Jumble Coverage Tool for JUnit Tests / News: Recent posts

A new release of the Jumble mutation analysis tool is now available.
It can be installed as an Eclipse plugin (Luna), or as a standalone command line tool.
It now supports Java 8 (JDK 1.8).

Do you want to know how good your JUnit tests are?
Jumble will tell you: from 0% (worthless) to 100% (angelic!).

Jumble is a class level mutation testing tool that works in conjunction with JUnit. The purpose of mutation testing is to provide a measure of the effectiveness of test cases. A single mutation is performed on the code to be tested, the corresponding test cases are then executed. If the modified code fails the tests, then this increases confidence in the tests. Conversely, if the modified code passes the tests this indicates a testing deficiency.... read more

Release 1.1.0 of Jumble is now out!

Jumble is a class level mutation testing tool that works in conjunction with JUnit. The purpose of mutation testing is to provide a measure of the effectiveness of test cases. A single mutation is performed on the code to be tested, the corresponding test cases are then executed. If the modified code fails the tests, then this increases confidence in the tests. Conversely, if the modified code passes the tests this indicates a testing deficiency.... read more