| /*============================================================================= |
| Copyright (c) 2001-2013 Joel de Guzman |
| |
| Distributed under 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) |
| =============================================================================*/ |
| #include <boost/detail/lightweight_test.hpp> |
| #include <boost/spirit/home/x3.hpp> |
| |
| #include <iostream> |
| #include "test.hpp" |
| |
| int |
| main() |
| { |
| using spirit_test::test; |
| using boost::spirit::x3::eps; |
| using boost::spirit::x3::unused_type; |
| |
| { |
| BOOST_TEST((test("", eps))); |
| BOOST_TEST((test("xxx", eps, false))); |
| //~ BOOST_TEST((!test("", !eps))); // not predicate $$$ Implement me! $$$ |
| } |
| |
| { // test non-lazy semantic predicate |
| |
| BOOST_TEST((test("", eps(true)))); |
| BOOST_TEST((!test("", eps(false)))); |
| BOOST_TEST((test("", !eps(false)))); |
| } |
| |
| { // test lazy semantic predicate |
| |
| auto true_ = [](unused_type) { return true; }; |
| auto false_ = [](unused_type) { return false; }; |
| |
| BOOST_TEST((test("", eps(true_)))); |
| BOOST_TEST((!test("", eps(false_)))); |
| BOOST_TEST((test("", !eps(false_)))); |
| } |
| |
| //~ { // test lazy semantic predicate |
| |
| //~ using boost::phoenix::val; |
| |
| //~ BOOST_TEST((test("", eps(val(true))))); |
| //~ BOOST_TEST((!test("", eps(val(false))))); |
| //~ BOOST_TEST((test("", !eps(val(false))))); // not predicate |
| //~ } |
| |
| return boost::report_errors(); |
| } |