"{ Encoding: utf8 }"

"{ Package: 'stx:goodies/regression' }"

"{ NameSpace: RegressionTests }"

TestCase subclass:#ExternalStreamTest

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'tests-Regression-Streams'

!

!ExternalStreamTest class methodsFor:'documentation'!

documentation

"

    tests functions of the new stream package (which is not yet deployed)

"

! !

!ExternalStreamTest methodsFor:'test-helpers'!

createWithSize10:fileName

    "helper"

    (fileName asFilename exists) ifTrue:[

	fileName asFilename delete

    ].

    fileName asFilename writeStream

	nextPutAll:'1234567890';

	close.

    self assert:(fileName asFilename exists).

    self assert:(fileName asFilename fileSize == 10).

    "

     self new createWithSize10:'xxx1'

    "

! !

!ExternalStreamTest methodsFor:'tests'!

testCopyFile1

    |stxDirectory pathName1 pathName2|

    stxDirectory := Helper smalltalkDirectory.

    pathName1 := (stxDirectory / 'smalltalk.rc') pathName.

    pathName2 := (stxDirectory / 'smalltalk.rc2') pathName.

    self assert:(pathName1 asFilename exists).

    pathName1 asFilename copyTo:pathName2.

    self assert:(pathName1 asFilename fileSize = pathName2 asFilename fileSize).

    self assert:(pathName1 asFilename contentsOfEntireFile = pathName2 asFilename contentsOfEntireFile).

    pathName2 asFilename delete.

    "

     self new testCopyFile1

    "

! !

!ExternalStreamTest methodsFor:'tests - future (skipped)'!

testPosition1

    |h s ch externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not" 

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    self assert:( s atEnd not ).

    self assert:( s position == 0 ).

    ch := s next.

    self assert:( ch = $1 ).

    self assert:( s position == 1 ).

    s skip:1.

    self assert:( s position == 2 ).

    self assert:( s peek = $3 ).

    self assert:( s position == 2 ).

    s skip:1.

    self assert:( s position == 3 ).

    self assert:( s peek = $4 ).

    self assert:( s position == 3 ).

    s close.

    'xxx3' asFilename delete.

    "

     self new testPosition1

    "

    "Modified: / 16-02-2017 / 18:06:38 / stefan"

    "Modified (format): / 28-03-2019 / 12:18:37 / Claus Gittinger"

!

testPosition2

    |h s externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not" 

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    self assert:( s atEnd not ).

    self assert:( s position == 0 ).

    s setToEnd.

    self assert:( s position == 10 ).

    self assert:( s atEnd ).

    s close.

    'xxx3' asFilename delete.

    "

     self new testPosition2

    "

    "Modified: / 16-02-2017 / 18:07:01 / stefan"

    "Modified (format): / 28-03-2019 / 12:18:44 / Claus Gittinger"

!

testRead1

    "open an existing file for reading; should read 10 chars"

    |h s externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not" 

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    '1234567890' do:[:eachExpected |

        self assert:( s next == eachExpected ).

    ].

    s close.

    'xxx3' asFilename delete.

    "

     self new testRead1

    "

    "Modified: / 16-02-2017 / 18:07:08 / stefan"

    "Modified (format): / 28-03-2019 / 12:18:51 / Claus Gittinger"

!

testRead2

    "open an existing file for reading; should read 10 chars"

    |h s externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not"        

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    s binary.

    '1234567890' do:[:eachExpected |

        |eachRead|

        eachRead := s next.

        self assert:( eachRead == eachExpected asciiValue ).

    ].

    s close.

    'xxx3' asFilename delete.

    "

     self new testRead2

    "

    "Modified: / 16-02-2017 / 18:07:16 / stefan"

    "Modified (format): / 28-03-2019 / 12:18:56 / Claus Gittinger"

!

testRead3

    "open an existing file for reading; should read 10 chars"

    |h s bytesRead externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not" 

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    self assert:( s atEnd not ).

    bytesRead := s next:10.

    self assert:( bytesRead = '1234567890' ).

    self assert:( s atEnd ).

    s close.

    'xxx3' asFilename delete.

    "

     self new testRead3

    "

    "Modified: / 16-02-2017 / 18:07:21 / stefan"

    "Modified (format): / 28-03-2019 / 12:19:02 / Claus Gittinger"

!

testReadWait1

    |h s ok externalReadStream|

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalReadStream isBehavior not" 

         description:'skipped until new stream package is used'.

    self createWithSize10:'xxx3'.

    h := OperatingSystem openFileForRead:'xxx3'.

    s := externalReadStream on:h.

    ok := (s readWaitWithTimeout:1) == false.

    self assert:( ok ).

    s close.

    'xxx3' asFilename delete.

    "

     self new testReadWait1

    "

    "Modified: / 16-02-2017 / 18:07:26 / stefan"

    "Modified (format): / 28-03-2019 / 12:19:05 / Claus Gittinger"

!

testTiming1

    |h s t externalWriteStream externalReadStream|

    externalWriteStream := (Smalltalk at:#ExternalWriteStream).

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalWriteStream isBehavior not" 

         description:'skipped until new stream package is used'.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    h := OperatingSystem createFileForReadWrite:'xxx1'.

    s := externalWriteStream on:h.

    t := Time millisecondsToRun:[

        1000000 timesRepeat:[

            s nextPut:$a.

        ].

    ].

    s close.

    Transcript showCR:'Time to write: ' , t printString.

    self assert:( 'xxx1' asFilename exists ).

    self assert:( 'xxx1' asFilename fileSize == 1000000 ).

    h := OperatingSystem openFileForRead:'xxx1'.

    s := externalReadStream on:h.

    t := Time millisecondsToRun:[

        1000000 timesRepeat:[

            self assert:(s next == $a).

        ].

    ].

    s close.

    Transcript showCR:'Time to read: ' , t printString.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    "

     self new testTiming1

    "

    "Modified: / 16-02-2017 / 18:07:43 / stefan"

    "Modified (format): / 28-03-2019 / 12:19:09 / Claus Gittinger"

!

testTiming2

    |h s t externalWriteStream externalReadStream|

    externalWriteStream := (Smalltalk at:#ExternalWriteStream).

    externalReadStream := (Smalltalk at:#ExternalReadStream).

    self skipIf:true "externalWriteStream isBehavior not" 

         description:'skipped until new stream package is used'.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    h := OperatingSystem createFileForReadWrite:'xxx1'.

    s := externalWriteStream on:h.

    t := Time millisecondsToRun:[

        100000 timesRepeat:[

            s nextPutAll:'0123456789'.

        ].

    ].

    s close.

    Transcript showCR:'Time to write: ' , t printString.

    self assert:( 'xxx1' asFilename exists ).

    self assert:( 'xxx1' asFilename fileSize == 1000000 ).

    h := OperatingSystem openFileForRead:'xxx1'.

    s := externalReadStream on:h.

    t := Time millisecondsToRun:[

        100000 timesRepeat:[

            self assert:((s next:10) = '0123456789').

        ].

    ].

    s close.

    Transcript showCR:'Time to read: ' , t printString.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    "

     self new testTiming2

    "

    "Modified: / 16-02-2017 / 18:07:56 / stefan"

    "Modified (format): / 28-03-2019 / 12:19:13 / Claus Gittinger"

!

testWriteNewStreams1

    "new streams (from sv) - as yet unfinished"

    |h s externalWriteStream|

    externalWriteStream := (Smalltalk at:#ExternalWriteStream).

    self skipIf:true "externalWriteStream isBehavior not" 

         description:'skipped until new stream package is used'.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    h := OperatingSystem createFileForReadWrite:'xxx1'.

    s := externalWriteStream on:h.

    s nextPutAll:'1234567890'.

    s close.

    self assert:( 'xxx1' asFilename exists ).

    self assert:( 'xxx1' asFilename fileSize == 10 ).

    self assert:( 'xxx1' asFilename contentsOfEntireFile = '1234567890' ).

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    "

     self new testWrite1

    "

    "Created: / 28-03-2019 / 11:02:34 / Claus Gittinger"

!

testWriteNewStreams2

    "new streams (from sv) - as yet unfinished"

    |h s externalWriteStream|

    externalWriteStream := (Smalltalk at:#ExternalWriteStream).

    self skipIf:true "externalWriteStream isBehavior not" 

         description:'skipped until new stream package is used'.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    h := OperatingSystem createFileForReadWrite:'xxx1'.

    s := externalWriteStream on:h.

    self assert:( s position == 0 ).

    s nextPutAll:'1234567890'.

    self assert:( s position == 10 ).

    s close.

    self assert:( 'xxx1' asFilename exists ).

    self assert:( 'xxx1' asFilename fileSize == 10 ).

    self assert:( 'xxx1' asFilename contentsOfEntireFile = '1234567890' ).

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    "

     self new testWrite2

    "

    "Created: / 28-03-2019 / 11:02:41 / Claus Gittinger"

!

testWriteNewStreams3

    "new streams (from sv) - as yet unfinished"

    |h s externalWriteStream|

    externalWriteStream := (Smalltalk at:#ExternalWriteStream).

    self skipIf:true "externalWriteStream isBehavior not" 

         description:'skipped until new stream package is used'.

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    h := OperatingSystem createFileForReadWrite:'xxx1'.

    s := externalWriteStream on:h.

    s nextPutAll:'1234567890'.

    self assert:( s position == 10 ).

    s position:5.

    s nextPutAll:'abcdefghij'.

    self assert:( s position == 15 ).

    s close.

    self assert:( 'xxx1' asFilename exists ).

    self assert:( 'xxx1' asFilename fileSize == 15 ).

    self assert:( 'xxx1' asFilename contentsOfEntireFile = '12345abcdefghij' ).

    ('xxx1' asFilename exists) ifTrue:[

        'xxx1' asFilename delete

    ].

    "

     self new testWrite3

    "

    "Created: / 28-03-2019 / 11:02:43 / Claus Gittinger"

! !

!ExternalStreamTest class methodsFor:'documentation'!

version

    ^ '$Header$'

!

version_CVS

    ^ '$Header$'

! !