Why, of course, by virtually starting up the Java class and pushing the buttons, so to speak. You test a Java class by calling methods on it from another Java class. The following Java source file is ...

When formulating assertions, JUnit quickly reaches its limits. The AssertJ and Google Truth libraries offer new possibilities ...

TestNG, written by Cedric Beust and Alexandru Popescu, is a light framework based on Java annotations (for J2SE 5.0) that allows you to design complex unit testing for J2SE 5.0 and J2SE 1.4. Why ...

When taking a test-first approach to programming (see Test before you leap), developers use unit tests to verify that that their code will function as expected. JUnit and NUnit are open source unit ...

JUnit, a simple testing framework created by Kent Beck and Erich Gamma during a long airplane trip a few years ago, ushered in a new era of developer testing. A cottage industry grew up around "*Unit" ...