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Ejercicio4-Stack-.st
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!classDefinition: #OOStackTest category: '04 - StackSegundaParteOK'!
TestCase subclass: #OOStackTest
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOStackTest methodsFor: 'test - OOStack' stamp: 'HernanWilkinson 5/7/2012 11:30'!
test01StackShouldBeEmptyWhenCreated
| stack |
stack := OOStack new.
self assert: stack isEmpty! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:29:55'!
test02PushAddElementsToTheStack
| stack |
stack := OOStack new.
stack push: 'something'.
self deny: stack isEmpty! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:01'!
test03PopRemovesElementsFromTheStack
| stack |
stack := OOStack new.
stack push: 'something'.
stack pop.
self assert: stack isEmpty! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:09'!
test04PopReturnsLastPushedObject
| stack pushedObject |
stack := OOStack new.
pushedObject := 'something'.
stack push: pushedObject.
self assert: stack pop = pushedObject! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:48'!
test05StackBehavesLIFO
| stack firstPushedObject secondPushedObject |
stack := OOStack new.
firstPushedObject := 'first'.
secondPushedObject := 'second'.
stack push: firstPushedObject.
stack push: secondPushedObject.
self assert: stack pop = secondPushedObject.
self assert: stack pop = firstPushedObject.
self assert: stack isEmpty
! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:20'!
test06TopReturnsLastPushedObject
| stack pushedObject |
stack := OOStack new.
pushedObject := 'something'.
stack push: pushedObject.
self assert: stack top = pushedObject.
! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:24'!
test07TopDoesNotRemoveObjectFromStack
| stack pushedObject |
stack := OOStack new.
pushedObject := 'something'.
stack push: pushedObject.
self assert: stack size = 1.
stack top.
self assert: stack size = 1.
! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'HAW 4/14/2017 22:48:26'!
test08CanNotPopWhenThereAreNoObjectsInTheStack
| stack |
stack := OOStack new.
self
should: [ stack pop ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOStack stackEmptyErrorDescription ]
! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'NR 5/13/2020 13:30:31'!
test09CanNotPopWhenThereAreNoObjectsInTheStackAndTheStackHadObjects
| stack |
stack := OOStack new.
stack push: 'something'.
stack pop.
self
should: [ stack pop ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOStack stackEmptyErrorDescription ]
! !
!OOStackTest methodsFor: 'test - OOStack' stamp: 'HAW 4/14/2017 22:48:44'!
test10CanNotTopWhenThereAreNoObjectsInTheStack
| stack |
stack := OOStack new.
self
should: [ stack top ]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOStack stackEmptyErrorDescription ]
! !
!OOStackTest methodsFor: 'test - OOLimitedStack' stamp: 'srs 11/3/2021 19:39:41'!
test11CanNotPushIfLimitHasBeenReached
| stack |
stack := OOLimitedStack withSize: 3.
stack push: 'hola'.
stack push: 'hola'.
stack push: 'hola'.
self
should: [stack push: 'chau']
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOLimitedStack stackLimitReached].! !
!OOStackTest methodsFor: 'test - OOLimitedStack' stamp: 'srs 11/3/2021 19:39:47'!
test12CanNotInitializeLimitedStackWithSizeEqualToZero
self
should: [OOLimitedStack withSize: 0]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOLimitedStack stackSizeIsNotValid ].! !
!OOStackTest methodsFor: 'test - OOLimitedStack' stamp: 'srs 11/3/2021 19:39:53'!
test13CanNotInitializeLimitedStackWithNegativeSize
self
should: [OOLimitedStack withSize: -1]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOLimitedStack stackSizeIsNotValid ].! !
!OOStackTest methodsFor: 'test - OOLimitedStack' stamp: 'srs 11/3/2021 19:39:59'!
test14CanNotInitializeLimitedStackWithFloatSize
self
should: [OOLimitedStack withSize: 3.14]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = OOLimitedStack stackSizeIsNotValid ].! !
!classDefinition: #SentenceFinderByPrefixTest category: '04 - StackSegundaParteOK'!
TestCase subclass: #SentenceFinderByPrefixTest
instanceVariableNames: 'stack sentenceFinder'
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!SentenceFinderByPrefixTest methodsFor: 'private' stamp: 'srs 11/3/2021 10:06:43'!
shouldDo: aClosure andThenFailWith: anErrorMessage
self
should: [aClosure value]
raise: Error - MessageNotUnderstood
withExceptionDo: [ :anError |
self assert: anError messageText = (anErrorMessage sendTo: SentenceFinderByPrefix ) ].! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'LG 11/2/2021 23:04:44'!
setUp
sentenceFinder := SentenceFinderByPrefix new.
stack := OOStack new.
stack push: 'winter is coming'.
stack push: 'winning is everything'.
stack push: 'The winds of Winter'.
stack push: 'Winter is here'.
stack push: 'WINTER IS COMING'.
stack push: 'WINNING IS EVERYTHING'.
! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 09:59:31'!
test01SentenceFinderExpectedResultIsCaseSensitive
|sentencesFoundByPrefix expectedCollection|
sentencesFoundByPrefix := sentenceFinder findWithPrefix: 'Wint' at: stack.
expectedCollection := OrderedCollection new.
expectedCollection add: 'Winter is here'.
self assert: expectedCollection equals: sentencesFoundByPrefix.! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 09:59:51'!
test02SentenceFinderExpectedResultIsEmpty
| sentencesFoundByPrefix expectedCollection |
sentencesFoundByPrefix := sentenceFinder findWithPrefix: 'Sum' at: stack.
expectedCollection := OrderedCollection new.
self assert: expectedCollection equals: sentencesFoundByPrefix.! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 10:00:03'!
test03SentenceFinderExpectedResultIsLowerCase
| expectedCollection sentencesFoundByPrefix |
sentencesFoundByPrefix := sentenceFinder findWithPrefix: 'wint' at: stack.
expectedCollection := OrderedCollection new.
expectedCollection add: 'winter is coming'.
self assert: expectedCollection equals: sentencesFoundByPrefix.! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 10:00:24'!
test04SentenceFinderExpectedResultIsUpperCase
| sentencesFoundByPrefix expectedCollection |
sentencesFoundByPrefix := sentenceFinder findWithPrefix: 'WINT' at: stack.
expectedCollection := OrderedCollection new.
expectedCollection add: 'WINTER IS COMING'.
self assert: expectedCollection equals: sentencesFoundByPrefix.! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 10:07:31'!
test05CanNotFindSentencesWhenPrefixHasSpaces
self shouldDo: [sentenceFinder findWithPrefix: ' is ' at: stack] andThenFailWith: #prefixHasSpaces.
! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 10:07:37'!
test06CanNotFindSentencesWhenPrefixIsEmpty
self shouldDo: [sentenceFinder findWithPrefix: '' at: stack] andThenFailWith: #prefixIsEmpty.
! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 10:10:26'!
test07StackHasTheSameSizeAsBeforeUsingSentenceFinderByPrefix
| stackSizeAtTheBeggining stackSizeAtTheEnd |
stackSizeAtTheBeggining := stack size.
sentenceFinder findWithPrefix: 'Wint' at: stack.
stackSizeAtTheEnd := stack size.
self assert: stackSizeAtTheBeggining equals: stackSizeAtTheEnd.! !
!SentenceFinderByPrefixTest methodsFor: 'tests' stamp: 'srs 11/3/2021 19:26:36'!
test08StackHasTheSameStringsAtTheSameOrderBeforeAndAfterUsingSentenceFinderByPrefix
| resultantStackOrder expectedStackOrder |
resultantStackOrder := OrderedCollection new.
expectedStackOrder := OrderedCollection new.
expectedStackOrder addFirst: 'winter is coming'.
expectedStackOrder addFirst: 'winning is everything'.
expectedStackOrder addFirst: 'The winds of Winter'.
expectedStackOrder addFirst: 'Winter is here'.
expectedStackOrder addFirst: 'WINTER IS COMING'.
expectedStackOrder addFirst: 'WINNING IS EVERYTHING'.
sentenceFinder findWithPrefix: 'Wint' at: stack.
[stack isEmpty] whileFalse: [resultantStackOrder add: (stack pop)].
self assert: resultantStackOrder equals: expectedStackOrder .! !
!classDefinition: #OOElement category: '04 - StackSegundaParteOK'!
Object subclass: #OOElement
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOElement methodsFor: 'initialization' stamp: 'srs 11/3/2021 17:31:36'!
initializeWith: aValue
self subclassResponsibility.! !
!OOElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:27'!
removeFrom: aStack
self subclassResponsibility. ! !
!OOElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:31'!
value
self subclassResponsibility.! !
!classDefinition: #OOEmptyElement category: '04 - StackSegundaParteOK'!
OOElement subclass: #OOEmptyElement
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOEmptyElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:45'!
removeFrom: aStack
^self error: OOStack stackEmptyErrorDescription.! !
!OOEmptyElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:48'!
value
^self error: OOStack stackEmptyErrorDescription.! !
!classDefinition: #OOFilledElement category: '04 - StackSegundaParteOK'!
OOElement subclass: #OOFilledElement
instanceVariableNames: 'value'
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOFilledElement methodsFor: 'initialization' stamp: 'srs 11/3/2021 17:31:55'!
initializeWith: aValue
value := aValue.! !
!OOFilledElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:58'!
removeFrom: aStack
^ aStack removeFirst value.
! !
!OOFilledElement methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:32:03'!
value
^ value.
! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'OOFilledElement class' category: '04 - StackSegundaParteOK'!
OOFilledElement class
instanceVariableNames: ''!
!OOFilledElement class methodsFor: 'instance creation' stamp: 'srs 11/3/2021 19:31:18'!
with: aValue
^self new initializeWith: aValue. ! !
!classDefinition: #OOStack category: '04 - StackSegundaParteOK'!
Object subclass: #OOStack
instanceVariableNames: 'stack'
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOStack methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:07'!
isEmpty
^stack size = 1.! !
!OOStack methodsFor: 'behavior' stamp: 'srs 11/3/2021 17:31:10'!
pop
|topElement|
topElement := stack first.
^topElement removeFrom: stack
! !
!OOStack methodsFor: 'behavior' stamp: 'srs 11/3/2021 19:33:01'!
push: Something
|newElement|
newElement := OOFilledElement with: Something.
stack addFirst: newElement .! !
!OOStack methodsFor: 'behavior' stamp: 'srs 11/1/2021 20:46:04'!
size
^stack size - 1.! !
!OOStack methodsFor: 'behavior' stamp: 'srs 11/1/2021 21:14:35'!
top
|topElement|
topElement := stack first.
^topElement value.! !
!OOStack methodsFor: 'initialization' stamp: 'srs 11/3/2021 19:32:46'!
initialize
stack := OrderedCollection new.
stack addFirst: OOEmptyElement new.
! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'OOStack class' category: '04 - StackSegundaParteOK'!
OOStack class
instanceVariableNames: ''!
!OOStack class methodsFor: 'error descriptions' stamp: 'HernanWilkinson 5/7/2012 11:51'!
stackEmptyErrorDescription
^ 'Stack is empty'! !
!classDefinition: #OOLimitedStack category: '04 - StackSegundaParteOK'!
OOStack subclass: #OOLimitedStack
instanceVariableNames: 'limit'
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!OOLimitedStack methodsFor: 'validation' stamp: 'srs 11/3/2021 17:30:44'!
validateLimit
(limit = stack size) ifTrue: [self error: OOLimitedStack stackLimitReached].! !
!OOLimitedStack methodsFor: 'behavior' stamp: 'srs 11/3/2021 19:33:10'!
push: something
|newElement|
self validateLimit.
newElement := OOFilledElement with: something.
stack addFirst: newElement .! !
!OOLimitedStack methodsFor: 'initialization' stamp: 'srs 11/3/2021 19:35:54'!
initializeWithSize: aSize
stack := OrderedCollection new.
stack addFirst: OOEmptyElement new.
limit := aSize + 1.
! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'OOLimitedStack class' category: '04 - StackSegundaParteOK'!
OOLimitedStack class
instanceVariableNames: ''!
!OOLimitedStack class methodsFor: 'error descriptions' stamp: 'LG 11/3/2021 01:13:58'!
stackLimitReached
^'limite de stack alcanzado'.! !
!OOLimitedStack class methodsFor: 'error descriptions' stamp: 'srs 11/3/2021 11:42:12'!
stackSizeIsNotValid
^'tamaño invalido, debe ser un entero mayor a cero'.! !
!OOLimitedStack class methodsFor: 'instance creation' stamp: 'srs 11/3/2021 19:37:59'!
validateSize: aSize
(aSize > 0 and: aSize isInteger ) ifFalse: [self error: OOLimitedStack stackSizeIsNotValid].! !
!OOLimitedStack class methodsFor: 'instance creation' stamp: 'srs 11/3/2021 19:35:45'!
withSize: aSize
self validateSize: aSize.
^self new initializeWithSize: aSize. ! !
!classDefinition: #SentenceFinderByPrefix category: '04 - StackSegundaParteOK'!
Object subclass: #SentenceFinderByPrefix
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: '04 - StackSegundaParteOK'!
!SentenceFinderByPrefix methodsFor: 'find' stamp: 'srs 11/3/2021 17:33:54'!
findWithPrefix: aPrefix at: aStack
|tempOOStack tempString sentencesFoundByPrefix|
self validatePrefix: aPrefix.
tempOOStack := OOStack new.
sentencesFoundByPrefix := OrderedCollection new.
self whileThisStackIsNotEmpty: aStack do: [
tempString := aStack pop.
(tempString beginsWith: aPrefix) ifTrue: [
sentencesFoundByPrefix add: tempString.
].
tempOOStack push: tempString.
].
self whileThisStackIsNotEmpty: tempOOStack do: [
tempString := tempOOStack pop.
aStack push: tempString.
].
^sentencesFoundByPrefix.
! !
!SentenceFinderByPrefix methodsFor: 'private' stamp: 'srs 11/3/2021 17:33:54'!
validatePrefix: aPrefix
(aPrefix includesSubString: ' ') ifTrue: [self error: SentenceFinderByPrefix prefixHasSpaces].
(aPrefix size = 0) ifTrue: [self error: SentenceFinderByPrefix prefixIsEmpty].! !
!SentenceFinderByPrefix methodsFor: 'private' stamp: 'LG 11/3/2021 00:29:22'!
whileThisStackIsNotEmpty: aStack do: aClosure
[aStack isEmpty] whileFalse: aClosure.! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'SentenceFinderByPrefix class' category: '04 - StackSegundaParteOK'!
SentenceFinderByPrefix class
instanceVariableNames: 'aStack'!
!SentenceFinderByPrefix class methodsFor: 'error descriptions' stamp: 'srs 11/2/2021 15:12:53'!
prefixHasSpaces
^'Prefix must not have any spaces.'! !
!SentenceFinderByPrefix class methodsFor: 'error descriptions' stamp: 'srs 11/2/2021 15:13:20'!
prefixIsEmpty
^'Prefix must not be empty.'! !