author | Claus Gittinger <cg@exept.de> |
Thu, 28 Mar 2019 10:59:37 +0100 | |
changeset 2193 | b169be61f50e |
parent 2009 | f99d1003cfd9 |
permissions | -rw-r--r-- |
1903 | 1 |
"{ Encoding: utf8 }" |
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"{ Package: 'stx:goodies/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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class: RegressionTests::PipeStreamTest
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testPipeWriteRead |
2009 | 18 |
| makeReader makeWriter count threads ok finished blocker| |
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class: RegressionTests::PipeStreamTest
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class: RegressionTests::PipeStreamTest
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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count := 1000. |
ad8866ade273
class: RegressionTests::PipeStreamTest
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parents:
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threads := 200. |
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parents:
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"/ There's limit to 50 open files in BCC5.5 libc, sigh. |
a38d8f5208fd
class: RegressionTests::PipeStreamTest
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
2009 | 24 |
threads := 20. |
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class: RegressionTests::PipeStreamTest
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parents:
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]. |
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finished := false. |
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parents:
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ok := true. |
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Stefan Vogel <sv@exept.de>
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blocker := Semaphore new: 2 - threads. |
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class: RegressionTests::PipeStreamTest
Stefan Vogel <sv@exept.de>
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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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stream close. |
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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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class: RegressionTests::PipeStreamTest
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parents:
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makeWriter := [:stream | |
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[ |
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[ |
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count timesRepeat:[stream nextPut: $P] |
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] on: Error do:[ |
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ok := false |
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]. |
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stream close. |
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] |
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]. |
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[ |
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threads timesRepeat:[ |
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|pipe rs ws| |
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2009 | 60 |
pipe := NonPositionableExternalStream makePipe. |
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rs := pipe at:1. |
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ws := pipe at:2. |
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parents:
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2009 | 64 |
(makeReader value: rs) fork. |
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(makeWriter value: ws) fork. |
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]. |
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2009 | 68 |
blocker wait. |
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finished := true. |
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] valueWithTimeout:3 minutes. |
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self assert:(finished and:[ok]). |
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class: RegressionTests::PipeStreamTest
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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"Created: / 27-03-2014 / 16:21:52 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
2009 | 75 |
"Modified: / 17-09-2018 / 15:30:19 / Claus Gittinger" |
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! |
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121 | 78 |
testReadCheckPipe4 |
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"readCheck a pipe. |
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Do this and interrupt the reading thread heavily" |
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| cmd s p count| |
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
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cmd := 'waitfor /T 3 pause'. |
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] ifFalse:[ |
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cmd := 'sleep 3'. |
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]. |
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s := PipeStream readingFrom:cmd. |
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p := [ |
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s readWait. |
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' --- testReadCheckPipe4: 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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(' --- testReadCheckPipe4: readWait interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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"/ assume that our timer resolution is at least 20Hz (usually it is much better...) |
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self assert:(count >= (3 / (1/20))). |
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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 line cmd| |
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
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cmd := 'waitfor /T 3 pause & echo hello'. |
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] ifFalse:[ |
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cmd := 'sleep 3; echo hello'. |
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]. |
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s := PipeStream readingFrom:cmd. |
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p := [ |
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s readWait. |
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line := s nextLine. |
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' --- testReadCheckPipe5: 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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(' --- testReadCheckPipe5: readWait interrupted <1p> times' expandMacrosWith:count) printCR. |
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s close. |
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self assert:(line = 'hello'). |
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"/ assume that our timer resolution is at least 20Hz (usually it is much better...) |
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self assert:(count >= (3 / (1/20))). |
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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 error line cmd| |
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error := nil. |
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"/ self createTestFile. |
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
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cmd := 'waitfor /T 3 pause'. |
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] ifFalse:[ |
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cmd := 'sleep 3'. |
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]. |
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s := PipeStream readingFrom:cmd. |
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p := [ |
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[ |
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line := s nextLine. |
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"/ line 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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(' --- testReadPipe6: 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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self assert: line isEmptyOrNil. |
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"/ assume that our timer resolution is at least 20Hz (usually it is much better...) |
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self assert:(count >= (3 / (1/20))). |
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parents:
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diff
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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 error line cmd| |
121 | 208 |
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OperatingSystem isMSWINDOWSlike ifTrue:[ |
210 |
cmd := 'waitfor /T 3 pause & echo hello'. |
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] ifFalse:[ |
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cmd := 'sleep 3; echo hello'. |
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]. |
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s := PipeStream readingFrom:cmd. |
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p := [ |
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[ |
218 |
line := s nextLine. |
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"/ line 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. |
235 |
self assert: line = 'hello'. |
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"/ assume that our timer resolution is at least 20Hz (usually it is much better...) |
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self assert:(count >= (3 / (1/20))). |
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1215
6c8217e7f690
class: RegressionTests::PipeStreamTest
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
1110
diff
changeset
|
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121 | 239 |
" |
240 |
self test7 |
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241 |
" |
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"Modified: / 12.8.1998 / 13:42:13 / cg" |
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! ! |
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246 |
!PipeStreamTest class methodsFor:'documentation'! |
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||
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version |
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249 |
^ '$Header$' |
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250 |
! ! |
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