1 /* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 CTTC
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17  *
18  * Author: Luis Pacheco <luisbelem@gmail.com>
19  */
20 #include <ns3/core-module.h>
21 #include <ns3/test.h>
22 #include <ns3/spectrum-module.h>
23 
24 
25 NS_LOG_COMPONENT_DEFINE ("WaveformGeneratorTest");
26 
27 using namespace ns3;
28 
29 
30 
31 class WaveformGeneratorTestCase : public TestCase
32 {
33 public:
34   WaveformGeneratorTestCase (double period, double dutyCycle, double stop);
35   virtual ~WaveformGeneratorTestCase ();
36 
37 private:
38   virtual void DoRun (void);
39 
40   void    TraceWave (Ptr<const Packet> newPkt);
41   double  m_period;
42   double  m_dutyCycle;
43   double  m_stop;
44   int     m_fails;
45 };
46 
47 void
TraceWave(Ptr<const Packet> newPkt)48 WaveformGeneratorTestCase::TraceWave (Ptr<const Packet> newPkt)
49 {
50   if (Now ().GetSeconds () > m_stop)
51     {
52       m_fails++;
53     }
54 }
55 
WaveformGeneratorTestCase(double period,double dutyCycle,double stop)56 WaveformGeneratorTestCase::WaveformGeneratorTestCase (double period, double dutyCycle, double stop)
57   : TestCase ("Check stop method"),
58   m_period (period),
59   m_dutyCycle (dutyCycle),
60   m_stop (stop),
61   m_fails (0)
62 {
63 }
64 
~WaveformGeneratorTestCase()65 WaveformGeneratorTestCase::~WaveformGeneratorTestCase ()
66 {
67 }
68 
69 
70 void
DoRun(void)71 WaveformGeneratorTestCase::DoRun (void)
72 {
73   Ptr<SpectrumValue> txPsd = MicrowaveOvenSpectrumValueHelper::CreatePowerSpectralDensityMwo1 ();
74 
75   SpectrumChannelHelper channelHelper = SpectrumChannelHelper::Default ();
76   channelHelper.SetChannel ("ns3::SingleModelSpectrumChannel");
77   Ptr<SpectrumChannel> channel = channelHelper.Create ();
78 
79   Ptr<Node> n = CreateObject<Node> ();
80 
81   WaveformGeneratorHelper waveformGeneratorHelper;
82   waveformGeneratorHelper.SetTxPowerSpectralDensity (txPsd);
83   waveformGeneratorHelper.SetChannel (channel);
84   waveformGeneratorHelper.SetPhyAttribute ("Period", TimeValue (Seconds (m_period)));
85   waveformGeneratorHelper.SetPhyAttribute ("DutyCycle", DoubleValue (m_dutyCycle));
86   NetDeviceContainer waveformGeneratorDevices = waveformGeneratorHelper.Install (n);
87 
88   Ptr<WaveformGenerator> wave = waveformGeneratorDevices.Get (0)->GetObject<NonCommunicatingNetDevice> ()->GetPhy ()->GetObject<WaveformGenerator> ();
89 
90   wave->TraceConnectWithoutContext ("TxStart", MakeCallback (&WaveformGeneratorTestCase::TraceWave,this));
91 
92   Simulator::Schedule (Seconds (1.0), &WaveformGenerator::Start, wave);
93   Simulator::Schedule (Seconds (m_stop), &WaveformGenerator::Stop, wave);
94 
95   Simulator::Stop (Seconds (3.0));
96   Simulator::Run ();
97 
98   NS_TEST_ASSERT_MSG_EQ (m_fails, 0, "Wave started after the stop method was called");
99 
100   Simulator::Destroy ();
101 }
102 
103 
104 class WaveformGeneratorTestSuite : public TestSuite
105 {
106 public:
107   WaveformGeneratorTestSuite ();
108 };
109 
WaveformGeneratorTestSuite()110 WaveformGeneratorTestSuite::WaveformGeneratorTestSuite ()
111   : TestSuite ("waveform-generator", SYSTEM)
112 {
113   NS_LOG_INFO ("creating WaveformGeneratorTestSuite");
114 
115   // Stop while wave is active
116   AddTestCase (new WaveformGeneratorTestCase (1.0, 0.5, 1.2), TestCase::QUICK);
117   // Stop after wave
118   AddTestCase (new WaveformGeneratorTestCase (1.0, 0.5, 1.7), TestCase::QUICK);
119 }
120 
121 static WaveformGeneratorTestSuite g_waveformGeneratorTestSuite;
122