Marcel Taeumel uploaded a new version of Tests to project The Treated Inbox: http://source.squeak.org/treated/Tests-jar.466.mcz
==================== Summary ====================
Name: Tests-jar.466 Author: jar Time: 31 May 2021, 11:29:34.089017 pm UUID: 3f2953a1-9d10-a044-88af-c9019346c388 Ancestors: Tests-jar.463
Add a set of tests for nested unwind semantics during termination. Complement latest #terminate in the Inbox.
Supersede Tests-jar.465 - add a small improvement - terminate from a helper process
=============== Diff against Tests-jar.463 ===============
Item was added: + TestCase subclass: #ProcessTerminateUnwindTests + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'Tests-Exceptions'!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminateEnsureAsTopContext (in category 'tests') ----- + testTerminateEnsureAsTopContext + "Test #ensure unwind block is executed even when #ensure context is on stack's top." + + | p1 p2 p3 x1 x2 x3 | + x1 := x2 := x3 := false. + + "p1 is at the beginning of the ensure block and the unwind block hasn't run yet" + p1 := Process + forBlock: [[] ensure: [x1 := x1 not]] + runUntil: [:ctx | ctx isUnwindContext and: [(ctx tempAt: 2) isNil]]. + + "p2 has already set complete to true (tempAt: 2) but the unwind block hasn't run yet" + p2 := Process + forBlock: [[] ensure: [x2 := x2 not]] + runUntil: [:ctx | ctx isUnwindContext and: [(ctx tempAt: 2) notNil]]. + + "p3 has already set complete to true AND the unwind block has run already run; + we have to verify the unwind block is not executed again during termination" + p3 := Process + forBlock: [[] ensure: [x3 := x3 not]] + runUntil: [:ctx | ctx isUnwindContext and: [ctx willReturn]]. + + "make sure all processes are running and only the p3's unwind block has finished" + self deny: p1 isTerminated | p2 isTerminated | p3 isTerminated. + self deny: x1 | x2. + self assert: x3. "p3 has already run its unwind block; we test it won't run it again" + "terminate all processes and verify all unwind blocks have finished correctly" + p1 terminate. p2 terminate. p3 terminate. + self assert: p1 isTerminated & p2 isTerminated & p3 isTerminated. + self assert: x1 & x2 & x3!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind1 (in category 'tests') ----- + testTerminationDuringNestedUnwind1 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [Processor activeProcess suspend] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind2 (in category 'tests') ----- + testTerminationDuringNestedUnwind2 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [ ] ensure: [ + Processor activeProcess suspend. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind3 (in category 'tests') ----- + testTerminationDuringNestedUnwind3 + "Terminate runnable process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [Processor yield] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is runnable and none of the unwind blocks has finished yet" + self assert: p isRunnable. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind4 (in category 'tests') ----- + testTerminationDuringNestedUnwind4 + "Terminate runnable process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [ ] ensure: [ + Processor yield. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isRunnable. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind5 (in category 'tests') ----- + testTerminationDuringNestedUnwind5 + "Terminate active process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [Processor activeProcess terminate] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p suspended itself and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now let the termination continue and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind6 (in category 'tests') ----- + testTerminationDuringNestedUnwind6 + "Terminate active process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [ + [ ] ensure: [ + [ ] ensure: [ + Processor activeProcess terminate. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p suspended itself and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now let the termination continue and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind7 (in category 'tests') ----- + testTerminationDuringNestedUnwind7 + "Terminate blocked process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 semaphore | + x1 := x2 := x3 := x4 := false. + semaphore := Semaphore new. + p := + [ + [ + [ ] ensure: [ + [semaphore wait] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is runnable and none of the unwind blocks has finished yet" + self assert: p isBlocked. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwind8 (in category 'tests') ----- + testTerminationDuringNestedUnwind8 + "Terminate blocked process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 semaphore | + x1 := x2 := x3 := x4 := false. + semaphore := Semaphore new. + p := + [ + [ + [ ] ensure: [ + [ ] ensure: [ + semaphore wait. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] newProcess. + p resume. + Processor yield. + "make sure p is runnable and none of the unwind blocks has finished yet" + self assert: p isBlocked. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn1 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn1 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [Processor activeProcess suspend] ensure: [ + x1 := true. return value]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x3. + self deny: x2 & x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn2 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn2 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [] ensure: [ + Processor activeProcess suspend. + x1 := true. return value]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x3. + self deny: x2 & x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn3 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn3 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [Processor activeProcess suspend] ensure: [ + x1 := true]. + x2 := true. return value] + ] ensure: [ + x3 := true]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn4 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn4 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [] ensure: [ + Processor activeProcess suspend. + x1 := true]. + x2 := true. return value] + ] ensure: [ + x3 := true]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn5 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn5 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [Processor activeProcess suspend] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true. return value]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn6 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn6 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [] ensure: [ + Processor activeProcess suspend. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true. return value]. + x4 := true. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn7 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn7 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [Processor activeProcess suspend] ensure: [ + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. return value. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!
Item was added: + ----- Method: ProcessTerminateUnwindTests>>testTerminationDuringNestedUnwindWithReturn8 (in category 'tests') ----- + testTerminationDuringNestedUnwindWithReturn8 + "Terminate suspended process. + Test all nested unwind blocks are correctly unwound; + all unwind blocks halfway through their execution should be completed." + + | p x1 x2 x3 x4 | + x1 := x2 := x3 := x4 := false. + p := + [ + [:return | + [ + [ ] ensure: [ + [] ensure: [ + Processor activeProcess suspend. + x1 := true]. + x2 := true] + ] ensure: [ + x3 := true]. + x4 := true. return value. + ] valueWithExit + ] newProcess. + p resume. + Processor yield. + "make sure p is suspended and none of the unwind blocks has finished yet" + self assert: p isSuspended. + self deny: x1 | x2 | x3 | x4. + "now terminate the process and make sure all unwind blocks have finished" + [p terminate] forkAt: Processor activePriority + 1. + self assert: p isTerminated. + self assert: x1 & x2 & x3. + self deny: x4.!