// { dg-options "-std=gnu++0x" } // Copyright (C) 2007, 2008, 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 // . // 20.6.6.2 Template class shared_ptr [util.smartptr.shared] #include #include #include using __gnu_test::tracker_allocator_counter; using __gnu_test::tracker_allocator; struct A { A(int i, double d, char c = '\0') : i(i), d(d), c(c) { ++ctor_count; } explicit A(int i) : i(i), d(), c() { ++ctor_count; } A() : i(), d(), c() { ++ctor_count; } ~A() { ++dtor_count; } int i; double d; char c; static int ctor_count; static int dtor_count; }; int A::ctor_count = 0; int A::dtor_count = 0; struct reset_count_struct { ~reset_count_struct() { A::ctor_count = 0; A::dtor_count = 0; tracker_allocator_counter::reset(); } }; // 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create] void test01() { bool test __attribute__((unused)) = true; reset_count_struct __attribute__((unused)) reset; { std::shared_ptr p1 = std::allocate_shared(tracker_allocator()); VERIFY( p1.get() != 0 ); VERIFY( p1.use_count() == 1 ); VERIFY( A::ctor_count == 1 ); VERIFY( tracker_allocator_counter::get_allocation_count() > 0 ); } VERIFY( A::ctor_count == A::dtor_count ); VERIFY( tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count() ); } void test02() { bool test __attribute__((unused)) = true; reset_count_struct __attribute__((unused)) reset; std::shared_ptr p1; p1 = std::allocate_shared(tracker_allocator(), 1); VERIFY( A::ctor_count == 1 ); VERIFY( tracker_allocator_counter::get_allocation_count() > 0 ); p1 = std::allocate_shared(tracker_allocator(), 1, 2.0); VERIFY( A::ctor_count == 2 ); VERIFY( A::dtor_count == 1 ); VERIFY( tracker_allocator_counter::get_deallocation_count() > 0 ); p1 = std::allocate_shared(tracker_allocator(), 1, 2.0, '3'); VERIFY( A::ctor_count == 3 ); VERIFY( A::dtor_count == 2 ); VERIFY( p1->i == 1 ); VERIFY( p1->d == 2.0 ); VERIFY( p1->c == '3' ); p1 = std::shared_ptr(); VERIFY( A::ctor_count == A::dtor_count ); VERIFY( tracker_allocator_counter::get_allocation_count() == tracker_allocator_counter::get_deallocation_count() ); } int main() { test01(); test02(); return 0; }