X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Fshared_ptr%2Fcons%2Fmove.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Fshared_ptr%2Fcons%2Fmove.cc;h=7951558298b7b4cfcf46313f08b64498e960ac1b;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/move.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/move.cc new file mode 100644 index 00000000..79515582 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/move.cc @@ -0,0 +1,164 @@ +// { 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 +// . + +// TR1 20.6.6.2 Template class shared_ptr [util.smartptr.shared] + +#include +#include +#include + +struct A +{ + A() { ++ctor_count; } + virtual ~A() { ++dtor_count; } + static long ctor_count; + static long dtor_count; +}; +long A::ctor_count = 0; +long A::dtor_count = 0; + +struct B : A +{ + B() { ++ctor_count; } + virtual ~B() { ++dtor_count; } + static long ctor_count; + static long dtor_count; +}; +long B::ctor_count = 0; +long B::dtor_count = 0; + +struct D +{ + void operator()(B* p) const { delete p; ++delete_count; } + static long delete_count; +}; +long D::delete_count = 0; + +struct reset_count_struct +{ + ~reset_count_struct() + { + A::ctor_count = 0; + A::dtor_count = 0; + B::ctor_count = 0; + B::dtor_count = 0; + D::delete_count = 0; + } +}; + +// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const] + +// Rvalue construction +int test01() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr a1; + std::shared_ptr a2(std::move(a1)); + VERIFY( a1.use_count() == 0 ); + VERIFY( a2.use_count() == 0 ); + VERIFY( A::ctor_count == 0 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 0 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +test02() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr a1(new A); + std::shared_ptr a2(std::move(a1)); + VERIFY( a1.use_count() == 0 ); + VERIFY( a2.use_count() == 1 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + + return 0; +} + +int +test03() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr b(new B); + std::shared_ptr a(std::move(b)); + VERIFY( b.use_count() == 0 ); + VERIFY( a.use_count() == 1 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + + return 0; +} + +int +test04() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr b(new B, D()); + std::shared_ptr a(std::move(b)); + VERIFY( b.use_count() == 0 ); + VERIFY( a.use_count() == 1 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + VERIFY( B::ctor_count == 1 ); + VERIFY( B::dtor_count == 0 ); + + a = std::move(std::shared_ptr()); + VERIFY( D::delete_count == 1 ); + VERIFY( B::dtor_count == 1 ); + + return 0; +} + +int +test05() +{ + reset_count_struct __attribute__((unused)) reset; + bool test __attribute__((unused)) = true; + + std::shared_ptr a(std::move(std::shared_ptr(new A))); + VERIFY( a.use_count() == 1 ); + VERIFY( A::ctor_count == 1 ); + VERIFY( A::dtor_count == 0 ); + + return 0; +} + +int +main() +{ + test01(); + test02(); + test03(); + test04(); + test05(); + return 0; +}