113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
// Boost.Signals2 library
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// Copyright Douglas Gregor 2001-2003.
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// Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// For more information, see http://www.boost.org
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#include <boost/test/minimal.hpp>
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#include <boost/array.hpp>
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#include <boost/signals2/shared_connection_block.hpp>
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#include <boost/signals2/signal.hpp>
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#include <iostream>
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#include <sstream>
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#include <string>
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static boost::array<boost::signals2::connection, 4> connections;
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static std::ostringstream test_output;
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struct test_slot {
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explicit test_slot(int v = 0) : value(v)
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{}
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void operator()() const {
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test_output << value;
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}
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int value;
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};
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int test_main(int, char* [])
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{
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boost::signals2::signal<void ()> s0;
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for(unsigned i = 0; i < connections.size(); ++i)
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{
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connections.at(i) = s0.connect(test_slot(i));
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}
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{
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// Blocking 2
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boost::signals2::shared_connection_block block(connections.at(2));
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BOOST_CHECK(block.blocking());
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "013");
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}
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// Unblocking 2
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "0123");
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{
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// Blocking 1 through const connection
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const boost::signals2::connection conn = connections.at(1);
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boost::signals2::shared_connection_block block(conn);
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test_output.str("");
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s0();
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std::cout << test_output.str() << std::endl;
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BOOST_CHECK(test_output.str() == "023");
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// Unblocking 1
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block.unblock();
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BOOST_CHECK(block.blocking() == false);
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "0123");
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}
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{
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// initially unblocked
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boost::signals2::shared_connection_block block(connections.at(3), false);
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BOOST_CHECK(block.blocking() == false);
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "0123");
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// block
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block.block();
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "012");
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}
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{
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// test default constructed block
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boost::signals2::shared_connection_block block;
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BOOST_CHECK(block.blocking() == true);
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block.unblock();
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BOOST_CHECK(block.blocking() == false);
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block.block();
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BOOST_CHECK(block.blocking() == true);
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// test assignment
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{
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block.unblock();
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boost::signals2::shared_connection_block block2(connections.at(0));
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BOOST_CHECK(block.connection() != block2.connection());
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BOOST_CHECK(block.blocking() != block2.blocking());
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block = block2;
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BOOST_CHECK(block.connection() == block2.connection());
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BOOST_CHECK(block.blocking() == block2.blocking());
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}
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test_output.str("");
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s0();
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BOOST_CHECK(test_output.str() == "123");
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}
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return 0;
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}
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