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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [tr1/] [4_metaprogramming/] [type_properties/] [is_empty/] [is_empty.cc] - Rev 19
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// 2005-01-28 Paolo Carlini <pcarlini@suse.de> // // Copyright (C) 2005 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 4.5.3 Type properties #include <tr1/type_traits> #include <testsuite_hooks.h> #include <testsuite_tr1.h> class EmptyClassOne { typedef int type; }; class EmptyClassTwo { static int data; }; class EmptyClassThree { int f(); }; class NonEmptyClassOne { int data; }; class NonEmptyClassTwo { virtual int f(); virtual ~NonEmptyClassTwo(); }; void test01() { bool test __attribute__((unused)) = true; using std::tr1::is_empty; using namespace __gnu_test; // Positive tests. VERIFY( (test_category<is_empty, ClassType>(true)) ); VERIFY( (test_category<is_empty, EmptyClassOne>(true)) ); VERIFY( (test_category<is_empty, EmptyClassTwo>(true)) ); VERIFY( (test_category<is_empty, EmptyClassThree>(true)) ); // Negative tests. VERIFY( (test_category<is_empty, void>(false)) ); VERIFY( (test_category<is_empty, float>(false)) ); VERIFY( (test_category<is_empty, int[4]>(false)) ); VERIFY( (test_category<is_empty, int*>(false)) ); VERIFY( (test_category<is_empty, int&>(false)) ); VERIFY( (test_category<is_empty, int (ClassType::*)>(false)) ); VERIFY( (test_category<is_empty, EnumType>(false)) ); VERIFY( (test_category<is_empty, int (int)>(false)) ); VERIFY( (test_category<is_empty, AbstractClass>(false)) ); VERIFY( (test_category<is_empty, NonEmptyClassOne>(false)) ); VERIFY( (test_category<is_empty, NonEmptyClassTwo>(false)) ); } int main() { test01(); return 0; }