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143 lines
3.8 KiB
C++
Executable File
143 lines
3.8 KiB
C++
Executable File
// Boost.Range library
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//
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// Copyright Thorsten Ottosen & Larry Evans 2003-2005. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#include <boost/detail/workaround.hpp>
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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# pragma warn -8091 // supress warning in Boost.Test
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# pragma warn -8057 // unused argument argc/argv in Boost.Test
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#endif
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#include <boost/range/iterator_range.hpp>
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#include <boost/range/functions.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <iostream>
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#include <string>
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using namespace boost;
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using namespace std;
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void check_reference_type();
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void check_iterator_range()
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{
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typedef string::iterator iterator;
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typedef string::const_iterator const_iterator;
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typedef iterator_range<iterator> irange;
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typedef iterator_range<const_iterator> cirange;
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string str = "hello world";
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const string cstr = "const world";
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irange r = make_iterator_range( str );
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r = make_iterator_range( str.begin(), str.end() );
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cirange r2 = make_iterator_range( cstr );
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r2 = make_iterator_range( cstr.begin(), cstr.end() );
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r2 = make_iterator_range( str );
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BOOST_CHECK( !r.empty() );
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BOOST_CHECK( !r2.empty() );
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//#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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// if( !(bool)r )
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// BOOST_CHECK( false );
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// if( !(bool)r2 )
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// BOOST_CHECK( false );
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//#else
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if( !r )
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BOOST_CHECK( false );
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if( !r2 )
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BOOST_CHECK( false );
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//#endif
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BOOST_CHECK_EQUAL( r.size(), size( r ) );
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BOOST_CHECK_EQUAL( r2.size(), size( r2 ) );
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BOOST_CHECK_EQUAL( distance( r.begin(), r.end() ),
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distance( begin( r2 ), end( r2 ) ) );
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cout << r << r2;
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string res = copy_range<string>( r );
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BOOST_CHECK( equal( res.begin(), res.end(), r.begin() ) );
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irange rr = make_iterator_range( str );
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BOOST_CHECK( rr.equal( r ) );
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rr = make_iterator_range( str.begin(), str.begin() + 5 );
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BOOST_CHECK( rr == "hello" );
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BOOST_CHECK( rr != "hell" );
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BOOST_CHECK( rr < "hello dude" );
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BOOST_CHECK( "hello" == rr );
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BOOST_CHECK( "hell" != rr );
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BOOST_CHECK( ! ("hello dude" < rr ) );
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irange rrr = rr;
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BOOST_CHECK( rrr == rr );
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BOOST_CHECK( !( rrr != rr ) );
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BOOST_CHECK( !( rrr < rr ) );
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const irange cr = make_iterator_range( str );
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BOOST_CHECK_EQUAL( cr.front(), 'h' );
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BOOST_CHECK_EQUAL( cr.back(), 'd' );
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BOOST_CHECK_EQUAL( cr[1], 'e' );
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rrr = make_iterator_range( str, 1, -1 );
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BOOST_CHECK( rrr == "ello worl" );
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rrr = make_iterator_range( rrr, -1, 1 );
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BOOST_CHECK( rrr == str );
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check_reference_type();
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}
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using boost::unit_test::test_suite;
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test_suite* init_unit_test_suite( int argc, char* argv[] )
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{
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test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" );
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test->add( BOOST_TEST_CASE( &check_iterator_range ) );
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return test;
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}
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//
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//
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// Check that constness is propgated correct from
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// the iterator types.
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//
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// Test contributed by Larry Evans.
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//
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template< class Container >
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int test_iter_range( Container& a_cont )
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{
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typedef BOOST_DEDUCED_TYPENAME range_result_iterator<Container>::type citer_type;
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typedef iterator_range<citer_type> riter_type;
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riter_type a_riter( make_iterator_range( a_cont ) );
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a_riter.front();
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a_riter.back();
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int i = a_riter[0];
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return i;
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}
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void check_reference_type()
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{
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typedef vector<int> veci_type;
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veci_type a_vec;
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a_vec.push_back( 999 );
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test_iter_range<veci_type>(a_vec);
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test_iter_range<veci_type const>(a_vec);
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}
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