author | vranyj1 |
Fri, 25 Nov 2011 08:02:14 +0000 | |
branch | jk_new_structure |
changeset 1155 | d6f6d5fc0343 |
parent 1152 | 040cba55a7d2 |
child 1194 | 9f910257b6e8 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1996-2011 by Claus Gittinger |
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New code and modifications done at SWING Research Group [1]: |
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko |
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SWING Research Group, Czech Technical University in Prague |
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||
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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||
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[1] Code written at SWING Research Group contains a signature |
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of one of the above copright owners. For exact set of such code, |
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see the differences between this version and version stx:libjava |
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as of 1.9.2010 |
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" |
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"{ Package: 'stx:libjava' }" |
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TestCase subclass:#JavaMonitorsTests |
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instanceVariableNames:'result reason thisProcess assertionAccess thisProcessAccess' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Languages-Java-Tests-Synchronization' |
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! |
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!JavaMonitorsTests class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1996-2011 by Claus Gittinger |
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New code and modifications done at SWING Research Group [1]: |
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko |
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SWING Research Group, Czech Technical University in Prague |
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||
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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||
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[1] Code written at SWING Research Group contains a signature |
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of one of the above copright owners. For exact set of such code, |
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see the differences between this version and version stx:libjava |
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as of 1.9.2010 |
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" |
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! ! |
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!JavaMonitorsTests methodsFor:'mh exploratory tests'! |
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testAssertInAnotherThreadShouldFail |
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| t | |
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"i thought so" |
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t := [ |
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self assert: false message: 'I just want it to fail'. |
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self waitForAndResumeThisProcess |
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] newProcess. |
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t resume. |
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self stop. |
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self validateResult. |
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"Created: / 20-11-2011 / 19:09:52 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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testIssSemaphoreSignalledAutomaticallyOnStop |
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| t1 t2 mon | |
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mon := JavaMonitor new. |
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t1 := [ |
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mon enter. |
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self assert: (mon isOwnedBy: t1) message: 'mon was not owned by t1 in t1'. |
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t1 stop. |
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mon exit |
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] newProcess. |
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t2 := [ |
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[ t1 isStopped ] whileFalse: [ Delay waitForMilliseconds: 100 ]. |
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self assert: (mon isOwnedBy: t1) |
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message: 'mon was not owned by t1 after t1 isStopped'. |
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t1 resume. |
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[ t1 isDead ] whileFalse: [ Delay waitForMilliseconds: 100. ]. |
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self waitForAndResumeThisProcess. |
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] newProcess. |
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t1 resume. |
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t2 resume. |
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self stop. |
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self validateResult. |
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"Created: / 20-11-2011 / 17:28:16 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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testNotifyDoesNotMeanAcquireWithoutChecking |
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"aparently it does" |
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"| t1 t2 mon | |
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mon := JavaMonitor new. |
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t1 := [ |
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mon enter. |
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t1 stop. |
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self assert: (mon isOwnedBy: t1) |
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message: 'monitor was not owned by t1 after resume'. |
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mon exit |
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] newProcess. |
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t2 := [ |
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self waitForStoppingThread: t1. |
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self assert: (mon isOwnedBy: t1) |
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message: 'monitor was not owned by t1 after waiting for it to stop'. |
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mon enter. |
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self assert: (mon isOwnedBy: t2) |
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message: 'monitor was not owned by t2 after enter'. |
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mon exit. |
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] newProcess. |
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t1 resume. |
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t2 resume. |
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self waitForWaitingThread: t2. |
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mon notify. |
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t1 resume. |
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self waitForDyingThread: t2. |
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self validateResult." |
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"Created: / 20-11-2011 / 20:50:11 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! ! |
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!JavaMonitorsTests methodsFor:'multithreading testing support'! |
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assert: aBoolean message: message |
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assertionAccess critical: [ |
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result ifTrue: [ |
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result := aBoolean. |
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reason := message. |
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].]. |
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"Created: / 20-11-2011 / 18:54:44 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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setUp |
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result := true. |
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reason := 'Everything went just fine'. |
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thisProcess := Processor activeProcess. |
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assertionAccess := Semaphore forMutualExclusion. |
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thisProcessAccess := Semaphore forMutualExclusion. |
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"Created: / 20-11-2011 / 18:55:39 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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stop |
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thisProcess stop. |
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"Created: / 20-11-2011 / 19:07:12 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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validateResult |
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super assert: result message: reason. |
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"Created: / 20-11-2011 / 18:55:17 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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waitForAndResumeThisProcess |
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thisProcessAccess critical: [self waitForStoppingThread: thisProcess. |
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thisProcess resume.] |
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"Created: / 20-11-2011 / 19:17:53 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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waitForDyingThread: aThread |
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[ aThread isDead ] whileFalse: [ Delay waitForMilliseconds: 100 ]. |
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"Created: / 20-11-2011 / 19:27:54 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! |
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waitForStoppingThread: aThread |
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[ aThread isStopped ] whileFalse: [ Delay waitForMilliseconds: 100 ]. |
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"Created: / 20-11-2011 / 19:17:02 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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waitForWaitingThread: aThread |
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[ aThread isWaiting ] whileFalse: [ Delay waitForMilliseconds: 100 ]. |
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"Created: / 20-11-2011 / 20:55:30 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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! ! |
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!JavaMonitorsTests methodsFor:'tests'! |
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testBruteForceEnter |
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| mon threads cleanupThread | |
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mon := JavaMonitor new. |
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threads := OrderedCollection new. |
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20 timesRepeat: [ |
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| t | |
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t := [ |
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200 timesRepeat: [ |
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mon enter. |
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self assert: (mon isOwnedBy: t) |
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201 |
message: 'monitor was not owned by t after enter'. |
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202 |
Delay waitForMilliseconds: 2. |
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203 |
mon exit. |
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204 |
self assert: (mon isOwnedBy: t) not |
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205 |
message: 'monitor was still owned by t after exit'. |
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206 |
] |
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207 |
] newProcess. |
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208 |
threads add: t |
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209 |
]. |
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210 |
cleanupThread := [ |
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211 |
threads do: [:each | self waitForDyingThread: each ]. |
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212 |
self waitForAndResumeThisProcess. |
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213 |
] newProcess. |
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214 |
threads do: [:each | each resume ]. |
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215 |
cleanupThread resume. |
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216 |
self stop. |
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217 |
self validateResult. |
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218 |
|
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219 |
"Created: / 20-11-2011 / 19:37:28 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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220 |
! |
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221 |
|
1142 | 222 |
testOneThread |
223 |
| mon thread | |
|
224 |
mon := JavaMonitor new. |
|
225 |
thread := [ |
|
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226 |
self assert: mon isAcquired not |
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227 |
message: 'monitor was acquired at the beginning'. |
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mon enter. |
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229 |
self assert: mon isAcquired |
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230 |
message: 'monitor was not acquired after monitor enter'. |
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231 |
self assert: (mon isOwnedBy: Processor activeProcess) |
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232 |
message: 'somebody else owned monitor after monitor enter'. |
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mon release. |
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234 |
self assert: mon isAcquired not |
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235 |
message: 'monitor was still acquired after monitor release'. |
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236 |
self assert: (mon processesEntered includes: Processor activeProcess) |
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237 |
message: 'thread was not in the processesEntered after release'. |
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mon acquire. |
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239 |
self assert: mon isAcquired |
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240 |
message: 'monitor was not acquired after monitor acquire'. |
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mon exit. |
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242 |
self assert: mon isAcquired not |
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243 |
message: 'monitor stayed acquired after monitor exit'. |
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244 |
self assert: (mon processesEntered includes: Processor activeProcess) not |
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245 |
message: 'process was still in the processesEntered after monitorExit'. |
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246 |
self waitForAndResumeThisProcess. |
1142 | 247 |
] newProcess. |
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248 |
thread resume. |
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|
249 |
self stop. |
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250 |
self validateResult. |
1142 | 251 |
|
252 |
"Created: / 20-11-2011 / 13:20:59 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
253 |
! |
|
254 |
||
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255 |
testOneThreadMultipleTimes |
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256 |
| mon t count | |
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257 |
mon := JavaMonitor new. |
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258 |
count := 5. |
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259 |
t := [ |
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260 |
count timesRepeat: [ mon enter ]. |
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|
261 |
count timesRepeat: [ |
1146 | 262 |
self assert: (mon isOwnedBy: t) message: 'mon was not owned by t1'. |
1145
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|
263 |
mon exit |
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|
264 |
]. |
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|
265 |
self waitForAndResumeThisProcess |
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|
266 |
] newProcess. |
1146 | 267 |
t resume. |
1145
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|
268 |
self stop. |
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|
269 |
self validateResult. |
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|
270 |
|
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|
271 |
"Created: / 22-11-2011 / 11:02:42 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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|
272 |
! |
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|
273 |
|
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|
274 |
testTwoThreadMultipleTimes |
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|
275 |
| mon t1 t2 | |
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|
276 |
mon := JavaMonitor new. |
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|
277 |
t1 := [ |
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|
278 |
mon enter. |
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|
279 |
mon enter. |
1146 | 280 |
self assert: (mon isOwnedBy: t1) message: 'mon was not owned by t1 after multiple enter'. |
1145
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|
281 |
mon exit. |
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|
282 |
t1 stop. |
1146 | 283 |
self assert: (mon isOwnedBy: t1) message:'mon was not owned by t1 after single exit'. |
1145
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|
284 |
mon exit. |
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|
285 |
self waitForDyingThread: t2. |
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|
286 |
self waitForAndResumeThisProcess |
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|
287 |
] newProcess. |
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|
288 |
t2 := [ |
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|
289 |
self waitForStoppingThread: t1. |
1146 | 290 |
self assert: (mon isOwnedBy: t1) message: 'mon was not owned by t1 after stop'. |
1145
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|
291 |
t1 resume. |
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|
292 |
] newProcess. |
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|
293 |
t1 resume. |
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|
294 |
t2 resume. |
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|
295 |
self stop. |
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|
296 |
self assert: mon processesEntered isEmpty. |
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|
297 |
self validateResult. |
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|
298 |
|
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|
299 |
"Created: / 22-11-2011 / 11:12:15 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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changeset
|
300 |
! |
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parents:
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changeset
|
301 |
|
1142 | 302 |
testTwoThreads |
1143
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|
303 |
"this took me a while :)" |
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|
304 |
|
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|
305 |
| mon t1 t2 | |
1142 | 306 |
mon := JavaMonitor new. |
1143
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|
307 |
t1 := [ |
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|
308 |
t1 stop. |
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changeset
|
309 |
mon enter. |
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|
310 |
t2 resume. |
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|
311 |
t1 stop. |
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|
312 |
self assert: (mon processesEntered includes: t2) |
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|
313 |
message: 't2 was not in processesEntered after entering monitor'. |
1142 | 314 |
mon release. |
1143
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|
315 |
t1 stop. |
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|
316 |
mon acquire. |
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|
317 |
self assert: (mon isOwnedBy: t1) |
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|
318 |
message: 'monitor was not owned by t1 after t2 exitted it'. |
1142 | 319 |
mon exit. |
320 |
] newProcess. |
|
1143
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|
321 |
t2 := [ |
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|
322 |
self waitForStoppingThread: t1. |
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changeset
|
323 |
t1 resume. |
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changeset
|
324 |
t2 stop. |
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|
325 |
self assert: mon isAcquired |
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|
326 |
message: 'monitor was not acquired after t1 entered it'. |
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|
327 |
self assert: (mon isOwnedBy: t1) |
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changeset
|
328 |
message: 'monitor was not owned by t1 after it entered it'. |
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changeset
|
329 |
t1 resume. |
1142 | 330 |
mon enter. |
1143
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|
331 |
self assert: (mon isOwnedBy: t2) |
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changeset
|
332 |
message: 'monitor was not owned by t2 after waiting on enter'. |
1142 | 333 |
mon exit. |
1143
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parents:
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changeset
|
334 |
t1 resume. |
5e1de8c6b43e
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|
335 |
self waitForDyingThread: t1. |
5e1de8c6b43e
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|
336 |
self waitForAndResumeThisProcess |
1142 | 337 |
] newProcess. |
1143
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changeset
|
338 |
t1 resume. |
5e1de8c6b43e
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changeset
|
339 |
t2 resume. |
5e1de8c6b43e
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changeset
|
340 |
self stop. |
5e1de8c6b43e
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changeset
|
341 |
self validateResult. |
1142 | 342 |
|
343 |
"Created: / 20-11-2011 / 14:51:22 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
344 |
! ! |
|
345 |
||
1146 | 346 |
!JavaMonitorsTests methodsFor:'wait notify tests'! |
347 |
||
348 |
testManyThreadsWaitNotifyAll |
|
349 |
| mon threads | |
|
350 |
mon := JavaMonitor new. |
|
351 |
threads := OrderedCollection new. |
|
352 |
2 timesRepeat: [ |
|
353 |
| t | |
|
354 |
t := [ |
|
355 |
mon enter. |
|
356 |
self assert: (mon isOwnedBy: t) |
|
357 |
message: 'thread was not owned by t after enter'. |
|
358 |
self waitForAndResumeThisProcess. |
|
359 |
'resumed thisProcess' infoPrintCR. |
|
360 |
mon wait. |
|
361 |
'notified and alive' infoPrintCR. |
|
362 |
self assert: (mon isOwnedBy: t) |
|
363 |
message: 'thread was not owned by t after wait'. |
|
364 |
mon exit. |
|
365 |
'dying' infoPrintCR. |
|
366 |
] newProcess. |
|
367 |
threads add: t. |
|
368 |
]. |
|
369 |
threads do: [ |
|
370 |
:each | |
|
371 |
'resuming t' infoPrintCR. |
|
372 |
each resume |
|
373 |
]. |
|
374 |
threads do: [ |
|
375 |
:each | |
|
376 |
'stopping' infoPrintCR. |
|
377 |
self stop |
|
378 |
]. |
|
379 |
threads do: [ |
|
380 |
:each | |
|
381 |
'waiting for waiting' infoPrintCR. |
|
382 |
self waitForWaitingThread: each |
|
383 |
]. |
|
384 |
'sync barrier reached' infoPrintCR. |
|
385 |
mon enter. |
|
386 |
mon notifyAll. |
|
387 |
'threads has been notified' infoPrintCR. |
|
388 |
mon exit. |
|
389 |
'monitor exitted' infoPrintCR. |
|
390 |
threads do: [ |
|
391 |
:each | |
|
392 |
'waiting for them to die' infoPrintCR. |
|
393 |
self waitForDyingThread: each |
|
394 |
]. |
|
395 |
self validateResult. |
|
396 |
||
397 |
"Created: / 22-11-2011 / 12:27:16 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
398 |
! |
|
399 |
||
400 |
testOneThreadWaitMultipleEnters |
|
401 |
| mon t | |
|
402 |
mon := JavaMonitor new. |
|
403 |
t := [ |
|
404 |
mon enter. |
|
405 |
mon enter. |
|
406 |
mon enter. |
|
407 |
self waitForAndResumeThisProcess. |
|
408 |
self assert: (mon isOwnedBy: t) |
|
409 |
message: 'thread was not owned by t after enter'. |
|
410 |
mon wait. |
|
411 |
self assert: (mon isOwnedBy: t) |
|
412 |
message: 'thread was not owned by t after wait'. |
|
413 |
mon exit. |
|
414 |
self assert: (mon isOwnedBy: t) |
|
415 |
message: 'thread was not owned by t after wait'. |
|
416 |
mon exit. |
|
417 |
self assert: (mon isOwnedBy: t) |
|
418 |
message: 'thread was not owned by t after wait'. |
|
419 |
mon exit. |
|
420 |
] newProcess. |
|
421 |
t resume. |
|
422 |
self stop. |
|
423 |
mon enter. |
|
424 |
mon notify. |
|
425 |
mon exit. |
|
426 |
self waitForDyingThread: t. |
|
427 |
self validateResult. |
|
428 |
||
429 |
"Created: / 22-11-2011 / 12:55:38 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
430 |
! |
|
431 |
||
432 |
testOneThreadWaitNotify |
|
433 |
| mon t | |
|
434 |
mon := JavaMonitor new. |
|
435 |
t := [ |
|
436 |
mon enter. |
|
437 |
self assert: (mon isOwnedBy: t) |
|
438 |
message: 'thread was not owned by t after enter'. |
|
439 |
self waitForAndResumeThisProcess. |
|
440 |
mon wait. |
|
441 |
self assert: (mon isOwnedBy: t) |
|
442 |
message: 'thread was not owned by t after wait'. |
|
443 |
self waitForAndResumeThisProcess |
|
444 |
] newProcess. |
|
445 |
t resume. |
|
446 |
self stop. |
|
447 |
mon enter. |
|
448 |
mon notify. |
|
449 |
mon exit. |
|
450 |
self stop. |
|
451 |
self validateResult. |
|
452 |
||
453 |
"Created: / 22-11-2011 / 11:51:28 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
454 |
! |
|
455 |
||
456 |
testOneThreadWaitTimeout |
|
457 |
| mon t | |
|
458 |
mon := JavaMonitor new. |
|
459 |
t := [ |
|
460 |
mon enter. |
|
461 |
self assert: (mon isOwnedBy: t) |
|
462 |
message: 'thread was not owned by t after enter'. |
|
463 |
||
464 |
"/notify will never come |
|
465 |
||
466 |
mon waitForMilliseconds: 500. |
|
467 |
self assert: (mon isOwnedBy: t) |
|
468 |
message: 'thread was not owned by t after wait'. |
|
469 |
] newProcess. |
|
470 |
t resume. |
|
471 |
self waitForDyingThread: t. |
|
472 |
self validateResult. |
|
473 |
||
474 |
"Created: / 22-11-2011 / 12:51:13 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
475 |
! ! |
|
476 |
||
1142 | 477 |
!JavaMonitorsTests class methodsFor:'documentation'! |
478 |
||
479 |
version_SVN |
|
480 |
^ '$Id$' |
|
481 |
! ! |