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Adding test to test Ephemerons in the Old Space #702

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Adding test to test Ephemerons in the Old Space #702

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1ab3110
Add class that test some edge cases of the ephemerons algorithm
jordanmontt Oct 9, 2023
c9eb905
Added more tests exposing when the algorithm fails
jordanmontt Oct 26, 2023
ba5d1c4
Code reformatting
jordanmontt Oct 26, 2023
7714363
updated comment
jordanmontt Aug 22, 2024
5a89a23
Revert "updated comment"
jordanmontt Aug 22, 2024
210b40d
Removed new testing class and only kept the test for testing the ephe…
jordanmontt Sep 20, 2024
00f99f1
Revert "Removed new testing class and only kept the test for testing …
jordanmontt Sep 20, 2024
a5e8c44
Removed new testing class for ephemerons. Moved one test to the Gc ol…
jordanmontt Sep 20, 2024
700adfe
Merge branch 'pharo-12' into ephemerons-algorithm-bug
jordanmontt Sep 24, 2024
4f76a30
Fixed tonel format that was broken during the merging
jordanmontt Sep 24, 2024
f4a5ab7
Added comment to see if the vm builds
jordanmontt Sep 24, 2024
0f4b7ba
Revert "Added comment to see if the vm builds"
jordanmontt Sep 24, 2024
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32 changes: 32 additions & 0 deletions smalltalksrc/VMMakerTests/VMSpurOldSpaceGarbageCollectorTest.class.st
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Original file line number Diff line number Diff line change
Expand Up @@ -629,6 +629,38 @@ VMSpurOldSpaceGarbageCollectorTest >> testEphemeronWithImmediateKeyShouldNotFail
equals: 15
]

{ #category : 'tests' }
VMSpurOldSpaceGarbageCollectorTest >> testEphemeronsWithSameKeyNewSpaceOldSpace [

| ephemeronObjectOopOne ephemeronObjectOopTwo nonEphemeronObjectOop |
"set up"
memory initializeMournQueue.
self createEphemeronClass.

ephemeronObjectOopOne := self newEphemeronObject.
ephemeronObjectOopTwo := self newEphemeronObject.
nonEphemeronObjectOop := self newOldSpaceObjectWithSlots: 0.

"Both ephemerons share the same key"
memory storePointer: 0
ofObject: ephemeronObjectOopOne
withValue: nonEphemeronObjectOop.
memory storePointer: 0
ofObject: ephemeronObjectOopTwo
withValue: nonEphemeronObjectOop.

self keepObjectInVMVariable1: ephemeronObjectOopOne.
self keepObjectInVMVariable2: ephemeronObjectOopTwo.

"Collect non ephemeron object"
memory fullGC.
ephemeronObjectOopOne := memory remapObj: ephemeronObjectOopOne.
ephemeronObjectOopTwo := memory remapObj: ephemeronObjectOopTwo.

self assert: ({ ephemeronObjectOopOne. ephemeronObjectOopTwo } includes: memory dequeueMourner).
self assert: ({ ephemeronObjectOopOne. ephemeronObjectOopTwo } includes: memory dequeueMourner)
]

{ #category : 'tests' }
VMSpurOldSpaceGarbageCollectorTest >> testGrowOldSpace [

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