"{ Package: 'stx:goodies/regression' }"

"{ NameSpace: RegressionTests }"

TestCase subclass:#DelayTest
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'tests-Regression'
!


!DelayTest class methodsFor:'others'!

version_CVS
    ^ '$Header$'
! !

!DelayTest class methodsFor:'queries'!

coveredClasses
    ^ Array with:Delay

    "Created: / 05-07-2011 / 09:51:28 / cg"
! !

!DelayTest methodsFor:'tests'!

test1
    |n verbose|

    verbose := false.

    [
	n := 0.
	[n < 10] whileTrue:[
	   Delay waitForSeconds:0.1.
	   verbose ifTrue:[ Transcript showCR:n ].
	   n := n + 1.
	]
    ] forkAt:(Processor activePriority - 1).

    self assert:(n == nil).     "because the process has lower prio and should not run"

    Delay waitForSeconds:0.05.

    self assert:(n == 0).       "because I should have interrupted the process"

    Delay waitForSeconds:1.5.

    self assert:(n == 10).      "because process should be complete now"

    "
     self basicNew test1
    "

    "Modified: / 10-01-2012 / 19:25:22 / cg"
!

test2
    |n verbose|

    verbose := false.
    n := 0.
    [
	[n < 10] whileTrue:[
	   Delay waitForSeconds:0.1.
	   verbose ifTrue:[ Transcript showCR:n ].
	   n := n + 1.
	]
    ] forkAt:(Processor activePriority + 1).

    self assert:(n == 0) description:'thread with delays should not have started yet'.
    Delay waitForSeconds:1.1.
    self assert:(n == 10) description:('thread with delays should have finished by now (n=%d)' bindWith:n).

    "
     self basicNew test2
    "

    "Modified: / 10-01-2012 / 19:25:35 / cg"
!

test3_longDelay
    "in stx6.2.1, the following does not wait, due to an overflow in
     the millisecond computation..."

    |stillWaiting watchDogBite|

    [
	watchDogBite := false.
	stillWaiting := true.
	Delay waitForSeconds:1000000.
	stillWaiting := false.
    ] valueWithWatchDog:[ watchDogBite := true] afterMilliseconds:1000.

    self assert:stillWaiting.
    self assert:watchDogBite.

    "
     self basicNew test3_longDelay
    "

    "Created: / 31-07-2011 / 18:44:53 / cg"
!

test4
    "check that we can wake up early"

    |longDelay waitTime watchDogBite|

    longDelay := Delay forSeconds:1000000.
    [
	Delay waitForSeconds:2.
	longDelay resume.
    ] fork.

    waitTime := Time secondsToRun:[
	"never wait longer than 10 seconds"
	[
	    longDelay wait.
	] valueWithWatchDog:[ watchDogBite := true] afterMilliseconds:10000.
    ].
    self assert:watchDogBite ~~ true.
    self assert:waitTime < 10.

    "
     self basicNew test4
    "
! !

!DelayTest class methodsFor:'documentation'!

version
    ^ '$Header$'
! !