"{ 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|

    self skipIf: (OperatingSystem getEnvironment:'JOB_NAME') notNil description: 'This test depends on real time timing and thus unreliable under CI setups'.

    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"
    "Modified: / 26-07-2017 / 11:49:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

test2
    |n verbose|

    self skipIf: (OperatingSystem getEnvironment:'JOB_NAME') notNil description: 'This test depends on real time timing and thus unreliable under CI setups'.

    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"
    "Modified: / 26-07-2017 / 11:48:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

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

    |stillWaiting watchDogBite|

    self skipIf: (OperatingSystem getEnvironment:'JOB_NAME') notNil description: 'This test depends on real time timing and thus unreliable under CI setups'.

    [
        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"
    "Modified: / 26-07-2017 / 11:49:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

test4
    "check that we can wake up early"

    |longDelay waitTime watchDogBite|

    self skipIf: (OperatingSystem getEnvironment:'JOB_NAME') notNil description: 'This test depends on real time timing and thus unreliable under CI setups'.

    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
    "

    "Modified: / 26-07-2017 / 11:49:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!DelayTest class methodsFor:'documentation'!

version
    ^ '$Header$'
!

version_HG

    ^ '$Changeset: <not expanded> $'
! !