docs: clarify RETURNS_MOCKS behavior with sealed abstract enums (Java 15+)#3773
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TimvdLippe merged 1 commit intomockito:mainfrom Dec 16, 2025
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… 15+) Fixes mockito#3285 Added documentation note explaining that since Java 15, abstract enums are declared sealed and cannot be mocked. Attempting to return a mock for such types will throw MockitoException instead of returning null.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3773 +/- ##
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- Coverage 86.46% 86.45% -0.02%
Complexity 2988 2988
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Files 341 341
Lines 9041 9041
Branches 1113 1113
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- Hits 7817 7816 -1
- Misses 942 943 +1
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Fixes #3285 - Added documentation note explaining that since Java 15, abstract enums are declared sealed and cannot be mocked, throwing MockitoException instead of returning null.