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122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/*=============================================================================
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Copyright (C) 1999-2003 Jaakko Järvi
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Use, modification and distribution is subject to the Boost Software
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License, Version 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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#include <boost/detail/lightweight_test.hpp>
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#include <boost/spirit/fusion/sequence/tuple.hpp>
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#include <boost/spirit/fusion/sequence/make_tuple.hpp>
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#include <boost/spirit/fusion/sequence/equal_to.hpp>
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#include <boost/spirit/fusion/sequence/io.hpp>
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#include <fstream>
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#include <iterator>
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#include <algorithm>
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#include <string>
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#if defined BOOST_NO_STRINGSTREAM
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# include <strstream>
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#else
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# include <sstream>
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#endif
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using boost::fusion::tuple;
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using boost::fusion::make_tuple;
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using boost::fusion::tuple_close;
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using boost::fusion::tuple_open;
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using boost::fusion::tuple_delimiter;
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#if defined BOOST_NO_STRINGSTREAM
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using std::ostrstream;
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using std::istrstream;
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typedef ostrstream useThisOStringStream;
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typedef istrstream useThisIStringStream;
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#else
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using std::ostringstream;
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using std::istringstream;
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typedef ostringstream useThisOStringStream;
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typedef istringstream useThisIStringStream;
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#endif
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using std::endl;
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using std::ofstream;
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using std::ifstream;
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using std::string;
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int
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main()
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{
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using boost::fusion::tuple_close;
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using boost::fusion::tuple_open;
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using boost::fusion::tuple_delimiter;
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useThisOStringStream os1;
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// Set format [a, b, c] for os1
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os1 << tuple_open('[');
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os1 << tuple_close(']');
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os1 << tuple_delimiter(',');
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os1 << make_tuple(1, 2, 3);
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BOOST_TEST (os1.str() == std::string("[1,2,3]") );
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{
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useThisOStringStream os2;
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// Set format (a:b:c) for os2;
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os2 << tuple_open('(');
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os2 << tuple_close(')');
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os2 << tuple_delimiter(':');
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// this code now works with VC6/7
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os2 << make_tuple("TUPU", "HUPU", "LUPU", 4.5);
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BOOST_TEST (os2.str() == std::string("(TUPU:HUPU:LUPU:4.5)") );
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}
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// The format is still [a, b, c] for os1
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os1 << make_tuple(1, 2, 3);
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BOOST_TEST (os1.str() == std::string("[1,2,3][1,2,3]") );
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std::ofstream tmp("temp.tmp");
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#if !defined (BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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tmp << make_tuple("One", "Two", 3);
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#endif
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tmp << tuple_delimiter(':');
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tmp << make_tuple(1000, 2000, 3000) << endl;
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tmp.close();
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// When teading tuples from a stream, manipulators must be set correctly:
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ifstream tmp3("temp.tmp");
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tuple<string, string, int> j;
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#if !defined (BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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tmp3 >> j;
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BOOST_TEST (tmp3.good() );
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#endif
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tmp3 >> tuple_delimiter(':');
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tuple<int, int, int> i;
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tmp3 >> i;
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BOOST_TEST (tmp3.good() );
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tmp3.close();
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// reading tuple<int, int, int> in format (a b c);
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useThisIStringStream is("(100 200 300)");
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tuple<int, int, int> ti;
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BOOST_TEST(bool((is >> ti) != 0));
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BOOST_TEST(ti == make_tuple(100, 200, 300));
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// Note that strings are problematic:
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// writing a tuple on a stream and reading it back doesn't work in
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// general. If this is wanted, some kind of a parseable string class
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// should be used.
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return boost::report_errors();
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}
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