4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief ClockService unit tests */
26 //#include "ClockService.test.hh"
27 //#include "ClockService.test.ih"
30 #include "ClockService.hh"
33 #include "../Utils/auto_unit_test.hh"
34 #include <boost/test/test_tools.hpp>
37 ///////////////////////////////cc.p////////////////////////////////////////
41 bool is_close_clock(senf::ClockService::clock_type a, senf::ClockService::clock_type b,
42 senf::ClockService::clock_type delta)
44 return (a<b ? b-a : a-b ) < delta;
47 void delay(unsigned long milliseconds)
50 ts.tv_sec = milliseconds / 1000;
51 ts.tv_nsec = (milliseconds % 1000) * 1000000;
52 while (nanosleep(&ts,&ts) < 0 && errno == EINTR) ;
57 BOOST_AUTO_UNIT_TEST(clockService)
59 senf::ClockService::restart(); // So we know, when the signal will be delivered
61 senf::ClockService::clock_type t1 (senf::ClockService::now());
63 senf::ClockService::clock_type t2 (senf::ClockService::now());
64 BOOST_CHECK_PREDICATE( is_close_clock,
65 (t1 + senf::ClockService::milliseconds(200))
67 (senf::ClockService::milliseconds(100)) );
71 // Wait for SIGALRM and let the signal handler do the clock-skew detection
74 t2 = senf::ClockService::now();
75 BOOST_CHECK_PREDICATE( is_close_clock,
76 (t1 + senf::ClockService::seconds(1))
78 (senf::ClockService::milliseconds(500)) );
83 BOOST_CHECK_PREDICATE( is_close_clock,
84 (t1 + senf::ClockService::milliseconds(200))
85 (senf::ClockService::now())
86 (senf::ClockService::milliseconds(100)) );
88 // The next check validates that the clock service itimer/heartbeat_ is correctly reset after a
89 // clock-skew is detected
91 BOOST_CHECK_PREDICATE( is_close_clock,
92 (t1 + senf::ClockService::milliseconds(200))
93 (senf::ClockService::now())
94 (senf::ClockService::milliseconds(100)) );
97 ///////////////////////////////cc.e////////////////////////////////////////
104 // comment-column: 40
105 // c-file-style: "senf"
106 // indent-tabs-mode: nil
107 // ispell-local-dictionary: "american"
108 // compile-command: "scons -u test"