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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 27
Affects Version/s: None
Component/s: core-libs
Labels:
- amazon-interest
- release-note=yes

Subcomponent:
java.util:collections
Resolved In Build:
b11

SpliteratorTraversingAndSplittingTest covers a base TreeMap, but does not cover sub-maps or descending map (treeMap.headMap, treeMap.tailMap, treeMap.subMap, treeMap.descendingMap). Add test cases to cover these implementations.

csr for

JDK-8376740 TreeSet and TreeMap.keySet() empty subSet spliterators should throw NullPointerException

Closed

relates to

JDK-8372946 TreeMap sub-map entry spliterator is expensive

links to

Commit(master) openjdk/jdk/932f28c6

Review(master) openjdk/jdk/29485

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Assignee:: Oli Gillespie
Reporter:: Oli Gillespie
Votes:: 1 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: 2026-01-29 04:26
Updated:: 2 days ago 09:12
Resolved:: 2026-02-20 08:54

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