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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [20_util/] [shared_ptr/] [cons/] [alias.cc] - Rev 516
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2007, 2009 Free Software Foundation // // 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/>. // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] #include <memory> #include <testsuite_hooks.h> struct A { A() : i() { } virtual ~A() { } int i; }; struct B : A { B() : A(), a() { } virtual ~B() { } A a; }; void deletefunc(A* p) { delete p; } // 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] // Aliasing constructors int test01() { bool test __attribute__((unused)) = true; std::shared_ptr<A> a; std::shared_ptr<bool> b1(a, &test); VERIFY( b1.use_count() == 0 ); VERIFY( a.get() == 0 ); VERIFY( b1.get() == &test ); std::shared_ptr<bool> b2(b1); VERIFY( b2.use_count() == 0 ); VERIFY( b1.get() == b2.get() ); return 0; } int test02() { bool test __attribute__((unused)) = true; std::shared_ptr<A> a(new A); std::shared_ptr<int> i1(a, &a->i); VERIFY( i1.use_count() == 2 ); std::shared_ptr<int> i2(i1); VERIFY( i2.use_count() == 3 ); VERIFY( i2.get() == &a->i ); return 0; } int test03() { bool test __attribute__((unused)) = true; std::shared_ptr<B> b(new B); std::shared_ptr<A> a1(b, b.get()); std::shared_ptr<A> a2(b, &b->a); VERIFY( a2.use_count() == 3 ); VERIFY( a1 == b ); VERIFY( a2 != b ); VERIFY( a1.get() != a2.get() ); std::shared_ptr<A> a3(a1); VERIFY( a3 == b ); a3 = a2; VERIFY( a3.get() == &b->a ); return 0; } int main() { test01(); test02(); test03(); return 0; }