author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Tue, 29 Dec 2015 08:03:27 +0100 | |
branch | jv |
changeset 1476 | cd772f7900fe |
parent 1289 | e1b9697a5b5e |
child 1478 | 84b9cfc40f37 |
permissions | -rw-r--r-- |
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"{ Package: 'exept:regression' }" |
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"{ NameSpace: RegressionTests }" |
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TestCase subclass:#PipeStreamTest |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'tests-Regression-Streams' |
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! |
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!PipeStreamTest methodsFor:'tests'! |
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testPipeWriteRead |
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| makeReader makeWriter count threads ok blocker | |
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count := 1000. |
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threads := 200. |
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"/ There's limit to 50 open files in BCC5.5 libc, sigh. |
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(OperatingSystem getCCDefine = '__BORLANDC__') ifTrue:[ |
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threads := 20. |
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]. |
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ok := true. |
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blocker := Semaphore new: 2 - threads. |
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makeReader := [ :stream | |
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[ |
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| c | |
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c := 0. |
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[ stream atEnd ] whileFalse:[ |
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stream next. |
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c := c + 1. |
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]. |
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ok := ok and:[ count == c ]. |
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blocker signal. |
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]. |
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]. |
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makeWriter := [ :stream | |
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[ |
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[ count timesRepeat:[stream nextPut: $P] ] on: Error do:[ :ex | |
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Transcript showCR: 'ERROR in writer: ', ex description. |
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ex suspendedContext fullPrintOn: Transcript. |
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ok := false |
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] ensure:[ |
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stream close. |
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] |
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] |
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]. |
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2 to: threads do:[:i | |
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| pipe rs rp ws wp | |
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pipe := NonPositionableExternalStream makePipe. |
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rs := pipe at:1. |
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ws := pipe at:2. |
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rp := (makeReader value: rs) newProcess. |
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rp name: i printString , ' R ' , testSelector. |
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wp := (makeWriter value: ws) newProcess. |
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wp name: i printString , ' W ' , testSelector. |
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rp resume. |
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wp resume. |
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]. |
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blocker wait. |
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self assert: ok. |
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"Created: / 27-03-2014 / 16:21:52 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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"Modified: / 28-12-2015 / 13:17:45 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
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testReadCheckPipe4 |
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"readCheck a pipe. |
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Do this and interrupt the reading thread heavily" |
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| s p count nLoop| |
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nLoop := 1000. |
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"/ self createTestFile. |
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s := PipeStream readingFrom:'sleep 5'. |
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p := [ |
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s readWait. |
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'readWait finished' printCR. |
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] forkAt:7. |
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count := 0. |
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[p isDead] whileFalse:[ |
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Delay waitForMilliseconds:5. |
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p interruptWith:[count := count + 1]. |
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]. |
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('readWait interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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" |
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self new testReadCheckPipe4 |
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" |
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"Modified: / 12.8.1998 / 13:42:13 / cg" |
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! |
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testReadCheckPipe5 |
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"readCheck a pipe. |
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Do this and interrupt the reading thread heavily" |
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| s p count nLoop| |
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nLoop := 1000. |
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"/ self createTestFile. |
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s := PipeStream readingFrom:'sleep 5; echo hello'. |
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p := [ |
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s readWait. |
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'readWait finished' printCR. |
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] forkAt:7. |
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count := 0. |
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[p isDead] whileFalse:[ |
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Delay waitForMilliseconds:5. |
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p interruptWith:[count := count + 1]. |
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]. |
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('readWait interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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" |
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self new testReadCheckPipe5 |
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" |
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"Modified: / 12.8.1998 / 13:42:13 / cg" |
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! |
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testReadPipe6 |
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"read a pipe. |
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Do this and interrupt the reading thread heavily" |
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| s p count nLoop error | |
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error := nil. |
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nLoop := 1000. |
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"/ self createTestFile. |
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s := PipeStream readingFrom:'sleep 5'. |
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p := [ |
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[ |
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'read: ' print. s nextLine printCR. |
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] on: Error do:[:ex| |
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error := ex. |
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] |
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] forkAt:7. |
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count := 0. |
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[p isDead] whileFalse:[ |
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Delay waitForMilliseconds:5. |
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p interruptWith:[count := count + 1]. |
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]. |
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('read interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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self assert: error isNil |
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" |
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self new testReadPipe6 |
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" |
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"Modified: / 12.8.1998 / 13:42:13 / cg" |
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! |
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testReadPipe7 |
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"read a pipe. |
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Do this and interrupt the reading thread heavily" |
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|s p count nLoop error | |
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nLoop := 1000. |
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"/ self createTestFile. |
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s := PipeStream readingFrom:'sleep 5; echo hello'. |
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p := [ |
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[ |
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'read: ' print. s nextLine printCR. |
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] on: Error do:[:ex| |
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error := ex. |
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] |
121 | 197 |
] forkAt:7. |
198 |
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count := 0. |
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[p isDead] whileFalse:[ |
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Delay waitForMilliseconds:5. |
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p interruptWith:[count := count + 1]. |
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]. |
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('read interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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self assert: error isNil |
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121 | 210 |
" |
211 |
self test7 |
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" |
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"Modified: / 12.8.1998 / 13:42:13 / cg" |
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! ! |
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!PipeStreamTest class methodsFor:'documentation'! |
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version |
|
220 |
^ '$Header$' |
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! |
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version_HG |
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^ '$Changeset: <not expanded> $' |
121 | 226 |
! ! |
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