A Discrete-Event Network Simulator
API
lollipop-counter-test.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2020 Universita' di Firenze, Italy
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: Tommaso Pecorella <tommaso.pecorella@unifi.it>
19 */
20
21#include "ns3/test.h"
22
23#include "ns3/lollipop-counter.h"
24
25#include <string>
26#include <limits>
27
28using namespace ns3;
29
36class LollipopCounterTest : public TestCase
37{
38
39public:
40 virtual void DoRun (void);
41 LollipopCounterTest ();
42
43};
44
45LollipopCounterTest::LollipopCounterTest ()
46 : TestCase ("Lollipop Counter implementation")
47{
48}
49
50void
51LollipopCounterTest::DoRun (void)
52{
53
54 LollipopCounter<uint8_t> counter8a;
55 LollipopCounter<uint8_t> counter8b;
56
57 bool greater;
58 bool lesser;
59 bool equal;
60 bool isComparable;
61
62
63 // tests with uint8_t
64 counter8a = 240;
65 counter8b = 5;
66
67 greater = counter8a > counter8b;
68 lesser = counter8a < counter8b;
69 equal = counter8a == counter8b;
70 isComparable = counter8a.IsComparable (counter8b);
71
72 NS_TEST_EXPECT_MSG_EQ (greater, true, "240 is greater than 5");
73 NS_TEST_EXPECT_MSG_EQ (lesser, false, "240 is not lesser than 5");
74 NS_TEST_EXPECT_MSG_EQ (equal, false, "240 is not equal to 5");
75 NS_TEST_EXPECT_MSG_EQ (isComparable, true, "240 is comparable with 5");
76
77 counter8a = 250;
78 counter8b = 5;
79
80 greater = counter8a > counter8b;
81 lesser = counter8a < counter8b;
82 equal = counter8a == counter8b;
83 isComparable = counter8a.IsComparable (counter8b);
84
85 NS_TEST_EXPECT_MSG_EQ (greater, false, "250 is not greater than 5");
86 NS_TEST_EXPECT_MSG_EQ (lesser, true, "250 is lesser than 5");
87 NS_TEST_EXPECT_MSG_EQ (equal, false, "250 is not equal to 5");
88 NS_TEST_EXPECT_MSG_EQ (isComparable, true, "250 is comparable with 5");
89
90 counter8a = 127;
91 counter8b = 1;
92
93 greater = counter8a > counter8b;
94 lesser = counter8a < counter8b;
95 equal = counter8a == counter8b;
96 isComparable = counter8a.IsComparable (counter8b);
97
98 NS_TEST_EXPECT_MSG_EQ (greater, false, "127 is not greater than 1");
99 NS_TEST_EXPECT_MSG_EQ (lesser, true, "127 is lesser than 1");
100 NS_TEST_EXPECT_MSG_EQ (equal, false, "127 is not equal to 1");
101 NS_TEST_EXPECT_MSG_EQ (isComparable, true, "127 is comparable with 1");
102
103 counter8a = 127;
104 counter8b = 115;
105
106 greater = counter8a > counter8b;
107 lesser = counter8a < counter8b;
108 equal = counter8a == counter8b;
109 isComparable = counter8a.IsComparable (counter8b);
110
111 NS_TEST_EXPECT_MSG_EQ (greater, true, "127 is greater than 115");
112 NS_TEST_EXPECT_MSG_EQ (lesser, false, "127 is not lesser than 115");
113 NS_TEST_EXPECT_MSG_EQ (equal, false, "127 is not equal to 115");
114 NS_TEST_EXPECT_MSG_EQ (isComparable, true, "127 is comparable with 115");
115
116 counter8a = 127;
117 counter8b = 100;
118
119 greater = counter8a > counter8b;
120 lesser = counter8a < counter8b;
121 equal = counter8a == counter8b;
122 isComparable = counter8a.IsComparable (counter8b);
123
124 NS_TEST_EXPECT_MSG_EQ (greater, false, "127 is not greater than 100");
125 NS_TEST_EXPECT_MSG_EQ (lesser, false, "127 is not lesser than 100");
126 NS_TEST_EXPECT_MSG_EQ (equal, false, "127 is not equal to 100");
127 NS_TEST_EXPECT_MSG_EQ (isComparable, false, "127 is not comparable with 100");
128
129 counter8a = 12;
130 counter8b = 233;
131
132 greater = counter8a > counter8b;
133 lesser = counter8a < counter8b;
134 equal = counter8a == counter8b;
135 isComparable = counter8a.IsComparable (counter8b);
136
137 NS_TEST_EXPECT_MSG_EQ (greater, false, "12 is not greater than 233");
138 NS_TEST_EXPECT_MSG_EQ (lesser, true, "12 is lesser than 233");
139 NS_TEST_EXPECT_MSG_EQ (equal, false, "12 is not equal to 233");
140 NS_TEST_EXPECT_MSG_EQ (isComparable, true, "12 is comparable with 233");
141
142 counter8a = 255;
143 counter8b = counter8a++;
144 NS_TEST_EXPECT_MSG_EQ ((255 == counter8b), true, "Correct interpretation of postfix operator");
145 NS_TEST_EXPECT_MSG_EQ ((0 == counter8a), true, "Correct interpretation of postfix operator");
146
147 counter8a = 255;
148 counter8b = ++counter8a;
149 NS_TEST_EXPECT_MSG_EQ ((0 == counter8b), true, "Correct interpretation of prefix operator");
150 NS_TEST_EXPECT_MSG_EQ ((0 == counter8a), true, "Correct interpretation of prefix operator");
151
152}
153
154
161class LolipopCounterTestSuite : public TestSuite
162{
163public:
164 LolipopCounterTestSuite ();
165private:
166};
167
168LolipopCounterTestSuite::LolipopCounterTestSuite ()
169 : TestSuite ("lollipop-counter", UNIT)
170{
171 AddTestCase (new LollipopCounterTest (), TestCase::QUICK);
172}
173
174static LolipopCounterTestSuite g_lollipopCounterTestSuite;
LolipopCounterTestSuite
Lollipop Counter TestSuite.
Definition: lollipop-counter-test.cc:162
LollipopCounterTest
Lollipop Counter Test.
Definition: lollipop-counter-test.cc:37
LollipopCounterTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lollipop-counter-test.cc:51
ns3::LollipopCounter
Template class implementing a Lollipop counter as defined in RFC 8505, RFC 6550, and [Perlman83].
Definition: lollipop-counter.h:64
ns3::LollipopCounter::IsComparable
bool IsComparable(const LollipopCounter &val) const
Checks if the counter is comparable with another counter (i.e., not desynchronized).
Definition: lollipop-counter.h:152
ns3::TestCase
encapsulates test code
Definition: test.h:994
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1188
NS_TEST_EXPECT_MSG_EQ
#define NS_TEST_EXPECT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report if not.
Definition: test.h:240
g_lollipopCounterTestSuite
static LolipopCounterTestSuite g_lollipopCounterTestSuite
Static variable for test initialization.
Definition: lollipop-counter-test.cc:174
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.