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"{ Package: 'stx:goodies/petitparser/tests' }"
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"{ NameSpace: Smalltalk }"
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PPAbstractParserTest subclass:#PPPredicateTest
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'PetitTests-Tests'
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!
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!PPPredicateTest methodsFor:'private'!
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charactersDo: aBlock
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"cg: isn't 256 one too many?"
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Smalltalk isSmalltalkX ifTrue:[
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0 to: 255 do: [ :index | aBlock value: (Character codePoint: index) ]
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] ifFalse:[
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1 to: 256 do: [ :index | aBlock value: (Character codePoint: index) ]
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].
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! !
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!PPPredicateTest methodsFor:'testing'!
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testOnMessage
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| block parser |
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block := [ :char | char = $* ].
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parser := PPPredicateObjectParser on: block message: 'starlet'.
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self assert: parser block = block.
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self assert: parser message = 'starlet'.
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self assertCharacterSets: parser.
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self assert: parser parse: '*' to: $*.
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self assert: parser parse: '**' to: $* end: 1.
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self assert: parser fail: ''.
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self assert: parser fail: '1'.
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self assert: parser fail: 'a'
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! !
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!PPPredicateTest methodsFor:'testing-chars'!
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testBlank
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| parser cr|
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parser := #blank asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: Character space) to: Character space.
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self assert: parser parse: (String with: Character tab) to: Character tab.
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self assert: parser fail: ''.
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self assert: parser fail: '1'.
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cr := Smalltalk isSmalltalkX
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ifTrue:[Character return]
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ifFalse:[Character cr].
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self assert: parser fail: (String with: cr)
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!
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testChar
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| parser |
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parser := $* asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: '*' to: $*.
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self assert: parser parse: '**' to: $* end: 1.
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self assert: parser fail: ''.
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self assert: parser fail: '1'.
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self assert: parser fail: 'a'
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!
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testCr
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| parser cr |
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cr := Smalltalk isSmalltalkX
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ifTrue:[Character return]
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ifFalse:[Character cr].
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parser := #cr asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: cr) to: cr
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!
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testDigit
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| parser |
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parser := #digit asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: '0' to: $0.
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self assert: parser parse: '9' to: $9.
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self assert: parser fail: ''.
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self assert: parser fail: 'a'
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!
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testHex
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| parser |
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parser := #hex asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: '0' to: $0.
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self assert: parser parse: '5' to: $5.
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self assert: parser parse: '9' to: $9.
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self assert: parser parse: 'A' to: $A.
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self assert: parser parse: 'D' to: $D.
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self assert: parser parse: 'F' to: $F.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'e' to: $e.
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self assert: parser parse: 'f' to: $f.
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self assert: parser fail: ''.
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self assert: parser fail: 'g'
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!
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testLetter
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| parser |
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parser := #letter asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'Z' to: $Z.
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self assert: parser fail: ''.
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self assert: parser fail: '0'
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!
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testLf
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| parser |
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parser := #lf asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: Character lf) to: Character lf
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testLowercase
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| parser |
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parser := #lowercase asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'z' to: $z.
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self assert: parser fail: ''.
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self assert: parser fail: 'A'.
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self assert: parser fail: '0'
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!
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testNewline
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| parser cr|
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cr := Smalltalk isSmalltalkX
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ifTrue:[Character return]
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ifFalse:[Character cr].
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parser := #newline asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: cr) to: cr.
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self assert: parser parse: (String with: Character lf) to: Character lf.
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self assert: parser fail: ' '
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!
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testPunctuation
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| parser |
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parser := #punctuation asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: '.' to: $..
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self assert: parser parse: ',' to: $,.
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self assert: parser fail: ''.
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self assert: parser fail: 'a'.
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self assert: parser fail: '1'
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!
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testSpace
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| parser |
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parser := #space asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: Character tab) to: Character tab.
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self assert: parser parse: ' ' to: Character space.
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self assert: parser fail: ''.
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self assert: parser fail: 'a'
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!
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testTab
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| parser |
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parser := #tab asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: (String with: Character tab) to: Character tab
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!
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testUppercase
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| parser |
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parser := #uppercase asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: 'A' to: $A.
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self assert: parser parse: 'Z' to: $Z.
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self assert: parser fail: ''.
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self assert: parser fail: 'a'.
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self assert: parser fail: '0'
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!
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testWord
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| parser |
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parser := #word asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'A' to: $A.
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self assert: parser parse: '0' to: $0.
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self assert: parser fail: ''.
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self assert: parser fail: '-'
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! !
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!PPPredicateTest methodsFor:'testing-objects'!
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testAny
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| parser |
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parser := #any asParser.
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self assertCharacterSets: parser.
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self assert: parser parse: ' ' to: $ .
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self assert: parser parse: '1' to: $1.
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self assert: parser parse: 'a' to: $a.
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self assert: parser fail: ''
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!
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testAnyExceptAnyOf
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| parser |
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parser := PPPredicateObjectParser anyExceptAnyOf: #($: $,).
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'z' to: $z.
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self assert: parser fail: ':'.
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self assert: parser fail: ','
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!
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testAnyOf
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| parser |
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parser := PPPredicateObjectParser anyOf: #($a $z).
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser parse: 'z' to: $z.
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self assert: parser fail: 'x'
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!
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testBetweenAnd
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| parser |
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parser := PPPredicateObjectParser between: $b and: $d.
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self assertCharacterSets: parser.
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self assert: parser fail: 'a'.
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self assert: parser parse: 'b' to: $b.
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self assert: parser parse: 'c' to: $c.
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self assert: parser parse: 'd' to: $d.
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self assert: parser fail: 'e'
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!
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testExpect
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| parser |
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parser := PPPredicateObjectParser expect: $a.
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self assertCharacterSets: parser.
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self assert: parser parse: 'a' to: $a.
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self assert: parser fail: 'b'.
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self assert: parser fail: ''
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! !
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!PPPredicateTest methodsFor:'testing-sequence'!
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testSequenceParser
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| parser |
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parser := PPPredicateSequenceParser
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on: [ :value | value first isUppercase ]
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message: 'uppercase 3 letter words'
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size: 3.
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self assert: parser size = 3.
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self assert: parser parse: 'Abc'.
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self assert: parser parse: 'ABc'.
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self assert: parser parse: 'ABC'.
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self assert: parser fail: 'abc'.
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self assert: parser fail: 'aBC'.
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self assert: parser fail: 'Ab'.
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parser := parser negate.
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self assert: parser size = 3.
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self assert: parser fail: 'Abc'.
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self assert: parser fail: 'ABc'.
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self assert: parser fail: 'ABC'.
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self assert: parser parse: 'abc'.
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self assert: parser parse: 'aBC'.
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self assert: parser fail: 'Ab'
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! !
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!PPPredicateTest methodsFor:'utilities'!
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assertCharacterSets: aParser
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"Assert the character set of aParser does not overlap with the character set with the negated parser, and that they both cover the complete character space."
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| positives negatives |
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positives := self parsedCharacterSet: aParser.
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negatives := self parsedCharacterSet: aParser negate.
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self charactersDo: [ :char |
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| positive negative |
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positive := positives includes: char.
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negative := negatives includes: char.
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self
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assert: ((positive and: [ negative not ])
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or: [ positive not and: [ negative ] ])
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description: char printString , ' should be in exactly one set' ]
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!
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parsedCharacterSet: aParser
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| result |
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result := WriteStream on: String new.
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self charactersDo: [ :char |
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(aParser matches: (String with: char))
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ifTrue: [ result nextPut: char ] ].
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^ result contents
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! !
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!PPPredicateTest class methodsFor:'documentation'!
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version
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^ '$Header$'
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!
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version_CVS
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^ '$Header$'
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! !
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