Is there a testsuite for Java custom collections implementation?

Question

Out of curiosity, I wrote an own simple implementation of Set for a special case (where the set of all possible entries is fixed, but it\'s no enum

Answer 1

Use the Guava SetTestSuiteBuilder.

https://github.com/google/guava/blob/master/guava-testlib/src/com/google/common/collect/testing/SetTestSuiteBuilder.java

Examples:

https://github.com/google/guava/blob/master/guava-testlib/src/com/google/common/collect/testing/TestsForSetsInJavaUtil.java

It is released as part of "guava-testlib" in maven central.