A Discrete-Event Network Simulator
API
one-uniform-random-variable-many-get-value-calls-test-suite.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2012 University of Washington
4  *
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18  * Author: Mitch Watrous (watrous@u.washington.edu)
19  */
20 
21 #include "ns3/test.h"
22 #include "ns3/config.h"
23 #include "ns3/double.h"
24 #include "ns3/random-variable-stream.h"
25 #include <vector>
26 
27 using namespace ns3;
28 
29 
30 // ===========================================================================
31 // Test case for one uniform distribution random variable stream generator
32 // ===========================================================================
33 
35 {
36 public:
39 
40 private:
41  virtual void DoRun (void);
42 };
43 
45  : TestCase ("One Uniform Random Variable with Many GetValue() Calls")
46 {
47 }
48 
50 {
51 }
52 
53 void
55 {
56  double min = 0.0;
57  double max = 10.0;
58 
59  Config::SetDefault ("ns3::UniformRandomVariable::Min", DoubleValue (min));
60  Config::SetDefault ("ns3::UniformRandomVariable::Max", DoubleValue (max));
61 
62  Ptr<UniformRandomVariable> uniform = CreateObject<UniformRandomVariable> ();
63 
64  // Get many values from 1 random number generator.
65  double value;
66  int count = 100000000;
67  for (int i = 0; i < count; i++)
68  {
69  value = uniform->GetValue ();
70 
71  NS_TEST_ASSERT_MSG_GT (value, min, "Value less than minimum.");
72  NS_TEST_ASSERT_MSG_LT (value, max, "Value greater than maximum.");
73  }
74 }
75 
77 {
78 public:
80 };
81 
83  : TestSuite ("one-uniform-random-variable-many-get-value-calls", PERFORMANCE)
84 {
86 }
87 
#define min(a, b)
Definition: 80211b.c:44
virtual void DoRun(void)
Implementation to actually run this TestCase.
A suite of tests to run.
Definition: test.h:1333
encapsulates test code
Definition: test.h:1147
#define max(a, b)
Definition: 80211b.c:45
void AddTestCase(TestCase *testCase, enum TestDuration duration)
Add an individual child TestCase to this test suite.
Definition: test.cc:298
Every class exported by the ns3 library is enclosed in the ns3 namespace.
double GetValue(double min, double max)
Get the next random value, as a double in the specified range .
static OneUniformRandomVariableManyGetValueCallsTestSuite oneUniformRandomVariableManyGetValueCallsTestSuite
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:774
#define NS_TEST_ASSERT_MSG_GT(actual, limit, msg)
Test that an actual value is greater than a limit and report and abort if not.
Definition: test.h:990
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Definition: double.h:41
#define NS_TEST_ASSERT_MSG_LT(actual, limit, msg)
Test that an actual value is less than a limit and report and abort if not.
Definition: test.h:804