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121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
/*=============================================================================
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Copyright (c) 1998-2003 Joel de Guzman
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http://spirit.sourceforge.net/
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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 <iostream>
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#include <boost/spirit/include/classic_core.hpp>
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#include <boost/spirit/include/classic_loops.hpp>
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#include <boost/core/lightweight_test.hpp>
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using namespace BOOST_SPIRIT_CLASSIC_NS;
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///////////////////////////////////////////////////////////////////////////////
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//
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// Loops tests
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//
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///////////////////////////////////////////////////////////////////////////////
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void
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loops_tests()
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{
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parse_info<char const*> pi;
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pi = parse("\"Hello World\"", "\"" >> *(anychar_p - "\"") >> "\"");
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 13);
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BOOST_TEST(*pi.stop == 0);
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pi = parse("\"Hello World\"", "\"" >> repeat_p(0, more)[anychar_p - "\""] >> "\"");
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 13);
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BOOST_TEST(*pi.stop == 0);
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pi = parse("xx", +ch_p('x'));
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 2);
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BOOST_TEST(*pi.stop == 0);
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pi = parse("xx", repeat_p(1, more)[ch_p('x')]);
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 2);
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BOOST_TEST(*pi.stop == 0);
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pi = parse("", +ch_p('x'));
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BOOST_TEST(!pi.hit);
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pi = parse("", repeat_p(1, more)[ch_p('x')]);
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BOOST_TEST(!pi.hit);
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pi = parse("", *ch_p('x'));
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 0);
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BOOST_TEST(*pi.stop == 0);
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pi = parse("", repeat_p(0, more)[ch_p('x')]);
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BOOST_TEST(pi.hit);
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BOOST_TEST(pi.full);
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BOOST_TEST(pi.length == 0);
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BOOST_TEST(*pi.stop == 0);
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// repeat exact 8
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rule<> rep8 = repeat_p(8)[alpha_p] >> 'X';
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BOOST_TEST(!parse("abcdefgX", rep8).hit);
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BOOST_TEST(parse("abcdefghX", rep8).full);
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BOOST_TEST(!parse("abcdefghiX", rep8).hit);
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BOOST_TEST(!parse("abcdefgX", rep8).hit);
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BOOST_TEST(!parse("aX", rep8).hit);
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// repeat 2 to 8
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rule<> rep28 = repeat_p(2, 8)[alpha_p] >> '*';
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BOOST_TEST(parse("abcdefg*", rep28).full);
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BOOST_TEST(parse("abcdefgh*", rep28).full);
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BOOST_TEST(!parse("abcdefghi*", rep28).hit);
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BOOST_TEST(!parse("a*", rep28).hit);
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// repeat 2 or more
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rule<> rep2_ = repeat_p(2, more)[alpha_p] >> '+';
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BOOST_TEST(parse("abcdefg+", rep2_).full);
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BOOST_TEST(parse("abcdefgh+", rep2_).full);
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BOOST_TEST(parse("abcdefghi+", rep2_).full);
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BOOST_TEST(parse("abcdefg+", rep2_).full);
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BOOST_TEST(!parse("a+", rep2_).hit);
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// repeat 0
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rule<> rep0 = repeat_p(0)[alpha_p] >> '/';
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BOOST_TEST(parse("/", rep0).full);
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BOOST_TEST(!parse("a/", rep0).hit);
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// repeat 0 or 1
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rule<> rep01 = repeat_p(0, 1)[alpha_p >> digit_p] >> '?';
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BOOST_TEST(!parse("abcdefg?", rep01).hit);
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BOOST_TEST(!parse("a?", rep01).hit);
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BOOST_TEST(!parse("1?", rep01).hit);
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BOOST_TEST(!parse("11?", rep01).hit);
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BOOST_TEST(!parse("aa?", rep01).hit);
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BOOST_TEST(parse("?", rep01).full);
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BOOST_TEST(parse("a1?", rep01).full);
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// Main
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//
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///////////////////////////////////////////////////////////////////////////////
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int
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main()
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{
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loops_tests();
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return boost::report_errors();
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}
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