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"{ Package: 'exept:regression' }"
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"{ NameSpace: Rel5 }"
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TestCase subclass:#ExternalStreamTest
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'Streams-New-Tests'
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!
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!ExternalStreamTest methodsFor:'tests'!
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createWithSize10:fileName
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"helper"
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(fileName asFilename exists) ifTrue:[
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fileName asFilename delete
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].
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fileName asFilename writeStream
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nextPutAll:'1234567890';
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close.
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self assert:(fileName asFilename exists).
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self assert:(fileName asFilename fileSize == 10).
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"
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self new createWithSize10:'xxx1'
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"
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!
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testPosition1
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|h s ch|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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self assert:( s atEnd not ).
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self assert:( s position == 0 ).
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ch := s next.
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self assert:( ch = $1 ).
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self assert:( s position == 1 ).
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s skip:1.
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self assert:( s position == 2 ).
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self assert:( s peek = $3 ).
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self assert:( s position == 2 ).
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s skip:1.
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self assert:( s position == 3 ).
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self assert:( s peek = $4 ).
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self assert:( s position == 3 ).
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s close.
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'xxx3' asFilename delete.
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"
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self new testPosition1
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"
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!
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testPosition2
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|h s|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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self assert:( s atEnd not ).
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self assert:( s position == 0 ).
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s setToEnd.
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self assert:( s position == 10 ).
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self assert:( s atEnd ).
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s close.
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'xxx3' asFilename delete.
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"
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self new testPosition2
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"
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!
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testRead1
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"open an existing file for reading; should read 10 chars"
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|h s nBytesRead|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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'1234567890' do:[:eachExpected |
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self assert:( s next == eachExpected ).
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].
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s close.
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'xxx3' asFilename delete.
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"
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self new testRead1
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"
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!
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testRead2
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"open an existing file for reading; should read 10 chars"
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|h s|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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s binary.
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'1234567890' do:[:eachExpected |
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|eachRead|
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eachRead := s next.
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self assert:( eachRead == eachExpected asciiValue ).
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].
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s close.
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'xxx3' asFilename delete.
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"
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self new testRead2
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"
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!
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testRead3
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"open an existing file for reading; should read 10 chars"
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|h s bytesRead|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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self assert:( s atEnd not ).
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bytesRead := s next:10.
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self assert:( bytesRead = '1234567890' ).
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self assert:( s atEnd ).
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s close.
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'xxx3' asFilename delete.
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"
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self new testRead3
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"
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!
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testReadWait1
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|h s ok|
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self createWithSize10:'xxx3'.
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h := OperatingSystem openFileForRead:'xxx3'.
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s := ExternalReadStream on:h.
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ok := (s readWaitWithTimeout:1) == false.
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self assert:( ok ).
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s close.
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'xxx3' asFilename delete.
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"
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self new testReadWait1
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"
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!
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testTiming1
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|h s t|
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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h := OperatingSystem createFileForReadWrite:'xxx1'.
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s := ExternalWriteStream on:h.
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t := Time millisecondsToRun:[
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1000000 timesRepeat:[
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s nextPut:$a.
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].
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].
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s close.
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Transcript showCR:'Time to write: ' , t printString.
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self assert:( 'xxx1' asFilename exists ).
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self assert:( 'xxx1' asFilename fileSize == 1000000 ).
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h := OperatingSystem openFileForRead:'xxx1'.
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s := ExternalReadStream on:h.
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t := Time millisecondsToRun:[
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1000000 timesRepeat:[
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self assert:(s next == $a).
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].
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].
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s close.
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Transcript showCR:'Time to read: ' , t printString.
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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"
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self new testTiming1
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"
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!
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testTiming2
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|h s t|
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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h := OperatingSystem createFileForReadWrite:'xxx1'.
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s := ExternalWriteStream on:h.
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t := Time millisecondsToRun:[
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100000 timesRepeat:[
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s nextPutAll:'0123456789'.
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].
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].
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s close.
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Transcript showCR:'Time to write: ' , t printString.
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self assert:( 'xxx1' asFilename exists ).
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self assert:( 'xxx1' asFilename fileSize == 1000000 ).
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h := OperatingSystem openFileForRead:'xxx1'.
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s := ExternalReadStream on:h.
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t := Time millisecondsToRun:[
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100000 timesRepeat:[
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self assert:((s next:10) = '0123456789').
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].
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].
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s close.
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Transcript showCR:'Time to read: ' , t printString.
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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"
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self new testTiming2
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"
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!
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testWrite1
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|h s|
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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h := OperatingSystem createFileForReadWrite:'xxx1'.
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s := ExternalWriteStream on:h.
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s nextPutAll:'1234567890'.
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s close.
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self assert:( 'xxx1' asFilename exists ).
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self assert:( 'xxx1' asFilename fileSize == 10 ).
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self assert:( 'xxx1' asFilename contentsOfEntireFile = '1234567890' ).
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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"
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self new testWrite1
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"
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!
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testWrite2
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|h s|
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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h := OperatingSystem createFileForReadWrite:'xxx1'.
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s := ExternalWriteStream on:h.
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self assert:( s position == 0 ).
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s nextPutAll:'1234567890'.
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self assert:( s position == 10 ).
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s close.
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self assert:( 'xxx1' asFilename exists ).
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self assert:( 'xxx1' asFilename fileSize == 10 ).
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self assert:( 'xxx1' asFilename contentsOfEntireFile = '1234567890' ).
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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"
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self new testWrite2
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"
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!
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testWrite3
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|h s|
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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h := OperatingSystem createFileForReadWrite:'xxx1'.
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s := ExternalWriteStream on:h.
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s nextPutAll:'1234567890'.
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self assert:( s position == 10 ).
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s position:5.
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s nextPutAll:'abcdefghij'.
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self assert:( s position == 15 ).
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s close.
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self assert:( 'xxx1' asFilename exists ).
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self assert:( 'xxx1' asFilename fileSize == 15 ).
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self assert:( 'xxx1' asFilename contentsOfEntireFile = '12345abcdefghij' ).
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('xxx1' asFilename exists) ifTrue:[
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'xxx1' asFilename delete
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].
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"
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self new testWrite3
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"
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! !
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!ExternalStreamTest class methodsFor:'documentation'!
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version
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^ '$Header$'
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! !
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