A Discrete-Event Network Simulator
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histogram-test-suite.cc
Go to the documentation of this file.
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//
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// Copyright (c) 2009 INESC Porto
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//
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// SPDX-License-Identifier: GPL-2.0-only
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//
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// Author: Pedro Fortuna <pedro.fortuna@inescporto.pt> <pedro.fortuna@gmail.com>
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//
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#include "ns3/histogram.h"
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#include "ns3/test.h"
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using namespace
ns3
;
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/**
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* @ingroup stats-tests
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*
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* @brief Histogram Test
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*/
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class
HistogramTestCase
:
public
ns3::TestCase
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{
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private
:
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public
:
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HistogramTestCase
();
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void
DoRun
()
override
;
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};
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HistogramTestCase::HistogramTestCase
()
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:
ns3
::
TestCase
(
"Histogram"
)
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{
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}
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void
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HistogramTestCase::DoRun
()
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{
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Histogram
h0(3.5);
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// Testing floating-point bin widths
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{
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for
(
int
i = 1; i <= 10; i++)
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{
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h0.
AddValue
(3.4);
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}
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for
(
int
i = 1; i <= 5; i++)
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{
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h0.
AddValue
(3.6);
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}
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NS_TEST_EXPECT_MSG_EQ_TOL
(h0.
GetBinWidth
(0), 3.5, 1e-6,
""
);
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NS_TEST_EXPECT_MSG_EQ
(h0.
GetNBins
(), 2,
""
);
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NS_TEST_EXPECT_MSG_EQ_TOL
(h0.
GetBinStart
(1), 3.5, 1e-6,
""
);
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NS_TEST_EXPECT_MSG_EQ
(h0.
GetBinCount
(0), 10,
""
);
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NS_TEST_EXPECT_MSG_EQ
(h0.
GetBinCount
(1), 5,
""
);
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}
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{
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// Testing bin expansion
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h0.
AddValue
(74.3);
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NS_TEST_EXPECT_MSG_EQ
(h0.
GetNBins
(), 22,
""
);
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NS_TEST_EXPECT_MSG_EQ
(h0.
GetBinCount
(21), 1,
""
);
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}
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}
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/**
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* @ingroup stats-tests
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*
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* @brief Histogram TestSuite
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*/
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class
HistogramTestSuite
:
public
TestSuite
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{
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public
:
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HistogramTestSuite
();
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};
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HistogramTestSuite::HistogramTestSuite
()
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:
TestSuite
(
"histogram"
,
Type
::UNIT)
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{
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AddTestCase
(
new
HistogramTestCase
, TestCase::Duration::QUICK);
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}
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static
HistogramTestSuite
g_HistogramTestSuite
;
//!< Static variable for test initialization
HistogramTestCase
Histogram Test.
Definition
histogram-test-suite.cc:20
HistogramTestCase::HistogramTestCase
HistogramTestCase()
Definition
histogram-test-suite.cc:27
HistogramTestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition
histogram-test-suite.cc:33
HistogramTestSuite
Histogram TestSuite.
Definition
histogram-test-suite.cc:69
HistogramTestSuite::HistogramTestSuite
HistogramTestSuite()
Definition
histogram-test-suite.cc:74
ns3::Histogram
Class used to store data and make an histogram of the data frequency.
Definition
histogram.h:35
ns3::Histogram::GetBinWidth
double GetBinWidth(uint32_t index) const
Returns the bin width.
Definition
histogram.cc:50
ns3::Histogram::GetBinCount
uint32_t GetBinCount(uint32_t index) const
Get the number of data added to the bin.
Definition
histogram.cc:63
ns3::Histogram::GetNBins
uint32_t GetNBins() const
Returns the number of bins in the histogram.
Definition
histogram.cc:32
ns3::Histogram::AddValue
void AddValue(double value)
Add a value to the histogram.
Definition
histogram.cc:70
ns3::Histogram::GetBinStart
double GetBinStart(uint32_t index) const
Returns the bin start, i.e., index*binWidth.
Definition
histogram.cc:38
ns3::TestCase
encapsulates test code
Definition
test.h:1050
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, Duration duration=Duration::QUICK)
Add an individual child TestCase to this test suite.
Definition
test.cc:292
ns3::TestSuite
A suite of tests to run.
Definition
test.h:1267
ns3::TestSuite::Type
Type
Type of test.
Definition
test.h:1274
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:241
NS_TEST_EXPECT_MSG_EQ_TOL
#define NS_TEST_EXPECT_MSG_EQ_TOL(actual, limit, tol, msg)
Test that actual and expected (limit) values are equal to plus or minus some tolerance and report if ...
Definition
test.h:500
g_HistogramTestSuite
static HistogramTestSuite g_HistogramTestSuite
Static variable for test initialization.
Definition
histogram-test-suite.cc:80
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
src
stats
test
histogram-test-suite.cc
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