"{ Package: 'exept:regression' }"

"{ NameSpace: RegressionTests }"

VMCrashTestCase subclass:#VMCrashTests

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'tests-Regression-RuntimeSystem'

!

!VMCrashTests methodsFor:'tests - GC'!

iter_java_initialize

    <spawn: true>

    1 to: 100 do:[:i |

        Stdout nextPutLine: 'Pass '  , i printString.

        Java release: JavaRelease JDK7.

        Java initialize.

        JavaVM initializeVM.

        Java flushAllJavaResources.

        Stdout nextPutLine: 'Full GC...'.

        Smalltalk garbageCollect.

        Stdout nextPutLine: 'Pass '  , i printString , '...OK'.

    ].

    "Created: / 08-09-2014 / 12:33:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

test_issue_64_vm_crashes_in_fclose

    "

    Quickly opening and closing files for long enough used to kill the

    VM.

    This testcase keeps opening and closing files for 10 minutes. Just a

    stress-test.

    "

    <spawn: true>

    <timeout: 660> "11min"

    | timeout deadline iterStart iterStop directory files i |    

    timeout := self timeout.

    deadline := OperatingSystem getMillisecondTime + ((timeout - 60"extra min to cover variance") * 1000).

    iterStart := iterStop := 0.

    i := 0.

    directory := Smalltalk getPackageDirectoryForPackage: #'stx:goodies'.  

    [ OperatingSystem getMillisecondTime < (deadline - (iterStop - iterStart)) ] whileTrue:[

        iterStart := OperatingSystem getMillisecondTime.

        i := i + 1.

        Stdout nextPutLine: 'Pass '  , i printString.

        files := directory recursiveDirectoryContentsAsFilenames select:[:each | each isRegularFile ].

        files := files select: [ :e | e suffix = 'st' ].

        files collect:[ :e | (FileStream fileNamed: e) contents asString ].   

        Stdout nextPutLine: 'Pass '  , i printString , '...OK'.

        iterStop := OperatingSystem getMillisecondTime.

    ].

    "Created: / 23-06-2016 / 20:45:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

test_java_initialize

    "

    Running `JavaVM boot` for long enough used to kill the

    VM due to problems in memory managements.

    This testcase runs for 10 minutes a test in separate VM

    that 100 times boots and flushes the VM.

    "

    <spawn: false>

    <timeout: 660> "11min"

    | timeout deadline iterStart iterStop |    

    timeout := self timeout.

    deadline := OperatingSystem getMillisecondTime + ((timeout - 60"extra min to cover variance") * 1000).

    iterStart := iterStop := 0.

    [ OperatingSystem getMillisecondTime < (deadline - (iterStop - iterStart)) ] whileTrue:[

        iterStart := OperatingSystem getMillisecondTime.

        (self class selector: #iter_java_initialize) runCase.

        iterStop := OperatingSystem getMillisecondTime.

    ].

    "Created: / 08-09-2014 / 12:14:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

test_newspace_overflow

    <timeout: 120> "2min"

    <spawn: true>

    | newSize newLimit |

    newSize := ObjectMemory newSpaceSize.

    newLimit := (newSize * 0.9) rounded.

    "/ Allocate some garbage to fill in new space...

    [ ObjectMemory newSpaceUsed < newLimit ] whileTrue:[

        | a |

        a := Array new: 100.

    ].

    "/ Now, allocate some really huge object

    "Created: / 05-09-2014 / 19:44:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 16-09-2014 / 18:50:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VMCrashTests class methodsFor:'documentation'!

version

    ^ '$Header$'

!

version_CVS

    ^ '$Header$'

!

version_HG

    ^ '$Changeset: <not expanded> $'

! !