move/test/unique_ptr_modifiers.cpp
2015-04-12 12:42:34 +02:00

382 lines
9.3 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Howard Hinnant 2009
// (C) Copyright Ion Gaztanaga 2014-2014.
//
// 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)
//
// See http://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/move/utility_core.hpp>
#include <boost/move/unique_ptr.hpp>
#include <boost/static_assert.hpp>
#include <boost/move/adl_move_swap.hpp>
#include <boost/core/lightweight_test.hpp>
//////////////////////////////////////////////
//
// The initial implementation of these tests
// was written by Howard Hinnant.
//
// These test were later refactored grouping
// and porting them to Boost.Move.
//
// Many thanks to Howard for releasing his C++03
// unique_ptr implementation with such detailed
// test cases.
//
//////////////////////////////////////////////
#include "unique_ptr_test_utils_beg.hpp"
namespace bml = ::boost::movelib;
////////////////////////////////
// unique_ptr_modifiers_release
////////////////////////////////
namespace unique_ptr_modifiers_release{
void test()
{
//Single unique_ptr
{
bml::unique_ptr<int> p(new int(3));
int* i = p.get();
int* j = p.release();
BOOST_TEST(p.get() == 0);
BOOST_TEST(i == j);
p.reset(j);
}
//Unbounded array unique_ptr
{
bml::unique_ptr<int[]> p(new int[2]);
int* i = p.get();
int* j = p.release();
BOOST_TEST(p.get() == 0);
BOOST_TEST(i == j);
p.reset(j);
}
//Bounded array unique_ptr
{
bml::unique_ptr<int[2]> p(new int[2]);
int* i = p.get();
int* j = p.release();
BOOST_TEST(p.get() == 0);
BOOST_TEST(i == j);
p.reset(j);
}
}
} //namespace unique_ptr_modifiers_release{
////////////////////////////////
// unique_ptr_modifiers_reset
////////////////////////////////
namespace unique_ptr_modifiers_reset{
void test()
{
//Single unique_ptr
{
reset_counters();
{ //reset()
bml::unique_ptr<A> p(new A);
BOOST_TEST(A::count == 1);
A* i = p.get();
(void)i;
p.reset();
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
{ //reset(p)
bml::unique_ptr<A> p(new A);
BOOST_TEST(A::count == 1);
A* i = p.get();
(void)i;
p.reset(new A);
BOOST_TEST(A::count == 1);
}
BOOST_TEST(A::count == 0);
{ //reset(0)
bml::unique_ptr<A> p(new A);
BOOST_TEST(A::count == 1);
A* i = p.get();
(void)i;
p.reset(0);
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
}
//Unbounded array unique_ptr
{
reset_counters();
{ //reset()
bml::unique_ptr<A[]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset();
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
{ //reset(p)
bml::unique_ptr<A[]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset(new A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
{ //reset(0)
bml::unique_ptr<A[]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset(0);
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
}
{
//Bounded array unique_ptr
reset_counters();
{ //reset()
bml::unique_ptr<A[2]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset();
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
{ //reset(p)
bml::unique_ptr<A[2]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset(new A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
{ //reset(0)
bml::unique_ptr<A[2]> p(new A[2]);
BOOST_TEST(A::count == 2);
A* i = p.get();
(void)i;
p.reset(0);
BOOST_TEST(A::count == 0);
BOOST_TEST(p.get() == 0);
}
BOOST_TEST(A::count == 0);
}
}
} //namespace unique_ptr_modifiers_reset{
////////////////////////////////
// unique_ptr_modifiers_reset_convert
////////////////////////////////
namespace unique_ptr_modifiers_reset_convert{
void test()
{
//Single unique_ptr
reset_counters();
{
bml::unique_ptr<A> p(new A);
BOOST_TEST(A::count == 1);
BOOST_TEST(B::count == 0);
A* i = p.get();
(void)i;
p.reset(new B);
BOOST_TEST(A::count == 1);
BOOST_TEST(B::count == 1);
}
BOOST_TEST(A::count == 0);
BOOST_TEST(B::count == 0);
{
bml::unique_ptr<A> p(new B);
BOOST_TEST(A::count == 1);
BOOST_TEST(B::count == 1);
A* i = p.get();
(void)i;
p.reset(new B);
BOOST_TEST(A::count == 1);
BOOST_TEST(B::count == 1);
}
BOOST_TEST(A::count == 0);
BOOST_TEST(B::count == 0);
//Unbounded array unique_ptr
reset_counters();
{
bml::unique_ptr<const volatile A[2]> p(new const A[2]);
BOOST_TEST(A::count == 2);
const volatile A* i = p.get();
(void)i;
p.reset(new volatile A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<const A[2]> p(new A[2]);
BOOST_TEST(A::count == 2);
const A* i = p.get();
(void)i;
p.reset(new const A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
//Bounded array unique_ptr
reset_counters();
{
bml::unique_ptr<const volatile A[2]> p(new const A[2]);
BOOST_TEST(A::count == 2);
const volatile A* i = p.get();
(void)i;
p.reset(new volatile A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<const A[2]> p(new A[2]);
BOOST_TEST(A::count == 2);
const A* i = p.get();
(void)i;
p.reset(new const A[3]);
BOOST_TEST(A::count == 3);
}
BOOST_TEST(A::count == 0);
}
} //unique_ptr_modifiers_reset_convert
////////////////////////////////
// unique_ptr_modifiers
////////////////////////////////
namespace unique_ptr_modifiers_swap{
// test swap
void test()
{
//Single unique_ptr
reset_counters();
{
A* p1 = new A(1);
move_constr_deleter<A> d1(1);
bml::unique_ptr<A, move_constr_deleter<A> > s1(p1, ::boost::move(d1));
A* p2 = new A(2);
move_constr_deleter<A> d2(2);
bml::unique_ptr<A, move_constr_deleter<A> > s2(p2, ::boost::move(d2));
BOOST_TEST(s1.get() == p1);
BOOST_TEST(*s1 == A(1));
BOOST_TEST(s1.get_deleter().state() == 1);
BOOST_TEST(s2.get() == p2);
BOOST_TEST(*s2 == A(2));
BOOST_TEST(s2.get_deleter().state() == 2);
boost::adl_move_swap(s1, s2);
BOOST_TEST(s1.get() == p2);
BOOST_TEST(*s1 == A(2));
BOOST_TEST(s1.get_deleter().state() == 2);
BOOST_TEST(s2.get() == p1);
BOOST_TEST(*s2 == A(1));
BOOST_TEST(s2.get_deleter().state() == 1);
}
//Unbounded array unique_ptr
reset_counters();
{
A* p1 = new A[2];
p1[0].set(1);
p1[1].set(2);
move_constr_deleter<A[]> d1(1);
bml::unique_ptr<A[], move_constr_deleter<A[]> > s1(p1, ::boost::move(d1));
A* p2 = new A[2];
p2[0].set(3);
p2[1].set(4);
move_constr_deleter<A[]> d2(2);
bml::unique_ptr<A[], move_constr_deleter<A[]> > s2(p2, ::boost::move(d2));
BOOST_TEST(s1.get() == p1);
BOOST_TEST(s1[0] == A(1));
BOOST_TEST(s1[1] == A(2));
BOOST_TEST(s1.get_deleter().state() == 1);
BOOST_TEST(s2.get() == p2);
BOOST_TEST(s2[0] == A(3));
BOOST_TEST(s2[1] == A(4));
BOOST_TEST(s2.get_deleter().state() == 2);
swap(s1, s2);
BOOST_TEST(s1.get() == p2);
BOOST_TEST(s1[0] == A(3));
BOOST_TEST(s1[1] == A(4));
BOOST_TEST(s1.get_deleter().state() == 2);
BOOST_TEST(s2.get() == p1);
BOOST_TEST(s2[0] == A(1));
BOOST_TEST(s2[1] == A(2));
BOOST_TEST(s2.get_deleter().state() == 1);
}
//Bounded array unique_ptr
reset_counters();
{
A* p1 = new A[2];
p1[0].set(1);
p1[1].set(2);
move_constr_deleter<A[2]> d1(1);
bml::unique_ptr<A[2], move_constr_deleter<A[2]> > s1(p1, ::boost::move(d1));
A* p2 = new A[2];
p2[0].set(3);
p2[1].set(4);
move_constr_deleter<A[2]> d2(2);
bml::unique_ptr<A[2], move_constr_deleter<A[2]> > s2(p2, ::boost::move(d2));
BOOST_TEST(s1.get() == p1);
BOOST_TEST(s1[0] == A(1));
BOOST_TEST(s1[1] == A(2));
BOOST_TEST(s1.get_deleter().state() == 1);
BOOST_TEST(s2.get() == p2);
BOOST_TEST(s2[0] == A(3));
BOOST_TEST(s2[1] == A(4));
BOOST_TEST(s2.get_deleter().state() == 2);
swap(s1, s2);
BOOST_TEST(s1.get() == p2);
BOOST_TEST(s1[0] == A(3));
BOOST_TEST(s1[1] == A(4));
BOOST_TEST(s1.get_deleter().state() == 2);
BOOST_TEST(s2.get() == p1);
BOOST_TEST(s2[0] == A(1));
BOOST_TEST(s2[1] == A(2));
BOOST_TEST(s2.get_deleter().state() == 1);
}
}
} //namespace unique_ptr_modifiers_swap{
////////////////////////////////
// main
////////////////////////////////
int main()
{
//Modifiers
unique_ptr_modifiers_release::test();
unique_ptr_modifiers_reset::test();
unique_ptr_modifiers_reset_convert::test();
unique_ptr_modifiers_swap::test();
//Test results
return boost::report_errors();
}
#include "unique_ptr_test_utils_end.hpp"