1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768 |
- ///////////////////////////////////////////////////////////////////////////////
- // display_expr.cpp
- //
- // Copyright 2010 Eric Niebler. 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 <sstream>
- #include <boost/proto/proto.hpp>
- #include <boost/test/unit_test.hpp>
- namespace mpl = boost::mpl;
- namespace proto = boost::proto;
- using proto::_;
- struct A {};
- struct B : A {};
- std::ostream& operator<<( std::ostream& out, const A& ) { return out << "this is A!"; }
- struct C {};
- void test_display_expr()
- {
- // https://svn.boost.org/trac/boost/ticket/4910
- proto::terminal<int>::type i = {0};
- {
- std::stringstream sout;
- proto::display_expr(i + A(), sout);
- BOOST_CHECK_EQUAL(sout.str(), std::string(
- "plus(\n"
- " terminal(0)\n"
- " , terminal(this is A!)\n"
- ")\n"));
- }
- {
- std::stringstream sout;
- proto::display_expr(i + B(), sout);
- BOOST_CHECK_EQUAL(sout.str(), std::string(
- "plus(\n"
- " terminal(0)\n"
- " , terminal(this is A!)\n"
- ")\n"));
- }
- {
- std::stringstream sout;
- char const * Cname = BOOST_CORE_TYPEID(C).name();
- proto::display_expr(i + C(), sout);
- BOOST_CHECK_EQUAL(sout.str(), std::string(
- "plus(\n"
- " terminal(0)\n"
- " , terminal(") + Cname + std::string(")\n"
- ")\n"));
- }
- }
- using namespace boost::unit_test;
- ///////////////////////////////////////////////////////////////////////////////
- // init_unit_test_suite
- //
- test_suite* init_unit_test_suite( int argc, char* argv[] )
- {
- test_suite *test = BOOST_TEST_SUITE("test display_expr() function");
- test->add(BOOST_TEST_CASE(&test_display_expr));
- return test;
- }
|