JUnit 4 Showcase – Using timeouts

An interesting way to performance test the time it takes for an expensive operation to complete is to use JUnit 4’s timeouts. This way we can capture poor response times. In this case the test case fails if it takes longer than the predefined time in milliseconds to complete.

A trivial example would look like this:

package com.dimitrisli.junitshowcase.performanceTesting;

import org.junit.Test;

import junit.framework.Assert;

public class PerformanceTest {

	@Test(timeout=100)
	public void method(){
		Assert.assertTrue(true);
	}
}

This code extract along with the full JUnit 4 showcase can be found in this Github repository.

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