container/test/small_vector_test.cpp

557 lines
16 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2004-2013. 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/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/container/small_vector.hpp>
#include "vector_test.hpp"
#include "movable_int.hpp"
#include "propagate_allocator_test.hpp"
#include "default_init_test.hpp"
#include "../../intrusive/test/iterator_test.hpp"
#include <boost/container/allocator_traits.hpp>
#include <iostream>
struct boost_container_small_vector;
namespace boost { namespace container { namespace test {
template<>
struct alloc_propagate_base<boost_container_small_vector>
{
template <class T, class Allocator>
struct apply
{
typedef boost::container::small_vector<T, 10, Allocator> type;
};
};
}}} //namespace boost::container::test
bool test_small_vector_shrink_to_fit()
{
boost::container::small_vector<int, 5> sm5;
boost::container::vector<int> v;
sm5.push_back(1);
sm5.push_back(2);
sm5.push_back(3);
sm5.push_back(4);
sm5.push_back(5);
v.push_back(1);
v.push_back(2);
v.push_back(3);
v.push_back(4);
v.push_back(5);
if (!sm5.is_small())
return false;
if (!boost::container::algo_equal(sm5.begin(), sm5.end(), v.begin(), v.end()))
return false;
//Shrinking a when internal storage is used is a no-op
sm5.shrink_to_fit();
if (!sm5.is_small())
return false;
if (!boost::container::algo_equal(sm5.begin(), sm5.end(), v.begin(), v.end()))
return false;
//If dynamic memory is used, shrink_to_fit will move elements to the internal storage
sm5.push_back(6);
v.push_back(6);
if (sm5.is_small())
return false;
sm5.pop_back();
v.pop_back();
if (sm5.is_small())
return false;
sm5.shrink_to_fit();
if (!sm5.is_small())
return false;
if (!boost::container::algo_equal(sm5.begin(), sm5.end(), v.begin(), v.end()))
return false;
//If dynamic memory is used, and size is zero the dynamic storage is deallocated
sm5.push_back(6);
v.push_back(6);
if (sm5.is_small())
return false;
sm5.clear();
v.clear();
if (sm5.is_small())
return false;
sm5.shrink_to_fit();
if (!sm5.is_small())
return false;
if (!boost::container::algo_equal(sm5.begin(), sm5.end(), v.begin(), v.end()))
return false;
return true;
}
bool test_small_vector_base_test()
{
typedef boost::container::small_vector_base<int> smb_t;
{
typedef boost::container::small_vector<int, 5> sm5_t;
BOOST_CONTAINER_STATIC_ASSERT(sm5_t::static_capacity == 5);
sm5_t sm5;
smb_t &smb = sm5;
smb.push_back(1);
sm5_t sm5_copy(sm5);
sm5_copy.push_back(1);
if (!boost::container::test::CheckEqualContainers(sm5, smb))
return false;
}
{
typedef boost::container::small_vector<int, 7> sm7_t;
BOOST_CONTAINER_STATIC_ASSERT(sm7_t::static_capacity == 7);
sm7_t sm7;
smb_t &smb = sm7;
smb.push_back(2);
sm7_t sm7_copy(sm7);
sm7_copy.push_back(2);
if (!boost::container::test::CheckEqualContainers(sm7, smb))
return false;
}
{
typedef boost::container::small_vector<int, 5> sm5_t;
sm5_t sm5;
smb_t &smb = sm5;
smb.push_back(1);
sm5_t sm5_copy(smb);
if (!boost::container::test::CheckEqualContainers(sm5, sm5_copy))
return false;
smb.push_back(2);
if(smb.size() != 2){
return false;
}
sm5_copy = smb;
if (!boost::container::test::CheckEqualContainers(sm5, sm5_copy))
return false;
sm5_t sm5_move(boost::move(smb));
smb.clear();
if (!boost::container::test::CheckEqualContainers(sm5_move, sm5_copy))
return false;
smb = sm5_copy;
sm5_move = boost::move(smb);
smb.clear();
if (!boost::container::test::CheckEqualContainers(sm5_move, sm5_copy))
return false;
}
{
typedef boost::container::small_vector<int, 5> sm5_t;
typedef boost::container::small_vector<int, 7> sm7_t;
{
//Both in static memory
sm5_t sm5;
sm5.push_back(1);
sm7_t sm7;
sm7.push_back(2);
sm5_t sm5_copy(sm5);
sm7_t sm7_copy(sm7);
smb_t& smb5 = sm5_copy;
smb_t& smb7 = sm7_copy;
if (!sm5.is_small() || !sm7.is_small())
return false;
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm5))
return false;
if (!sm5.is_small() || !sm7.is_small())
return false;
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm5))
return false;
if (!sm5.is_small() || !sm7.is_small())
return false;
}
{
//Both in dynamic memory
sm5_t sm5;
for(std::size_t i = 0, max = sm5.capacity()+1; i != max; ++i){
sm5.push_back(int(i));
}
sm7_t sm7;
for(std::size_t i = 0, max = sm7.capacity()+1; i != max; ++i){
sm7.push_back(int(i));
}
sm5_t sm5_copy(sm5);
sm7_t sm7_copy(sm7);
smb_t& smb5 = sm5_copy;
smb_t& smb7 = sm7_copy;
if (smb5.is_small() || smb7.is_small())
return false;
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm5))
return false;
if (smb5.is_small() || smb7.is_small())
return false;
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm5))
return false;
if (smb5.is_small() || smb7.is_small())
return false;
}
{
//sm7 in dynamic memory
sm5_t sm5;
for(std::size_t i = 0, max = sm5.capacity()-1; i != max; ++i){
sm5.push_back(int(i));
}
sm7_t sm7;
for(std::size_t i = 0, max = sm7.capacity()+1; i != max; ++i){
sm7.push_back(int(i));
}
sm5_t sm5_copy(sm5);
sm7_t sm7_copy(sm7);
smb_t& smb5 = sm5_copy;
smb_t& smb7 = sm7_copy;
if (!smb5.is_small() || smb7.is_small())
return false;
//As small_vector_base is capacity-erased, will make an element-wise swap,
//remaining smb7 elements won't fit in smb5's internal buffer so both will be dynamic
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm5))
return false;
if (smb5.is_small() || smb7.is_small())
return false;
//Swap them again (both dynamic)
smb5.swap(smb7);
if (!boost::container::test::CheckEqualContainers(sm7_copy, sm7))
return false;
if (!boost::container::test::CheckEqualContainers(sm5_copy, sm5))
return false;
if (smb5.is_small() || smb7.is_small())
return false;
//Try again with one dynamic, but the reverse option
//shrink to fit should free the dynamic buffer after clear
//and both should be small again using the internal buffer
sm5_copy.clear();
sm5_copy.shrink_to_fit();
sm7_copy.clear();
sm7_copy.shrink_to_fit();
if (!smb5.is_small() || !smb7.is_small())
return false;
sm5_copy = sm5;
sm7_copy = sm7;
if (!smb5.is_small() || smb7.is_small())
return false;
}
}
return true;
}
//small vector has internal storage so some special swap cases must be tested
bool test_swap()
{
typedef boost::container::small_vector<int, 10> vec;
{ //v bigger than static capacity, w empty
vec v;
for(std::size_t i = 0, max = v.capacity()+1; i != max; ++i){
v.push_back(int(i));
}
vec w;
vec v_copy = v;
vec w_copy = w;
v.swap(w);
if (w != v_copy || v != w_copy)
return false;
}
{ //v smaller than static capacity, w empty
vec v;
for(std::size_t i = 0, max = v.capacity()-1; i != max; ++i){
v.push_back(int(i));
}
vec w;
vec v_copy = v;
vec w_copy = w;
v.swap(w);
if (w != v_copy || v != w_copy)
return false;
}
{ //v bigger than static capacity, w enough capacity for static
vec v;
for (std::size_t i = 0, max = v.capacity() + 1; i != max; ++i) {
v.push_back(int(i));
}
vec w;
for (std::size_t i = 0, max = w.capacity() / 2; i != max; ++i) {
w.push_back(int(i));
}
vec v_copy = v;
vec w_copy = w;
v.swap(w);
if (w != v_copy || v != w_copy)
return false;
}
{ //v & w smaller than static capacity
vec v;
for(std::size_t i = 0, max = v.capacity()-1; i != max; ++i){
v.push_back(int(i));
}
vec w;
for(std::size_t i = 0, max = w.capacity()/2; i != max; ++i){
w.push_back(int(i));
}
vec v_copy = v;
vec w_copy = w;
v.swap(w);
if (w != v_copy || v != w_copy)
return false;
}
{ //v & w bigger than static capacity
vec v;
for(std::size_t i = 0, max = v.capacity()+1; i != max; ++i){
v.push_back(int(i));
}
vec w;
for(std::size_t i = 0, max = w.capacity()*2; i != max; ++i){
w.push_back(int(i));
}
vec v_copy = v;
vec w_copy = w;
v.swap(w);
if (w != v_copy || v != w_copy)
return false;
}
//Now test internal buffer/dynamic buffer swapping
{
typedef boost::container::small_vector<int, 5> sm5_t;
{
sm5_t sm5;
for (std::size_t i = 0, max = sm5.capacity() - 1; i != max; ++i) {
sm5.push_back(int(i));
}
sm5_t sm5_copy(sm5);
{
sm5_t sm5_dyn(sm5);
sm5_dyn.resize(sm5_dyn.capacity() + 1u);
sm5_dyn.resize(sm5.size());
if (sm5_dyn != sm5 || sm5_dyn.is_small())
return false;
//Swap derived small vector one static one dynamic
sm5_copy.swap(sm5_dyn);
if (sm5_dyn != sm5)
return false;
//Dynamic buffer should be transferred, the old dynamic should be small now
if (sm5_copy.is_small() || !sm5_dyn.is_small())
return false;
//Swap derived small vector one static one dynamic
sm5_copy.swap(sm5_dyn);
if (sm5_dyn != sm5)
return false;
//Dynamic buffer should be transferred, the old dynamic should be small now
if (!sm5_copy.is_small() || sm5_dyn.is_small())
return false;
}
{
sm5_t sm5_int(sm5);
if (sm5_int != sm5 || !sm5_int.is_small())
return false;
//Swap derived small vector one static one dynamic
sm5_copy.swap(sm5_int);
if (sm5_int != sm5)
return false;
//No dynamic memory should be present as small capacity is enough
if (!sm5_copy.is_small() || !sm5_int.is_small())
return false;
//Swap derived small vector one static one dynamic
sm5_copy.swap(sm5_int);
if (sm5_int != sm5)
return false;
//No dynamic memory should be present as small capacity is enough
if (!sm5_copy.is_small() || !sm5_int.is_small())
return false;
}
}
}
return true;
}
template<class VoidAllocator>
struct GetAllocatorCont
{
template<class ValueType>
struct apply
{
typedef boost::container::small_vector< ValueType, 10
, typename boost::container::allocator_traits<VoidAllocator>
::template portable_rebind_alloc<ValueType>::type
> type;
};
};
template<class VoidAllocator>
int test_cont_variants()
{
using namespace boost::container;
typedef typename GetAllocatorCont<VoidAllocator>::template apply<int>::type MyCont;
typedef typename GetAllocatorCont<VoidAllocator>::template apply<test::movable_int>::type MyMoveCont;
typedef typename GetAllocatorCont<VoidAllocator>::template apply<test::movable_and_copyable_int>::type MyCopyMoveCont;
typedef typename GetAllocatorCont<VoidAllocator>::template apply<test::copyable_int>::type MyCopyCont;
typedef typename GetAllocatorCont<VoidAllocator>::template apply<test::moveconstruct_int>::type MyMoveConstructCont;
if (test::vector_test<MyCont>())
return 1;
if (test::vector_test<MyMoveCont>())
return 1;
if (test::vector_test<MyCopyMoveCont>())
return 1;
if (test::vector_test<MyCopyCont>())
return 1;
if (test::vector_test<MyMoveConstructCont>())
return 1;
return 0;
}
int main()
{
using namespace boost::container;
if(!test_swap())
return 1;
if (test::vector_test< small_vector<int, 0> >())
return 1;
if (test::vector_test< small_vector<int, 2000> >())
return 1;
if (test_cont_variants< new_allocator<void> >())
return 1;
////////////////////////////////////
// Default init test
////////////////////////////////////
if(!test::default_init_test< small_vector<int, 5, test::default_init_allocator<int> > >()){
std::cerr << "Default init test failed" << std::endl;
return 1;
}
////////////////////////////////////
// Emplace testing
////////////////////////////////////
const test::EmplaceOptions Options = (test::EmplaceOptions)(test::EMPLACE_BACK | test::EMPLACE_BEFORE);
if(!boost::container::test::test_emplace< small_vector<test::EmplaceInt, 5>, Options>()){
return 1;
}
////////////////////////////////////
// Allocator propagation testing
////////////////////////////////////
if(!boost::container::test::test_propagate_allocator<boost_container_small_vector>()){
return 1;
}
////////////////////////////////////
// Initializer lists testing
////////////////////////////////////
if(!boost::container::test::test_vector_methods_with_initializer_list_as_argument_for
< boost::container::small_vector<int, 5> >()) {
return 1;
}
////////////////////////////////////
// Small vector base
////////////////////////////////////
if (!test_small_vector_shrink_to_fit()){
return 1;
}
////////////////////////////////////
// Iterator testing
////////////////////////////////////
{
typedef boost::container::small_vector<int, 10> cont_int;
for (std::size_t i = 10; i <= 10000; i *= 10) {
cont_int a;
for (int j = 0; j < (int)i; ++j)
a.push_back((int)j);
boost::intrusive::test::test_iterator_random< cont_int >(a);
if (boost::report_errors() != 0) {
return 1;
}
}
}
////////////////////////////////////
// has_trivial_destructor_after_move testing
////////////////////////////////////
// default allocator
{
typedef boost::container::small_vector<int, 0> cont;
BOOST_CONTAINER_STATIC_ASSERT(!boost::has_trivial_destructor_after_move<cont>::value);
}
// std::allocator
{
typedef boost::container::small_vector<int, 0, std::allocator<int> > cont;
BOOST_CONTAINER_STATIC_ASSERT(!boost::has_trivial_destructor_after_move<cont>::value);
}
return 0;
}