Java Code Coverage Mechanics

📅 2017-04-25

Internals of Java Virtual Machine based on challenges and experience in implementation of one of the most popular code coverage tools for Java – JaCoCo that is backbone of award-winning Eclipse EclEmma Plugin. In this presentation we will dive into bosom of JVM (bytecode, restrictions, classloaders) answering on following questions:

How by developing JaCoCo we find bugs in OpenJDK? You also can!
How JaCoCo manages to work in OSGi environment?
What makes it fastest?
And which changes were required to support Java 8? Java 9?

Speaker

Evgeny Mandrikov

Software Gardener, addicted to open source and code quality, hired by SonarSource after creation of improved open source analogs of their commercial products. Currently working as Language Team Technical Leader, responsible for development of source code analyzers for languages like Java, C/C++, C#, JavaScript, Python, COBOL, PL/SQL; implementator of cross project duplication detection. In a spare time working on other projects like for example JaCoCo, Eclipse EclEmma.