Nicolas Cellier uploaded a new version of CollectionsTests to project The Trunk:
http://source.squeak.org/trunk/CollectionsTests-nice.255.mcz

==================== Summary ====================

Name: CollectionsTests-nice.255
Author: nice
Time: 31 October 2015, 6:39:25.525 pm
UUID: 4f5361b3-18c8-47f1-ba59-030004683963
Ancestors: CollectionsTests-ul.254

In a 64bits spur VM, not all SmallInteger can be stored in an IntegerArray, It's time to document it.

=============== Diff against CollectionsTests-ul.254 ===============

Item was changed:
  ----- Method: IntegerArrayTest>>testStoreSmallInteger (in category 'tests') -----
  testStoreSmallInteger
+ 	"Any SmallInteger may be stored in an IntegerArray in a 32bits VM.
+ 	Not so true for a 64bits spur VM though..."
- 	"Any SmallInteger may be stored in an IntegerArray."
  
  	| ia val |
  	ia := IntegerArray new: 1.
+ 	val := Smalltalk wordSize = 8
+ 		ifTrue: [1 << 31 - 1]
+ 		ifFalse: [SmallInteger maxVal].
- 	val := SmallInteger maxVal.
  	ia at: 1 put: val.
  	self assert: ((ia at: 1) = val).
  
+ 	val := Smalltalk wordSize = 8
+ 		ifTrue: [(1 << 31) negated]
+ 		ifFalse: [SmallInteger minVal].
- 	val := SmallInteger minVal.
  	ia at: 1 put: val.
  	self assert: ((ia at: 1) = val)
  !