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time-test-suite.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2005,2006 INRIA
4  * Copyright (c) 2007 Emmanuelle Laprise
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation;
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
20  * TimeStep support by Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
21  */
22 #include "ns3/nstime.h"
23 #include "ns3/test.h"
24 
25 using namespace ns3;
26 
27 class TimeSimpleTestCase : public TestCase
28 {
29 public:
30  TimeSimpleTestCase (enum Time::Unit resolution);
31 private:
32  virtual void DoSetup (void);
33  virtual void DoRun (void);
34  virtual void DoTeardown (void);
35  enum Time::Unit m_originalResolution;
36  enum Time::Unit m_resolution;
37 };
38 
39 TimeSimpleTestCase::TimeSimpleTestCase (enum Time::Unit resolution)
40  : TestCase ("Sanity check of common time operations"),
41  m_resolution (resolution)
42 {
43 }
44 
45 void
46 TimeSimpleTestCase::DoSetup (void)
47 {
48  m_originalResolution = Time::GetResolution ();
49 }
50 
51 void
52 TimeSimpleTestCase::DoRun (void)
53 {
54  Time::SetResolution (m_resolution);
55  NS_TEST_ASSERT_MSG_EQ_TOL (Seconds (1.0).GetSeconds (), 1.0, TimeStep (1).GetSeconds (),
56  "is 1 really 1 ?");
57  NS_TEST_ASSERT_MSG_EQ_TOL (Seconds (10.0).GetSeconds (), 10.0, TimeStep (1).GetSeconds (),
58  "is 10 really 10 ?");
59  NS_TEST_ASSERT_MSG_EQ (MilliSeconds (1).GetMilliSeconds (), 1,
60  "is 1ms really 1ms ?");
61  NS_TEST_ASSERT_MSG_EQ (MicroSeconds (1).GetMicroSeconds (), 1,
62  "is 1us really 1us ?");
63 #if 0
64  Time ns = NanoSeconds (1);
65  ns.GetNanoSeconds ();
66  NS_TEST_ASSERT_MSG_EQ (NanoSeconds (1).GetNanoSeconds (), 1,
67  "is 1ns really 1ns ?");
68  NS_TEST_ASSERT_MSG_EQ (PicoSeconds (1).GetPicoSeconds (), 1,
69  "is 1ps really 1ps ?");
70  NS_TEST_ASSERT_MSG_EQ (FemtoSeconds (1).GetFemtoSeconds (), 1,
71  "is 1fs really 1fs ?");
72 #endif
73 }
74 
75 void
76 TimeSimpleTestCase::DoTeardown (void)
77 {
78  Time::SetResolution (m_originalResolution);
79 }
80 
81 class TimesWithSignsTestCase : public TestCase
82 {
83 public:
84  TimesWithSignsTestCase ();
85 private:
86  virtual void DoSetup (void);
87  virtual void DoRun (void);
88  virtual void DoTeardown (void);
89 };
90 
91 TimesWithSignsTestCase::TimesWithSignsTestCase ()
92  : TestCase ("Checks times that have plus or minus signs")
93 {
94 }
95 
96 void
97 TimesWithSignsTestCase::DoSetup (void)
98 {
99 }
100 
101 void
102 TimesWithSignsTestCase::DoRun (void)
103 {
104  Time timePositive ("+1000.0");
105  Time timePositiveWithUnits ("+1000.0ms");
106 
107  Time timeNegative ("-1000.0");
108  Time timeNegativeWithUnits ("-1000.0ms");
109 
110  NS_TEST_ASSERT_MSG_EQ_TOL (timePositive.GetSeconds (),
111  +1000.0,
112  1.0e-8,
113  "Positive time not parsed correctly.");
114 
115  NS_TEST_ASSERT_MSG_EQ_TOL (timePositiveWithUnits.GetSeconds (),
116  +1.0,
117  1.0e-8,
118  "Positive time with units not parsed correctly.");
119 
120  NS_TEST_ASSERT_MSG_EQ_TOL (timeNegative.GetSeconds (),
121  -1000.0,
122  1.0e-8,
123  "Negative time not parsed correctly.");
124 
125  NS_TEST_ASSERT_MSG_EQ_TOL (timeNegativeWithUnits.GetSeconds (),
126  -1.0,
127  1.0e-8,
128  "Negative time with units not parsed correctly.");
129 }
130 
131 void
132 TimesWithSignsTestCase::DoTeardown (void)
133 {
134 }
135 
136 static class TimeTestSuite : public TestSuite
137 {
138 public:
139  TimeTestSuite ()
140  : TestSuite ("time", UNIT)
141  {
142  AddTestCase (new TimeSimpleTestCase (Time::US));
143  AddTestCase (new TimesWithSignsTestCase ());
144  }
145 } g_timeTestSuite;