[ceph.git] / ceph / src / boost / libs / signals / test / deletion_test.cpp

// Boost.Signals library

// Copyright Douglas Gregor 2001-2003. Use, modification and
// distribution is subject to 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)

// For more information, see http://www.boost.org

#include <boost/test/minimal.hpp>
#include <boost/signal.hpp>
#include <iostream>
#include <string>

static boost::BOOST_SIGNALS_NAMESPACE::connection connections[5];

static std::string test_output;

struct remove_connection {
  explicit remove_connection(int v = 0, int i = -1) : value(v), idx(i) {}

  void operator()() const {
    if (idx >= 0)
      connections[idx].disconnect();

    //return value;
    std::cout << value << " ";

    test_output += static_cast<char>(value + '0');
  }

  int value;
  int idx;
};

bool operator==(const remove_connection& x, const remove_connection& y)
{ return x.value == y.value && x.idx == y.idx; }

static void
test_remove_self()
{
  boost::signal0<void> s0;

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2, 2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "Deleting 2" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "013");

  s0.disconnect_all_slots();
  BOOST_CHECK(s0.empty());

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3, 3));

  std::cout << "Deleting 3" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "012");

  s0.disconnect_all_slots();
  BOOST_CHECK(s0.num_slots() == 0);

  connections[0] = s0.connect(remove_connection(0, 0));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "Deleting 0" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "123");

  std::cout << "Blocking 2" << std::endl;

  connections[2].block();
  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "13");

  std::cout << "Unblocking 2" << std::endl;

  connections[2].unblock();
  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "123");

  s0.disconnect_all_slots();
  BOOST_CHECK(s0.empty());

  connections[0] = s0.connect(remove_connection(0, 0));
  connections[1] = s0.connect(remove_connection(1, 1));
  connections[2] = s0.connect(remove_connection(2, 2));
  connections[3] = s0.connect(remove_connection(3, 3));

  std::cout << "Mass suicide" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "");
}

static void
test_remove_prior()
{
  boost::signal0<void> s0;

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1, 0));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "1 removes 0" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "123");

  s0.disconnect_all_slots();
  BOOST_CHECK(s0.empty());

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3, 2));

  std::cout << "3 removes 2" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "013");
}

static void
test_remove_after()
{
  boost::signal0<void> s0;

  connections[0] = s0.connect(remove_connection(0, 1));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "0 removes 1" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "023");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "023");

  s0.disconnect_all_slots();
  BOOST_CHECK(s0.empty());

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1, 3));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "1 removes 3" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "012");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "012");
}

static void
test_bloodbath()
{
  boost::signal0<void> s0;

  connections[0] = s0.connect(remove_connection(0, 1));
  connections[1] = s0.connect(remove_connection(1, 1));
  connections[2] = s0.connect(remove_connection(2, 0));
  connections[3] = s0.connect(remove_connection(3, 2));

  std::cout << "0 removes 1, 2 removes 0, 3 removes 2" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "023");

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "3");
}

static void
test_disconnect_equal()
{
  boost::signal0<void> s0;

  connections[0] = s0.connect(remove_connection(0));
  connections[1] = s0.connect(remove_connection(1));
  connections[2] = s0.connect(remove_connection(2));
  connections[3] = s0.connect(remove_connection(3));

  std::cout << "Deleting 2" << std::endl;

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "0123");

#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
  connections[2].disconnect();
#else
  s0.disconnect(remove_connection(2));
#endif

  test_output = "";
  s0(); std::cout << std::endl;
  BOOST_CHECK(test_output == "013");
}

int test_main(int, char* [])
{
  test_remove_self();
  test_remove_prior();
  test_remove_after();
  test_bloodbath();
  test_disconnect_equal();
  return 0;
}
Commit	Line	Data
7c673cae FG	1	// Boost.Signals library
	2
	3	// Copyright Douglas Gregor 2001-2003. Use, modification and
	4	// distribution is subject to the Boost Software License, Version
	5	// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
	6	// http://www.boost.org/LICENSE_1_0.txt)
	7
	8	// For more information, see http://www.boost.org
	9
	10	#include <boost/test/minimal.hpp>
	11	#include <boost/signal.hpp>
	12	#include <iostream>
	13	#include <string>
	14
	15	static boost::BOOST_SIGNALS_NAMESPACE::connection connections[5];
	16
	17	static std::string test_output;
	18
	19	struct remove_connection {
	20	explicit remove_connection(int v = 0, int i = -1) : value(v), idx(i) {}
	21
	22	void operator()() const {
	23	if (idx >= 0)
	24	connections[idx].disconnect();
	25
	26	//return value;
	27	std::cout << value << " ";
	28
	29	test_output += static_cast<char>(value + '0');
	30	}
	31
	32	int value;
	33	int idx;
	34	};
	35
	36	bool operator==(const remove_connection& x, const remove_connection& y)
	37	{ return x.value == y.value && x.idx == y.idx; }
	38
	39	static void
	40	test_remove_self()
	41	{
	42	boost::signal0<void> s0;
	43
	44	connections[0] = s0.connect(remove_connection(0));
	45	connections[1] = s0.connect(remove_connection(1));
	46	connections[2] = s0.connect(remove_connection(2, 2));
	47	connections[3] = s0.connect(remove_connection(3));
	48
	49	std::cout << "Deleting 2" << std::endl;
	50
	51	test_output = "";
	52	s0(); std::cout << std::endl;
	53	BOOST_CHECK(test_output == "0123");
	54
	55	test_output = "";
	56	s0(); std::cout << std::endl;
	57	BOOST_CHECK(test_output == "013");
	58
	59	s0.disconnect_all_slots();
	60	BOOST_CHECK(s0.empty());
	61
	62	connections[0] = s0.connect(remove_connection(0));
	63	connections[1] = s0.connect(remove_connection(1));
	64	connections[2] = s0.connect(remove_connection(2));
65	connections[3] = s0.connect(remove_connection(3, 3));
66
67	std::cout << "Deleting 3" << std::endl;
68
69	test_output = "";
70	s0(); std::cout << std::endl;
71	BOOST_CHECK(test_output == "0123");
72
73	test_output = "";
74	s0(); std::cout << std::endl;
75	BOOST_CHECK(test_output == "012");
76
77	s0.disconnect_all_slots();
78	BOOST_CHECK(s0.num_slots() == 0);
79
80	connections[0] = s0.connect(remove_connection(0, 0));
81	connections[1] = s0.connect(remove_connection(1));
82	connections[2] = s0.connect(remove_connection(2));
83	connections[3] = s0.connect(remove_connection(3));
84
85	std::cout << "Deleting 0" << std::endl;
86
87	test_output = "";
88	s0(); std::cout << std::endl;
89	BOOST_CHECK(test_output == "0123");
90
91	test_output = "";
92	s0(); std::cout << std::endl;
93	BOOST_CHECK(test_output == "123");
94
95	std::cout << "Blocking 2" << std::endl;
96
97	connections[2].block();
98	test_output = "";
99	s0(); std::cout << std::endl;
100	BOOST_CHECK(test_output == "13");
101
102	std::cout << "Unblocking 2" << std::endl;
103
104	connections[2].unblock();
105	test_output = "";
106	s0(); std::cout << std::endl;
107	BOOST_CHECK(test_output == "123");
108
109	s0.disconnect_all_slots();
110	BOOST_CHECK(s0.empty());
111
112	connections[0] = s0.connect(remove_connection(0, 0));
113	connections[1] = s0.connect(remove_connection(1, 1));
114	connections[2] = s0.connect(remove_connection(2, 2));
115	connections[3] = s0.connect(remove_connection(3, 3));
116
117	std::cout << "Mass suicide" << std::endl;
118
119	test_output = "";
120	s0(); std::cout << std::endl;
121	BOOST_CHECK(test_output == "0123");
122
123	test_output = "";
124	s0(); std::cout << std::endl;
125	BOOST_CHECK(test_output == "");
126	}
127
128	static void
129	test_remove_prior()
130	{
131	boost::signal0<void> s0;
132
133	connections[0] = s0.connect(remove_connection(0));
134	connections[1] = s0.connect(remove_connection(1, 0));
135	connections[2] = s0.connect(remove_connection(2));
136	connections[3] = s0.connect(remove_connection(3));
137
138	std::cout << "1 removes 0" << std::endl;
139
140	test_output = "";
141	s0(); std::cout << std::endl;
142	BOOST_CHECK(test_output == "0123");
143
144	test_output = "";
145	s0(); std::cout << std::endl;
146	BOOST_CHECK(test_output == "123");
147
148	s0.disconnect_all_slots();
149	BOOST_CHECK(s0.empty());
150
151	connections[0] = s0.connect(remove_connection(0));
152	connections[1] = s0.connect(remove_connection(1));
153	connections[2] = s0.connect(remove_connection(2));
154	connections[3] = s0.connect(remove_connection(3, 2));
155
156	std::cout << "3 removes 2" << std::endl;
157
158	test_output = "";
159	s0(); std::cout << std::endl;
160	BOOST_CHECK(test_output == "0123");
161
162	test_output = "";
163	s0(); std::cout << std::endl;
164	BOOST_CHECK(test_output == "013");
165	}
166
167	static void
168	test_remove_after()
169	{
170	boost::signal0<void> s0;
171
172	connections[0] = s0.connect(remove_connection(0, 1));
173	connections[1] = s0.connect(remove_connection(1));
174	connections[2] = s0.connect(remove_connection(2));
175	connections[3] = s0.connect(remove_connection(3));
176
177	std::cout << "0 removes 1" << std::endl;
178
179	test_output = "";
180	s0(); std::cout << std::endl;
181	BOOST_CHECK(test_output == "023");
182
183	test_output = "";
184	s0(); std::cout << std::endl;
185	BOOST_CHECK(test_output == "023");
186
187	s0.disconnect_all_slots();
188	BOOST_CHECK(s0.empty());
189
190	connections[0] = s0.connect(remove_connection(0));
191	connections[1] = s0.connect(remove_connection(1, 3));
192	connections[2] = s0.connect(remove_connection(2));
193	connections[3] = s0.connect(remove_connection(3));
194
195	std::cout << "1 removes 3" << std::endl;
196
197	test_output = "";
198	s0(); std::cout << std::endl;
199	BOOST_CHECK(test_output == "012");
200
201	test_output = "";
202	s0(); std::cout << std::endl;
203	BOOST_CHECK(test_output == "012");
204	}
205
206	static void
207	test_bloodbath()
208	{
209	boost::signal0<void> s0;
210
211	connections[0] = s0.connect(remove_connection(0, 1));
212	connections[1] = s0.connect(remove_connection(1, 1));
213	connections[2] = s0.connect(remove_connection(2, 0));
214	connections[3] = s0.connect(remove_connection(3, 2));
215
216	std::cout << "0 removes 1, 2 removes 0, 3 removes 2" << std::endl;
217
218	test_output = "";
219	s0(); std::cout << std::endl;
220	BOOST_CHECK(test_output == "023");
221
222	test_output = "";
223	s0(); std::cout << std::endl;
224	BOOST_CHECK(test_output == "3");
225	}
226
227	static void
228	test_disconnect_equal()
229	{
230	boost::signal0<void> s0;
231
232	connections[0] = s0.connect(remove_connection(0));
233	connections[1] = s0.connect(remove_connection(1));
234	connections[2] = s0.connect(remove_connection(2));
235	connections[3] = s0.connect(remove_connection(3));
236
237	std::cout << "Deleting 2" << std::endl;
238
239	test_output = "";
240	s0(); std::cout << std::endl;
241	BOOST_CHECK(test_output == "0123");
242
243	#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
244	connections[2].disconnect();
245	#else
246	s0.disconnect(remove_connection(2));
247	#endif
248
249	test_output = "";
250	s0(); std::cout << std::endl;
251	BOOST_CHECK(test_output == "013");
252	}
253
254	int test_main(int, char* [])
255	{
256	test_remove_self();
257	test_remove_prior();
258	test_remove_after();
259	test_bloodbath();
260	test_disconnect_equal();
261	return 0;
262	}