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// Boost.Range library
//
// Copyright Thorsten Ottosen 2003-2004. Use, modification and
// distribution is subject to 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/libs/range/
//
#include <boost/detail/workaround.hpp>
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
# pragma warn -8091 // suppress warning in Boost.Test
# pragma warn -8057 // unused argument argc/argv in Boost.Test
#endif
#include <boost/range/sub_range.hpp>
#include <boost/range/as_literal.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/test/test_tools.hpp>
#include <iostream>
#include <string>
#include <vector>
namespace boost_range_test
{
namespace
{
void check_sub_range()
{
typedef std::string::iterator iterator;
typedef std::string::const_iterator const_iterator;
typedef boost::iterator_range<iterator> irange;
typedef boost::iterator_range<const_iterator> cirange;
std::string str = "hello world";
const std::string cstr = "const world";
irange r = boost::make_iterator_range( str );
r = boost::make_iterator_range( str.begin(), str.end() );
cirange r2 = boost::make_iterator_range( cstr );
r2 = boost::make_iterator_range( cstr.begin(), cstr.end() );
r2 = boost::make_iterator_range( str );
typedef boost::sub_range<std::string> srange;
typedef boost::sub_range<const std::string> csrange;
srange s = r;
BOOST_CHECK( r == r );
BOOST_CHECK( s == r );
s = boost::make_iterator_range( str );
csrange s2 = r;
s2 = r2;
s2 = boost::make_iterator_range( cstr );
BOOST_CHECK( r2 == r2 );
BOOST_CHECK( s2 != r2 );
s2 = boost::make_iterator_range( str );
BOOST_CHECK( !(s != s) );
BOOST_CHECK( r.begin() == s.begin() );
BOOST_CHECK( r2.begin()== s2.begin() );
BOOST_CHECK( r.end() == s.end() );
BOOST_CHECK( r2.end() == s2.end() );
BOOST_CHECK_EQUAL( r.size(), s.size() );
BOOST_CHECK_EQUAL( r2.size(), s2.size() );
//#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
// if( !(bool)r )
// BOOST_CHECK( false );
// if( !(bool)r2 )
// BOOST_CHECK( false );
// if( !(bool)s )
// BOOST_CHECK( false );
// if( !(bool)s2 )
// BOOST_CHECK( false );
//#else
if( !r )
BOOST_CHECK( false );
if( !r2 )
BOOST_CHECK( false );
if( !s )
BOOST_CHECK( false );
if( !s2 )
BOOST_CHECK( false );
//#endif
std::cout << r << r2 << s << s2;
std::string res = boost::copy_range<std::string>( r );
BOOST_CHECK_EQUAL_COLLECTIONS( res.begin(), res.end(), r.begin(), r.end() );
r.empty();
s.empty();
r.size();
s.size();
//
// As of range v2 not legal anymore.
//
//irange singular_irange;
//BOOST_CHECK( singular_irange.empty() );
//BOOST_CHECK( singular_irange.size() == 0 );
//
//srange singular_srange;
//BOOST_CHECK( singular_srange.empty() );
//BOOST_CHECK( singular_srange.size() == 0 );
//
//BOOST_CHECK( empty( singular_irange ) );
//BOOST_CHECK( empty( singular_srange ) );
//
srange rr = boost::make_iterator_range( str );
BOOST_CHECK( rr.equal( r ) );
rr = boost::make_iterator_range( str.begin(), str.begin() + 5 );
BOOST_CHECK( rr == boost::as_literal("hello") );
BOOST_CHECK( rr != boost::as_literal("hell") );
BOOST_CHECK( rr < boost::as_literal("hello dude") );
BOOST_CHECK( boost::as_literal("hello") == rr );
BOOST_CHECK( boost::as_literal("hell") != rr );
BOOST_CHECK( ! (boost::as_literal("hello dude") < rr ) );
irange rrr = rr;
BOOST_CHECK( rrr == rr );
BOOST_CHECK( !( rrr != rr ) );
BOOST_CHECK( !( rrr < rr ) );
const irange cr = boost::make_iterator_range( str );
BOOST_CHECK_EQUAL( cr.front(), 'h' );
BOOST_CHECK_EQUAL( cr.back(), 'd' );
BOOST_CHECK_EQUAL( cr[1], 'e' );
BOOST_CHECK_EQUAL( cr(1), 'e' );
rrr = boost::make_iterator_range( str, 1, -1 );
BOOST_CHECK( rrr == boost::as_literal("ello worl") );
rrr = boost::make_iterator_range( rrr, -1, 1 );
BOOST_CHECK( rrr == str );
rrr.front() = 'H';
rrr.back() = 'D';
rrr[1] = 'E';
BOOST_CHECK( rrr == boost::as_literal("HEllo worlD") );
}
template<class T>
void check_mutable_type(T&)
{
BOOST_STATIC_ASSERT(!boost::is_const<T>::value);
}
template<class T>
void check_constant_type(T&)
{
BOOST_STATIC_ASSERT(boost::is_const<T>::value);
}
template<class Range, class Iterator>
void check_is_const_iterator(Iterator it)
{
BOOST_STATIC_ASSERT((
boost::is_same<
BOOST_DEDUCED_TYPENAME boost::range_iterator<
BOOST_DEDUCED_TYPENAME boost::add_const<Range>::type
>::type,
Iterator
>::value));
}
template<class Range, class Iterator>
void check_is_iterator(Iterator it)
{
BOOST_STATIC_ASSERT((
boost::is_same<
BOOST_DEDUCED_TYPENAME boost::range_iterator<
BOOST_DEDUCED_TYPENAME boost::remove_const<Range>::type
>::type,
Iterator
>::value));
}
void const_propagation_mutable_collection(void)
{
typedef std::vector<int> coll_t;
typedef boost::sub_range<coll_t> sub_range_t;
coll_t c;
c.push_back(0);
sub_range_t rng(c);
const sub_range_t crng(c);
check_is_iterator<sub_range_t>(rng.begin());
check_is_iterator<sub_range_t>(rng.end());
check_is_const_iterator<sub_range_t>(crng.begin());
check_is_const_iterator<sub_range_t>(crng.end());
check_mutable_type(rng[0]);
check_mutable_type(rng.front());
check_mutable_type(rng.back());
check_constant_type(crng[0]);
check_constant_type(crng.front());
check_constant_type(crng.back());
}
void const_propagation_const_collection(void)
{
typedef std::vector<int> coll_t;
typedef boost::sub_range<const coll_t> sub_range_t;
coll_t c;
c.push_back(0);
sub_range_t rng(c);
const sub_range_t crng(c);
check_is_const_iterator<sub_range_t>(rng.begin());
check_is_const_iterator<sub_range_t>(rng.end());
check_is_const_iterator<sub_range_t>(crng.begin());
check_is_const_iterator<sub_range_t>(crng.end());
check_constant_type(rng[0]);
check_constant_type(rng.front());
check_constant_type(rng.back());
check_constant_type(crng[0]);
check_constant_type(crng.front());
check_constant_type(crng.back());
}
inline void test_advance()
{
std::vector<int> l;
l.push_back(1);
l.push_back(2);
typedef boost::sub_range<std::vector<int> > rng_t;
rng_t r1(l.begin(), l.end());
BOOST_CHECK(r1.advance_begin(1).advance_end(-1).empty());
rng_t r2(l.begin(), l.end());
BOOST_CHECK_EQUAL(r2.advance_begin(1).size(), 1u);
rng_t r3(l.begin(), l.end());
BOOST_CHECK_EQUAL(r3.advance_end(-1).size(), 1u);
}
void ticket_10514()
{
typedef std::vector<int> vec_t;
typedef boost::sub_range<vec_t> range_t;
vec_t v(10);
range_t r(v.begin(), v.end());
const range_t& cr = r;
range_t copy_r = cr;
BOOST_CHECK(r.begin() == copy_r.begin());
BOOST_CHECK(r.end() == copy_r.end());
BOOST_CHECK(cr.begin() == copy_r.begin());
BOOST_CHECK(cr.end() == copy_r.end());
}
} // anonymous namespace
} // namespace boost_range_test
boost::unit_test::test_suite* init_unit_test_suite(int, char*[])
{
boost::unit_test::test_suite* test =
BOOST_TEST_SUITE( "Boost.Range sub_range test suite" );
test->add(BOOST_TEST_CASE(&boost_range_test::check_sub_range));
test->add(BOOST_TEST_CASE(
&boost_range_test::const_propagation_const_collection));
test->add(BOOST_TEST_CASE(
&boost_range_test::const_propagation_mutable_collection));
test->add(BOOST_TEST_CASE(&boost_range_test::test_advance));
test->add(BOOST_TEST_CASE(&boost_range_test::ticket_10514));
return test;
}
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