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123 lines
3.2 KiB
C++
Executable File
123 lines
3.2 KiB
C++
Executable File
///////////////////////////////////////////////////////////////////////////////
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// test_actions.cpp
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//
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// Copyright 2004 Eric Niebler. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <map>
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#include <list>
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#include <numeric>
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#include <boost/xpressive/xpressive_static.hpp>
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#include <boost/xpressive/regex_actions.hpp>
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#include <boost/test/unit_test.hpp>
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///////////////////////////////////////////////////////////////////////////////
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// test1
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// simple action which builds a string
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void test1()
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{
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using namespace boost::xpressive;
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std::string result;
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std::string str("foo bar baz foo bar baz");
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sregex rx = (+_w)[ result += _ ] >> *(' ' >> (+_w)[ result += ',' + _ ]);
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if(!regex_match(str, rx))
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{
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BOOST_ERROR("oops");
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}
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else
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{
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BOOST_CHECK_EQUAL(result, "foo,bar,baz,foo,bar,baz");
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// test2
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// test backtracking over actions
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void test2()
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{
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using namespace boost::xpressive;
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std::string result;
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std::string str("foo bar baz foo bar baz");
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sregex rx = (+_w)[ result += _ ] >> *(' ' >> (+_w)[ result += ',' + _ ]) >> repeat<4>(_);
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if(!regex_match(str, rx))
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{
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BOOST_ERROR("oops");
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}
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else
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{
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BOOST_CHECK_EQUAL(result, "foo,bar,baz,foo,bar");
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// test3
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// cast string to int, push back into list
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void test3()
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{
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using namespace boost::xpressive;
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std::list<int> result;
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std::string str("1 23 456 7890");
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sregex rx = (+_d)[ push_back( result, as<int>(_) ) ]
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>> *(' ' >> (+_w)[ push_back( result, as<int>(_) ) ]);
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if(!regex_match(str, rx))
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{
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BOOST_ERROR("oops");
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}
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else
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{
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BOOST_REQUIRE_EQUAL(result.size(), 4);
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BOOST_CHECK_EQUAL(*result.begin(), 1);
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BOOST_CHECK_EQUAL(*++result.begin(), 23);
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BOOST_CHECK_EQUAL(*++++result.begin(), 456);
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BOOST_CHECK_EQUAL(*++++++result.begin(), 7890);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// test4
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// build a map of strings to integers
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void test4()
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{
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using namespace boost::xpressive;
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std::map<std::string, int> result;
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std::string str("aaa=>1 bbb=>23 ccc=>456");
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sregex pair = ( (s1= +_w) >> "=>" >> (s2= +_d) )[ var(result)[s1] = as<int>(s2) ];
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sregex rx = pair >> *(+_s >> pair);
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if(!regex_match(str, rx))
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{
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BOOST_ERROR("oops");
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}
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else
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{
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BOOST_REQUIRE_EQUAL(result.size(), 3);
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BOOST_CHECK_EQUAL(result["aaa"], 1);
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BOOST_CHECK_EQUAL(result["bbb"], 23);
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BOOST_CHECK_EQUAL(result["ccc"], 456);
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}
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}
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using namespace boost::unit_test;
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///////////////////////////////////////////////////////////////////////////////
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// init_unit_test_suite
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//
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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("test_actions");
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test->add(BOOST_TEST_CASE(&test1));
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test->add(BOOST_TEST_CASE(&test2));
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test->add(BOOST_TEST_CASE(&test3));
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test->add(BOOST_TEST_CASE(&test4));
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return test;
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}
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