Package org.djutils.profile

Class ProfileTest

java.lang.Object

org.djutils.profile.ProfileTest

public class ProfileTest
extends Object

Test the Profile class.

Constructor Summary

Constructors

Constructor	Description
ProfileTest()

Method Summary

Modifier and Type	Method	Description
long	delay(long nanoSeconds)	Delay for specified number of nano seconds.
void	doCosine(double angle)	Perform a somewhat CPU time intensive function.
void	doSine(double angle)	Perform a somewhat CPU time intensive function.
void	profileTestUsingBusyWaiting()	Test the Profile class using busy waiting.
void	profileTestUsingTrigFunctions()	Test the Profile class using sine and cosine.
void	startOnly()	Calls start, but not end.
void	testFailureModes()	Test handling of inappropriate calling sequences.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ProfileTest

public ProfileTest()

Method Details

profileTestUsingTrigFunctions

public void profileTestUsingTrigFunctions()

Test the Profile class using sine and cosine.

doSine

public void doSine(double angle)

Perform a somewhat CPU time intensive function.

Parameters:

angle - double; the argument

doCosine

public void doCosine(double angle)

Perform a somewhat CPU time intensive function.

Parameters:

angle - double; the argument

profileTestUsingBusyWaiting

public void profileTestUsingBusyWaiting() throws InterruptedException

Test the Profile class using busy waiting.

Throws:

InterruptedException - if that happens; this test has failed

delay

public long delay(long nanoSeconds) throws InterruptedException

Delay for specified number of nano seconds.
Derived from https://stackoverflow.com/questions/11498585/how-to-suspend-a-java-thread-for-a-small-period-of-time-like-100-nanoseconds

Parameters:

nanoSeconds - long; time to delay in nano seconds

Returns:

long; number of iterations in the busy waiting loop

Throws:

InterruptedException - If that happens; this test fails

testFailureModes

public void testFailureModes()

Test handling of inappropriate calling sequences.

startOnly

public void startOnly()

Calls start, but not end.