The teaching of testing has never been easy. The introduction of object orientation into first year courses has made it even more difficult, since more and smaller units need to be tested more often. In professional contexts this is addressed by the use of testing support software. Unfortunately, no adequate software to support testing for introductory students is widely available, leaving teachers and students of first year courses struggling. In this paper we describe an attempt to address this problem by combining two existing systems that partly address our needs. We describe an integration of JUnit into BlueJ, which creates a testing tool that exhibits the flexibility and ease-of-use of the BlueJ system combined with the structured unit test approach provided by JUnit.
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