Tag Archives: JUnit

Parameterized unit tests in JUnit

Posted on April 11, 2014 by Robert Piasecki

Sometimes you may want to execute a series of tests which differ only by input values and expected results. Instead of writing each test separately, it is much better to abstract the actual tests into a single class and provide … Continue reading →

Posted in Java, Software development practices | Tagged , , | 2 Comments

Using JUnit, JaCoCo and Maven for code coverage

Posted on February 1, 2014 by Robert Piasecki

JaCoCo is quite a new tool for measuring and reporting code coverage with full support for Java 7. Currently it supports instruction, branch, line, method and class coverage which is pretty anything you can expect from this kind of tool. … Continue reading →

Posted in Code coverage, Java, Maven, Software development practices | Tagged , , , , , | 3 Comments

Assertions on Android

Posted on January 14, 2014 by Robert Piasecki

If you program in Java on Android, you know that Android has its own virtual machine called DalvikVM which is not compatible with JVM from Oracle. In fact, the difference is so big that you cannot run plain Java application … Continue reading →

Posted in Defensive programming, Java, Software development practices | Tagged , , , , , | 5 Comments

Test driven development

Posted on January 12, 2014 by Robert Piasecki

Test driven development is an important and valued part of agile practices. In test driven  development (in short TDD) developers first write tests for new functionality (e.g. a class) and later they implement it. The order is crucial and I … Continue reading →

Posted in Java, Software development practices | Tagged , , , , | 2 Comments