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Diffstat (limited to 'src/boost/libs/fusion/test/algorithm/none.cpp')
-rw-r--r-- | src/boost/libs/fusion/test/algorithm/none.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/boost/libs/fusion/test/algorithm/none.cpp b/src/boost/libs/fusion/test/algorithm/none.cpp new file mode 100644 index 000000000..83dfa7528 --- /dev/null +++ b/src/boost/libs/fusion/test/algorithm/none.cpp @@ -0,0 +1,58 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + Copyright (c) 2007 Dan Marsden + + 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/fusion/container/vector/vector.hpp> +#include <boost/fusion/adapted/mpl.hpp> +#include <boost/fusion/algorithm/query/none.hpp> +#include <boost/lambda/lambda.hpp> +#include <boost/mpl/vector_c.hpp> + +namespace +{ + struct search_for + { + explicit search_for(int in_search) + : search(in_search) + {} + + template<typename T> + bool operator()(T const& v) const + { + return v == search; + } + + int search; + }; +} + +int +main() +{ + { + boost::fusion::vector<int, short, double> t(1, 2, 3.3); + BOOST_TEST((boost::fusion::none(t, boost::lambda::_1 > 4))); + BOOST_TEST((boost::fusion::none(t, boost::lambda::_1 < 0))); + } + + { + boost::fusion::vector<int, short, double> t(1, 2, 3.3); + BOOST_TEST((!boost::fusion::none(t, boost::lambda::_1 == 1))); + BOOST_TEST((!boost::fusion::none(t, boost::lambda::_1 < 3))); + } + + { + typedef boost::mpl::vector_c<int, 1, 2, 3> mpl_vec; + // We cannot use lambda here as mpl vec iterators return + // rvalues, and lambda needs lvalues. + BOOST_TEST(boost::fusion::none(mpl_vec(), search_for(4))); + BOOST_TEST(!boost::fusion::none(mpl_vec(), search_for(3))); + } + + return boost::report_errors(); +} + |