1 /*
2  * Copyright (C) 2012 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
27  */
28 
29 #include "cxxtools/unit/testsuite.h"
30 #include "cxxtools/unit/registertest.h"
31 #include "cxxtools/log.h"
32 #include "cxxtools/clock.h"
33 #include "cxxtools/timespan.h"
34 #include "cxxtools/thread.h"
35 
36 log_define("cxxtools.test.clock")
37 
38 class ClockTest : public cxxtools::unit::TestSuite
39 {
40     public:
ClockTest()41         ClockTest()
42             : cxxtools::unit::TestSuite("clock")
43         {
44             registerMethod("testClock", *this, &ClockTest::testClock);
45             // test for one second commented out since sleeping one second would slow down unit testing
46             //registerMethod("testClockS", *this, &ClockTest::testClockS);
47         }
48 
testClock()49         void testClock()
50         {
51             cxxtools::Clock cl;
52             cl.start();
53             cxxtools::Thread::sleep(1);
54             cxxtools::Timespan t = cl.stop();
55             log_debug("timespan=" << t.totalMSecs() << "ms");
56             CXXTOOLS_UNIT_ASSERT(t.totalMSecs() >= 1);
57             // lets assume, that the test is below 1 second since the sleep is just one millisecond
58             // without that test we wouldn't detect overflows in the implementation
59             CXXTOOLS_UNIT_ASSERT(t.totalMSecs() < 1000);
60         }
61 
testClockS()62         void testClockS()
63         {
64             cxxtools::Clock cl;
65             cl.start();
66             cxxtools::Thread::sleep(1001);
67             cxxtools::Timespan t = cl.stop();
68             log_debug("timespan=" << t.totalMSecs() << "ms");
69             CXXTOOLS_UNIT_ASSERT(t.totalMSecs() > 1000);
70             CXXTOOLS_UNIT_ASSERT(t.totalMSecs() < 2000);
71         }
72 
73 };
74 
75 cxxtools::unit::RegisterTest<ClockTest> register_ClockTest;
76