author | hlopkmar |
Sun, 20 Nov 2011 19:40:45 +0000 | |
branch | jk_new_structure |
changeset 1143 | 5e1de8c6b43e |
parent 1142 | 1a1ce9fd0a16 |
child 1144 | c1c59b13340e |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1996-2011 by Claus Gittinger |
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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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Parts of the code written by Claus Gittinger are under following |
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license: |
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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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Parts of the code written at SWING Reasearch Group [1] are MIT licensed: |
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||
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Permission is hereby granted, free of charge, to any person |
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obtaining a copy of this software and associated documentation |
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files (the 'Software'), to deal in the Software without |
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restriction, including without limitation the rights to use, |
|
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copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the |
|
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Software is furnished to do so, subject to the following |
|
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conditions: |
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26 |
||
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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OTHER DEALINGS IN THE SOFTWARE. |
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[1] Code written at SWING Research Group contain a signature |
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of one of the above copright owners. |
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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' |
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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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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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Parts of the code written by Claus Gittinger are under following |
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license: |
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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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Parts of the code written at SWING Reasearch Group [1] are MIT licensed: |
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||
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Permission is hereby granted, free of charge, to any person |
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obtaining a copy of this software and associated documentation |
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files (the 'Software'), to deal in the Software without |
|
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restriction, including without limitation the rights to use, |
|
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copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
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copies of the Software, and to permit persons to whom the |
|
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Software is furnished to do so, subject to the following |
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conditions: |
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79 |
||
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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||
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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OTHER DEALINGS IN THE SOFTWARE. |
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||
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[1] Code written at SWING Research Group contain a signature |
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of one of the above copright owners. |
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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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"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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! ! |
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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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"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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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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! ! |
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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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201 |
200 timesRepeat: [ |
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202 |
mon enter. |
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self assert: (mon isOwnedBy: t) |
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message: 'monitor was not owned by t after enter'. |
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205 |
Delay waitForMilliseconds: 2. |
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206 |
mon exit. |
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207 |
self assert: (mon isOwnedBy: t) not |
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message: 'monitor was still owned by t after exit'. |
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209 |
] |
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210 |
] newProcess. |
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211 |
threads add: t |
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212 |
]. |
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213 |
cleanupThread := [ |
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threads do: [:each | self waitForDyingThread: each ]. |
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215 |
self waitForAndResumeThisProcess. |
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216 |
] newProcess. |
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217 |
threads do: [:each | each resume ]. |
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218 |
cleanupThread resume. |
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219 |
self stop. |
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220 |
self validateResult. |
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221 |
|
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222 |
"Created: / 20-11-2011 / 19:37:28 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
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223 |
! |
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224 |
|
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testOneThread |
226 |
| mon thread | |
|
227 |
mon := JavaMonitor new. |
|
228 |
thread := [ |
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229 |
self assert: mon isAcquired not |
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230 |
message: 'monitor was acquired at the beginning'. |
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mon enter. |
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232 |
self assert: mon isAcquired |
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233 |
message: 'monitor was not acquired after monitor enter'. |
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234 |
self assert: (mon isOwnedBy: Processor activeProcess) |
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message: 'somebody else owned monitor after monitor enter'. |
1142 | 236 |
mon release. |
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237 |
self assert: mon isAcquired not |
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238 |
message: 'monitor was still acquired after monitor release'. |
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239 |
self assert: (mon processesEntered includes: Processor activeProcess) |
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message: 'thread was not in the processesEntered after release'. |
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mon acquire. |
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242 |
self assert: mon isAcquired |
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243 |
message: 'monitor was not acquired after monitor acquire'. |
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mon exit. |
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245 |
self assert: mon isAcquired not |
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246 |
message: 'monitor stayed acquired after monitor exit'. |
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247 |
self assert: (mon processesEntered includes: Processor activeProcess) not |
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248 |
message: 'process was still in the processesEntered after monitorExit'. |
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249 |
self waitForAndResumeThisProcess. |
1142 | 250 |
] newProcess. |
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251 |
thread resume. |
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252 |
self stop. |
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253 |
self validateResult. |
1142 | 254 |
|
255 |
"Created: / 20-11-2011 / 13:20:59 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
256 |
! |
|
257 |
||
258 |
testTwoThreads |
|
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259 |
"this took me a while :)" |
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260 |
|
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261 |
| mon t1 t2 | |
1142 | 262 |
mon := JavaMonitor new. |
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263 |
t1 := [ |
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264 |
t1 stop. |
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265 |
mon enter. |
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266 |
t2 resume. |
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267 |
t1 stop. |
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268 |
self assert: (mon processesEntered includes: t2) |
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269 |
message: 't2 was not in processesEntered after entering monitor'. |
1142 | 270 |
mon release. |
1143
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271 |
t1 stop. |
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272 |
mon acquire. |
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273 |
self assert: (mon isOwnedBy: t1) |
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274 |
message: 'monitor was not owned by t1 after t2 exitted it'. |
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mon exit. |
276 |
] newProcess. |
|
1143
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277 |
t2 := [ |
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278 |
self waitForStoppingThread: t1. |
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279 |
t1 resume. |
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280 |
t2 stop. |
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281 |
self assert: mon isAcquired |
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282 |
message: 'monitor was not acquired after t1 entered it'. |
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283 |
self assert: (mon isOwnedBy: t1) |
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284 |
message: 'monitor was not owned by t1 after it entered it'. |
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285 |
t1 resume. |
1142 | 286 |
mon enter. |
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287 |
self assert: (mon isOwnedBy: t2) |
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288 |
message: 'monitor was not owned by t2 after waiting on enter'. |
1142 | 289 |
mon exit. |
1143
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290 |
t1 resume. |
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291 |
self waitForDyingThread: t1. |
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292 |
self waitForAndResumeThisProcess |
1142 | 293 |
] newProcess. |
1143
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294 |
t1 resume. |
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|
295 |
t2 resume. |
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296 |
self stop. |
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297 |
self validateResult. |
1142 | 298 |
|
299 |
"Created: / 20-11-2011 / 14:51:22 / Marcel Hlopko <hlopkmar@fel.cvut.cz>" |
|
300 |
! ! |
|
301 |
||
302 |
!JavaMonitorsTests class methodsFor:'documentation'! |
|
303 |
||
304 |
version_SVN |
|
305 |
^ '$Id$' |
|
306 |
! ! |