42}; 43 44void test01() 45{ 46 bool test __attribute__((unused)) = true; 47 using std::tr1::is_empty; 48 using namespace __gnu_test; 49 50 // Positive tests. 51 VERIFY( (test_category<is_empty, ClassType>(true)) ); 52 VERIFY( (test_category<is_empty, EmptyClassOne>(true)) ); 53 VERIFY( (test_category<is_empty, EmptyClassTwo>(true)) ); 54 VERIFY( (test_category<is_empty, EmptyClassThree>(true)) ); 55 56 // Negative tests. 57 VERIFY( (test_category<is_empty, void>(false)) ); 58 VERIFY( (test_category<is_empty, float>(false)) ); 59 VERIFY( (test_category<is_empty, int[4]>(false)) ); 60 VERIFY( (test_category<is_empty, int*>(false)) ); 61 VERIFY( (test_category<is_empty, int&>(false)) ); 62 VERIFY( (test_category<is_empty, int (ClassType::*)>(false)) ); 63 VERIFY( (test_category<is_empty, EnumType>(false)) ); 64 VERIFY( (test_category<is_empty, int (int)>(false)) ); 65 66 VERIFY( (test_category<is_empty, AbstractClass>(false)) ); 67 VERIFY( (test_category<is_empty, NonEmptyClassOne>(false)) ); 68 VERIFY( (test_category<is_empty, NonEmptyClassTwo>(false)) ); 69} 70 71int main() 72{ 73 test01(); 74 return 0; 75} 76