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Diffstat (limited to 'libs/phoenix/test/scope/lambda_tests1.cpp')
-rw-r--r-- | libs/phoenix/test/scope/lambda_tests1.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/libs/phoenix/test/scope/lambda_tests1.cpp b/libs/phoenix/test/scope/lambda_tests1.cpp new file mode 100644 index 000000000..c9fdde168 --- /dev/null +++ b/libs/phoenix/test/scope/lambda_tests1.cpp @@ -0,0 +1,108 @@ +/*============================================================================= + Copyright (c) 2001-2007 Joel de Guzman + Copyright (c) 2014 John Fletcher + + 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 <iostream> +#include <cmath> +#include <algorithm> +#include <vector> + +#include <typeinfo> + +#include <boost/detail/lightweight_test.hpp> +#include <boost/phoenix/core.hpp> +#include <boost/phoenix/operator.hpp> +#include <boost/phoenix/function.hpp> +//#include <boost/phoenix/bind.hpp> +#include <boost/phoenix/scope.hpp> + +struct zzz {}; + +int +main() +{ + using boost::phoenix::lambda; + using boost::phoenix::let; + using boost::phoenix::ref; + using boost::phoenix::val; + using boost::phoenix::arg_names::_1; + using boost::phoenix::arg_names::_2; + using boost::phoenix::local_names::_a; + using boost::phoenix::local_names::_b; + // using boost::phoenix::placeholders::arg1; + + { + int x = 1; + int y = lambda[_1]()(x); + BOOST_TEST(x == y); + } + + { + int x = 1, y = 10; + BOOST_TEST( + (_1 + lambda[_1 + 2])(x)(y) == 1+10+2 + ); + BOOST_TEST( + (_1 + lambda[-_1])(x)(y) == 1+-10 + ); + } + + { + int x = 1, y = 10, z = 13; + BOOST_TEST( + lambda(_a = _1, _b = _2) + [ + _1 + _a + _b + ] + (x, z)(y) == x + y + z + ); + } + + { + int x = 4; + int y = 5; + lambda(_a = _1)[_a = 555](x)(); + BOOST_TEST(x == 555); + (void)y; + } + + { + int x = 1; + long x2 = 2; + short x3 = 3; + char const* y = "hello"; + zzz z; + + BOOST_TEST(lambda[_1](x)(y) == y); + BOOST_TEST(lambda(_a = _1)[_a](x)(y) == x); + BOOST_TEST(lambda(_a = _1)[lambda[_a]](x)(y)(z) == x); + BOOST_TEST(lambda(_a = _1)[lambda[_a + _1]](x)(y)(x) == 2); + BOOST_TEST(lambda(_a = _1)[lambda(_b = _1)[_a + _b + _1]](x)(x2)(x3) == 6); + } + + { + int x = 1, y = 10; + BOOST_TEST( + (_1 + lambda(_a = _1)[_a + _1 + 2])(x)(y) == 1+1+10+2 + ); + } + + { + int x = 1, y = 10; + BOOST_TEST( + ( + _1 + + lambda(_a = _1) + [ + _a + lambda[_a + 2] + ] + ) + (x)(y)(y) == 1+1+1+2 + ); + } + + return boost::report_errors(); +} |