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/*
Copyright (c) Marshall Clow 2012.
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)
For more information, see http://www.boost.org
*/
#include <boost/config.hpp>
#include <boost/algorithm/cxx11/copy_if.hpp>
#include "iterator_test.hpp"
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <algorithm>
#include <string>
#include <iostream>
#include <vector>
#include <list>
#include <boost/algorithm/cxx11/all_of.hpp>
#include <boost/algorithm/cxx14/equal.hpp>
#include <boost/algorithm/cxx11/none_of.hpp>
namespace ba = boost::algorithm;
// namespace ba = boost;
BOOST_CXX14_CONSTEXPR bool is_true ( int v ) { return true; }
BOOST_CXX14_CONSTEXPR bool is_false ( int v ) { return false; }
BOOST_CXX14_CONSTEXPR bool is_even ( int v ) { return v % 2 == 0; }
BOOST_CXX14_CONSTEXPR bool is_odd ( int v ) { return v % 2 == 1; }
BOOST_CXX14_CONSTEXPR bool is_zero ( int v ) { return v == 0; }
template <typename Container>
void test_copy_if ( Container const &c ) {
typedef typename Container::value_type value_type;
std::vector<value_type> v;
// None of the elements
v.clear ();
ba::copy_if ( c.begin (), c.end (), back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == 0 );
v.clear ();
ba::copy_if ( c, back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == 0 );
// All the elements
v.clear ();
ba::copy_if ( c.begin (), c.end (), back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
v.clear ();
ba::copy_if ( c, back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
// Some of the elements
v.clear ();
ba::copy_if ( c.begin (), c.end (), back_inserter ( v ), is_even );
BOOST_CHECK ( v.size () == (size_t) std::count_if ( c.begin (), c.end (), is_even ));
BOOST_CHECK ( ba::all_of ( v.begin (), v.end (), is_even ));
v.clear ();
ba::copy_if ( c, back_inserter ( v ), is_even );
BOOST_CHECK ( v.size () == (size_t) std::count_if ( c.begin (), c.end (), is_even ));
BOOST_CHECK ( ba::all_of ( v.begin (), v.end (), is_even ));
}
template <typename Container>
void test_copy_while ( Container const &c ) {
typedef typename Container::value_type value_type;
typename Container::const_iterator it;
std::vector<value_type> v;
// None of the elements
v.clear ();
ba::copy_while ( c.begin (), c.end (), back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == 0 );
v.clear ();
ba::copy_while ( c, back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == 0 );
// All the elements
v.clear ();
ba::copy_while ( c.begin (), c.end (), back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
v.clear ();
ba::copy_while ( c, back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
// Some of the elements
v.clear ();
it = ba::copy_while ( c.begin (), c.end (), back_inserter ( v ), is_even ).first;
BOOST_CHECK ( v.size () == (size_t) std::distance ( c.begin (), it ));
BOOST_CHECK ( it == c.end () || !is_even ( *it ));
BOOST_CHECK ( ba::all_of ( v.begin (), v.end (), is_even ));
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
v.clear ();
it = ba::copy_while ( c, back_inserter ( v ), is_even ).first;
BOOST_CHECK ( v.size () == (size_t) std::distance ( c.begin (), it ));
BOOST_CHECK ( it == c.end () || !is_even ( *it ));
BOOST_CHECK ( ba::all_of ( v.begin (), v.end (), is_even ));
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
}
template <typename Container>
void test_copy_until ( Container const &c ) {
typedef typename Container::value_type value_type;
typename Container::const_iterator it;
std::vector<value_type> v;
// None of the elements
v.clear ();
ba::copy_until ( c.begin (), c.end (), back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == 0 );
v.clear ();
ba::copy_until ( c, back_inserter ( v ), is_true);
BOOST_CHECK ( v.size () == 0 );
// All the elements
v.clear ();
ba::copy_until ( c.begin (), c.end (), back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
v.clear ();
ba::copy_until ( c, back_inserter ( v ), is_false);
BOOST_CHECK ( v.size () == c.size ());
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
// Some of the elements
v.clear ();
it = ba::copy_until ( c.begin (), c.end (), back_inserter ( v ), is_even ).first;
BOOST_CHECK ( v.size () == (size_t) std::distance ( c.begin (), it ));
BOOST_CHECK ( it == c.end () || is_even ( *it ));
BOOST_CHECK ( ba::none_of ( v.begin (), v.end (), is_even ));
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
v.clear ();
it = ba::copy_until ( c, back_inserter ( v ), is_even ).first;
BOOST_CHECK ( v.size () == (size_t) std::distance ( c.begin (), it ));
BOOST_CHECK ( it == c.end () || is_even ( *it ));
BOOST_CHECK ( ba::none_of ( v.begin (), v.end (), is_even ));
BOOST_CHECK ( std::equal ( v.begin (), v.end (), c.begin ()));
}
BOOST_CXX14_CONSTEXPR inline bool constexpr_test_copy_if() {
const int sz = 64;
int in_data[sz] = {0};
bool res = true;
const int* from = in_data;
const int* to = in_data + sz;
int out_data[sz] = {0};
int* out = out_data;
out = ba::copy_if ( from, to, out, is_false ); // copy none
res = (res && out == out_data);
out = ba::copy_if ( from, to, out, is_true ); // copy all
res = (res && out == out_data + sz
&& ba::equal( input_iterator<const int *>(out_data), input_iterator<const int *>(out_data + sz),
input_iterator<const int *>(from), input_iterator<const int *>(to)));
return res;
}
BOOST_CXX14_CONSTEXPR inline bool constexpr_test_copy_while() {
const int sz = 64;
int in_data[sz] = {0};
bool res = true;
const int* from = in_data;
const int* to = in_data + sz;
int out_data[sz] = {0};
int* out = out_data;
out = ba::copy_while ( from, to, out, is_false ).second; // copy none
res = (res && out == out_data && ba::all_of(out, out + sz, is_zero));
out = ba::copy_while ( from, to, out, is_true ).second; // copy all
res = (res && out == out_data + sz
&& ba::equal( input_iterator<const int *>(out_data), input_iterator<const int *>(out_data + sz),
input_iterator<const int *>(from), input_iterator<const int *>(to)));
return res;
}
BOOST_CXX14_CONSTEXPR inline bool constexpr_test_copy_until() {
const int sz = 64;
int in_data[sz] = {0};
bool res = true;
const int* from = in_data;
const int* to = in_data + sz;
int out_data[sz] = {0};
int* out = out_data;
out = ba::copy_until ( from, to, out, is_true ).second; // copy none
res = (res && out == out_data && ba::all_of(out, out + sz, is_zero));
out = ba::copy_until ( from, to, out, is_false ).second; // copy all
res = (res && out == out_data + sz
&& ba::equal( input_iterator<const int *>(out_data), input_iterator<const int *>(out_data + sz),
input_iterator<const int *>(from), input_iterator<const int *>(to)));
return res;
}
void test_sequence1 () {
std::vector<int> v;
for ( int i = 5; i < 15; ++i )
v.push_back ( i );
test_copy_if ( v );
test_copy_while ( v );
test_copy_until ( v );
BOOST_CXX14_CONSTEXPR bool constexpr_res_if = constexpr_test_copy_if();
BOOST_CHECK ( constexpr_res_if );
BOOST_CXX14_CONSTEXPR bool constexpr_res_while = constexpr_test_copy_while();
BOOST_CHECK ( constexpr_res_while );
BOOST_CXX14_CONSTEXPR bool constexpr_res_until = constexpr_test_copy_until();
BOOST_CHECK ( constexpr_res_until );
std::list<int> l;
for ( int i = 25; i > 15; --i )
l.push_back ( i );
test_copy_if ( l );
test_copy_while ( l );
test_copy_until ( l );
}
BOOST_AUTO_TEST_CASE( test_main )
{
test_sequence1 ();
}
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