mirror of https://gitee.com/bigwinds/arangodb
263 lines
6.5 KiB
C++
263 lines
6.5 KiB
C++
// Boost.Signals library
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// Copyright Douglas Gregor 2001-2003. 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/signal.hpp>
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#include <iostream>
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#include <string>
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static boost::BOOST_SIGNALS_NAMESPACE::connection connections[5];
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static std::string test_output;
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struct remove_connection {
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explicit remove_connection(int v = 0, int i = -1) : value(v), idx(i) {}
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void operator()() const {
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if (idx >= 0)
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connections[idx].disconnect();
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//return value;
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std::cout << value << " ";
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test_output += static_cast<char>(value + '0');
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}
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int value;
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int idx;
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};
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bool operator==(const remove_connection& x, const remove_connection& y)
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{ return x.value == y.value && x.idx == y.idx; }
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static void
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test_remove_self()
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{
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boost::signal0<void> s0;
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2, 2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "Deleting 2" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "013");
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s0.disconnect_all_slots();
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BOOST_CHECK(s0.empty());
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3, 3));
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std::cout << "Deleting 3" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "012");
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s0.disconnect_all_slots();
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BOOST_CHECK(s0.num_slots() == 0);
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connections[0] = s0.connect(remove_connection(0, 0));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "Deleting 0" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "123");
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std::cout << "Blocking 2" << std::endl;
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connections[2].block();
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "13");
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std::cout << "Unblocking 2" << std::endl;
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connections[2].unblock();
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "123");
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s0.disconnect_all_slots();
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BOOST_CHECK(s0.empty());
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connections[0] = s0.connect(remove_connection(0, 0));
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connections[1] = s0.connect(remove_connection(1, 1));
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connections[2] = s0.connect(remove_connection(2, 2));
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connections[3] = s0.connect(remove_connection(3, 3));
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std::cout << "Mass suicide" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "");
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}
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static void
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test_remove_prior()
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{
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boost::signal0<void> s0;
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1, 0));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "1 removes 0" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "123");
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s0.disconnect_all_slots();
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BOOST_CHECK(s0.empty());
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3, 2));
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std::cout << "3 removes 2" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "013");
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}
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static void
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test_remove_after()
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{
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boost::signal0<void> s0;
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connections[0] = s0.connect(remove_connection(0, 1));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "0 removes 1" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "023");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "023");
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s0.disconnect_all_slots();
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BOOST_CHECK(s0.empty());
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1, 3));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "1 removes 3" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "012");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "012");
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}
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static void
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test_bloodbath()
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{
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boost::signal0<void> s0;
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connections[0] = s0.connect(remove_connection(0, 1));
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connections[1] = s0.connect(remove_connection(1, 1));
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connections[2] = s0.connect(remove_connection(2, 0));
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connections[3] = s0.connect(remove_connection(3, 2));
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std::cout << "0 removes 1, 2 removes 0, 3 removes 2" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "023");
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "3");
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}
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static void
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test_disconnect_equal()
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{
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boost::signal0<void> s0;
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connections[0] = s0.connect(remove_connection(0));
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connections[1] = s0.connect(remove_connection(1));
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connections[2] = s0.connect(remove_connection(2));
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connections[3] = s0.connect(remove_connection(3));
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std::cout << "Deleting 2" << std::endl;
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "0123");
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#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
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connections[2].disconnect();
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#else
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s0.disconnect(remove_connection(2));
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#endif
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test_output = "";
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s0(); std::cout << std::endl;
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BOOST_CHECK(test_output == "013");
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}
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int test_main(int, char* [])
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{
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test_remove_self();
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test_remove_prior();
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test_remove_after();
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test_bloodbath();
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test_disconnect_equal();
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return 0;
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}
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