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Add make_shared_const_test

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Peter Dimov
2018-11-10 20:44:00 +02:00
parent 7e50abb9ec
commit b7cca00408
2 changed files with 234 additions and 0 deletions
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2
test/Jamfile
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@ -281,3 +281,5 @@ lib dll_test : dll_test_lib.cpp : <link>shared:<define>DLL_TEST_DYN_LINK=1 ;
run dll_test_main.cpp dll_test : : : <link>static : dll_test_static ;
run dll_test_main.cpp dll_test : : : <link>shared : dll_test_shared ;
run make_shared_const_test.cpp ;

232
test/make_shared_const_test.cpp Normal file
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@ -0,0 +1,232 @@
// make_shared_const_test.cpp
//
// Copyright 2007-2009, 2018 Peter Dimov
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/core/lightweight_test.hpp>
#include <boost/make_shared.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <cstddef>
class X
{
private:
X( X const & );
X & operator=( X const & );
void * operator new( std::size_t n )
{
// lack of this definition causes link errors on Comeau C++
BOOST_ERROR( "private X::new called" );
return ::operator new( n );
}
void operator delete( void * p )
{
// lack of this definition causes link errors on MSVC
BOOST_ERROR( "private X::delete called" );
::operator delete( p );
}
public:
static int instances;
int v;
explicit X( int a1 = 0, int a2 = 0, int a3 = 0, int a4 = 0, int a5 = 0, int a6 = 0, int a7 = 0, int a8 = 0, int a9 = 0 ): v( a1+a2+a3+a4+a5+a6+a7+a8+a9 )
{
++instances;
}
~X()
{
--instances;
}
};
int X::instances = 0;
int main()
{
{
boost::shared_ptr<int const> pi = boost::make_shared<int const>();
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( *pi == 0 );
}
{
boost::shared_ptr<int const> pi = boost::make_shared<int const>( 5 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( *pi == 5 );
}
BOOST_TEST( X::instances == 0 );
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>();
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 0 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared_noinit<X const>();
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 0 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4, 5 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4+5 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4, 5, 6 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4+5+6 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4, 5, 6, 7 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4+5+6+7 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4, 5, 6, 7, 8 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
{
boost::shared_ptr<X const> pi = boost::make_shared<X const>( 1, 2, 3, 4, 5, 6, 7, 8, 9 );
boost::weak_ptr<X const> wp( pi );
BOOST_TEST( X::instances == 1 );
BOOST_TEST( pi.get() != 0 );
BOOST_TEST( pi.use_count() == 1 );
BOOST_TEST( pi->v == 1+2+3+4+5+6+7+8+9 );
pi.reset();
BOOST_TEST( X::instances == 0 );
}
return boost::report_errors();
}