test: refactor MergeSortedArrayListTest using JUnit 5 parameterized tests#7445
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DenizAltunkapan merged 5 commits intoJun 3, 2026
TheAlgorithms:masterTheAlgorithms/Java:masterfrom
sawaleparas:feat/upgrade-merge-sorted-arraylist-testsawaleparas/Java:feat/upgrade-merge-sorted-arraylist-testCopy head branch name to clipboard
Merged
test: refactor MergeSortedArrayListTest using JUnit 5 parameterized tests#7445DenizAltunkapan merged 5 commits intoTheAlgorithms:masterTheAlgorithms/Java:masterfrom sawaleparas:feat/upgrade-merge-sorted-arraylist-testsawaleparas/Java:feat/upgrade-merge-sorted-arraylist-testCopy head branch name to clipboard
DenizAltunkapan merged 5 commits into
TheAlgorithms:masterTheAlgorithms/Java:masterfrom
sawaleparas:feat/upgrade-merge-sorted-arraylist-testsawaleparas/Java:feat/upgrade-merge-sorted-arraylist-testCopy head branch name to clipboard
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #7445 +/- ##
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- Coverage 79.70% 79.69% -0.02%
+ Complexity 7275 7272 -3
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Files 802 802
Lines 23700 23700
Branches 4661 4661
============================================
- Hits 18891 18888 -3
Misses 4055 4055
- Partials 754 757 +3 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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DenizAltunkapan
approved these changes
Jun 3, 2026
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Description
This PR upgrades the existing
MergeSortedArrayListTestby refactoring individual test scenarios into a unified, data-driven@ParameterizedTest.Changes Implemented
@MethodSource.NullPointerExceptiontest into separate, dedicated validation methods (testMergeThrowsExceptionWhenListAIsNull, etc.) for sharper failure isolation.testMergeParameterizedScenarios).Verification Results
All 9 test cases passed successfully locally inside IntelliJ IDEA with zero regressions.