[squeak-dev] The Trunk: KernelTests-mt.380.mcz

commits at source.squeak.org commits at source.squeak.org
Thu Apr 30 10:22:17 UTC 2020


Marcel Taeumel uploaded a new version of KernelTests to project The Trunk:
http://source.squeak.org/trunk/KernelTests-mt.380.mcz

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

Name: KernelTests-mt.380
Author: mt
Time: 30 April 2020, 12:22:16.766652 pm
UUID: c45fab34-ced0-9340-9f23-8f6af2c21f88
Ancestors: KernelTests-mt.379

Split up memory allocation tests.

=============== Diff against KernelTests-mt.379 ===============

Item was changed:
  ----- Method: AllocationTest>>testOutOfMemorySignal (in category 'tests') -----
  testOutOfMemorySignal
+ 	"Ensure that OutOfMemory is signaled eventually. Restrain the available memory first to not stress the machine too much."
+ 	
- 	"Ensure that OutOfMemory is signaled eventually"
  	| sz |
  	self setFreeSpaceLimitOf: 1024 * 1024 * 1024 * (Smalltalk wordSize = 8
  														ifTrue: [4]
  														ifFalse: [1.5])
  		around:
  			[sz := 512*1024*1024. "work around the 1GB alloc bug"
+ 			 self should: [(1 to: 2000) collect: [:i| Array new: sz]] raise: OutOfMemory].!
- 			 self should: [(1 to: 2000) collect: [:i| Array new: sz]] raise: OutOfMemory].
- 
- 	"Call me when this test fails, I want your machine."
- 	"Current (2017) Spur VMs fail new: & basicNew: with #'bad argument' if given other than a non-negative SmallInteger."
- 	sz := 1024*1024*1024*1024.
- 	self should: [Array new: sz]
- 		raise: OutOfMemory, Error
- 		withExceptionDo:
- 			[:ex|
- 			 ex class == Error ifTrue:
- 				[self assert: [ex messageText includesSubstring: 'basicNew: with invalid argument']]]!

Item was added:
+ ----- Method: AllocationTest>>testOutOfMemorySignalExtreme (in category 'tests') -----
+ testOutOfMemorySignalExtreme
+ 	"Try to allocate a ridiculous amount of memory and check whether the expected error is signaled. Call Eliot when this test fails, he want your machine. :-)
+ 	
+ 	Note that current (2017) Spur VMs fail in #new: and #basicNew: with #'bad argument' if given other than a non-negative SmallInteger.
+ 	
+ 	Also note that this test can be quite stressful to your machine depending on how your operating system allocates the required memory behind the curtains. Better not triggering some robot fetching a tape from somewhere..."
+ 	
+ 	| sz |
+ 	sz := 1024*1024*1024*1024. "= 1 TiB"
+ 	self should: [Array new: sz]
+ 		raise: OutOfMemory, Error
+ 		withExceptionDo:
+ 			[:ex|
+ 			 ex class == Error ifTrue:
+ 				[self assert: [ex messageText includesSubstring: 'basicNew: with invalid argument']]]!



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