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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 ();
31 private:
32  virtual void DoSetup (void);
33  virtual void DoRun (void);
34  virtual void DoTeardown (void);
35 };
36 
37 TimeSimpleTestCase::TimeSimpleTestCase ()
38  : TestCase ("Sanity check of common time operations")
39 {
40 }
41 
42 void
43 TimeSimpleTestCase::DoSetup (void)
44 {
45 }
46 
47 void
48 TimeSimpleTestCase::DoRun (void)
49 {
50  NS_TEST_ASSERT_MSG_EQ_TOL (Seconds (1.0).GetSeconds (), 1.0, TimeStep (1).GetSeconds (),
51  "is 1 really 1 ?");
52  NS_TEST_ASSERT_MSG_EQ_TOL (Seconds (10.0).GetSeconds (), 10.0, TimeStep (1).GetSeconds (),
53  "is 10 really 10 ?");
54  NS_TEST_ASSERT_MSG_EQ (MilliSeconds (1).GetMilliSeconds (), 1,
55  "is 1ms really 1ms ?");
56  NS_TEST_ASSERT_MSG_EQ (MicroSeconds (1).GetMicroSeconds (), 1,
57  "is 1us really 1us ?");
58 #if 0
59  Time ns = NanoSeconds (1);
60  ns.GetNanoSeconds ();
61  NS_TEST_ASSERT_MSG_EQ (NanoSeconds (1).GetNanoSeconds (), 1,
62  "is 1ns really 1ns ?");
63  NS_TEST_ASSERT_MSG_EQ (PicoSeconds (1).GetPicoSeconds (), 1,
64  "is 1ps really 1ps ?");
65  NS_TEST_ASSERT_MSG_EQ (FemtoSeconds (1).GetFemtoSeconds (), 1,
66  "is 1fs really 1fs ?");
67 #endif
68 
69  Time ten = NanoSeconds (10);
70  int64_t tenValue = ten.GetInteger ();
71  Time::SetResolution (Time::PS);
72  int64_t tenKValue = ten.GetInteger ();
73  NS_TEST_ASSERT_MSG_EQ (tenValue * 1000, tenKValue,
74  "change resolution to PS");
75 }
76 
77 void
78 TimeSimpleTestCase::DoTeardown (void)
79 {
80 }
81 
82 class TimesWithSignsTestCase : public TestCase
83 {
84 public:
85  TimesWithSignsTestCase ();
86 private:
87  virtual void DoSetup (void);
88  virtual void DoRun (void);
89  virtual void DoTeardown (void);
90 };
91 
92 TimesWithSignsTestCase::TimesWithSignsTestCase ()
93  : TestCase ("Checks times that have plus or minus signs")
94 {
95 }
96 
97 void
98 TimesWithSignsTestCase::DoSetup (void)
99 {
100 }
101 
102 void
103 TimesWithSignsTestCase::DoRun (void)
104 {
105  Time timePositive ("+1000.0");
106  Time timePositiveWithUnits ("+1000.0ms");
107 
108  Time timeNegative ("-1000.0");
109  Time timeNegativeWithUnits ("-1000.0ms");
110 
111  NS_TEST_ASSERT_MSG_EQ_TOL (timePositive.GetSeconds (),
112  +1000.0,
113  1.0e-8,
114  "Positive time not parsed correctly.");
115 
116  NS_TEST_ASSERT_MSG_EQ_TOL (timePositiveWithUnits.GetSeconds (),
117  +1.0,
118  1.0e-8,
119  "Positive time with units not parsed correctly.");
120 
121  NS_TEST_ASSERT_MSG_EQ_TOL (timeNegative.GetSeconds (),
122  -1000.0,
123  1.0e-8,
124  "Negative time not parsed correctly.");
125 
126  NS_TEST_ASSERT_MSG_EQ_TOL (timeNegativeWithUnits.GetSeconds (),
127  -1.0,
128  1.0e-8,
129  "Negative time with units not parsed correctly.");
130 }
131 
132 void
133 TimesWithSignsTestCase::DoTeardown (void)
134 {
135 }
136 
137 static class TimeTestSuite : public TestSuite
138 {
139 public:
140  TimeTestSuite ()
141  : TestSuite ("time", UNIT)
142  {
143  AddTestCase (new TimeSimpleTestCase (), TestCase::QUICK);
144  AddTestCase (new TimesWithSignsTestCase (), TestCase::QUICK);
145  }
146 } g_timeTestSuite;