"{ Package: 'stx:goodies/petitparser/compiler/tests' }"

"{ NameSpace: Smalltalk }"

TestCase subclass:#PPCGuardTest
	instanceVariableNames:'guard compiler'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Tests-Core'
!


!PPCGuardTest methodsFor:'as yet unclassified'!

setUp
	super setUp.
	compiler := PPCMockCompiler new.
!

testCompiling
	guard := PPCGuard new initializeFor: ($a asParser / $b asParser) asCompilerTree.
	guard id: #foo.
	guard compileGuard: compiler.
	
	self assert: compiler lines size = 1.
	self assert: compiler lines first = '(foo at: context peek asInteger)'.
!

testCompiling2
	guard := PPCGuard new initializeFor: (#letter asParser / #digit asParser) asCompilerTree.
	guard id: #foo.
	guard compileGuard: compiler.
	
	self assert: compiler lines size = 1.
	self assert: compiler lines first = '(context peek isAlphaNumeric)'.
!

testCompiling3
	guard := PPCGuard new initializeFor: ($a asParser, (#letter asParser / #digit asParser)) asCompilerTree.
	guard id: #foo.
	guard compileGuard: compiler.
	
	self assert: compiler lines size = 1.
	self assert: compiler lines first = ('(context peek = ', $a storeString ,')').
!

testCompiling4
	guard := PPCGuard new initializeFor: ('foo' asParser / 'foobar' asParser) asCompilerTree.
	guard id: #foo.
	guard compileGuard: compiler.
	
	self assert: compiler lines size = 1.
	self assert: compiler lines first = ('(context peek = ', $f storeString ,')').
!

testIdentifierToken
	| id parser |
	id := (#letter asParser plus)
		name: 'identifier';
		yourself.
		
	parser := id smalltalkToken.
	parser name: 'kw'.

	guard := PPCGuard new initializeFor: parser asCompilerTree optimizeTree.
	self assert: (guard classification at: $a asInteger).
	self assert: (guard classification at: $z asInteger).
!

testMakesSense
	guard := PPCGuard new initializeFor: #letter asParser.
	self assert: guard makesSense.
	
	guard := PPCGuard new initializeFor: nil asParser asCompilerTree.
	self assert: guard makesSense not.
	
	guard := PPCGuard new initializeFor: (#letter asParser / nil asParser) asCompilerTree.
	self assert: guard makesSense not.
	
	guard := PPCGuard new initializeFor: (#letter asParser / #digit asParser) asCompilerTree.
	self assert: guard makesSense.

	guard := PPCGuard new initializeFor: (#letter asParser / #digit asParser star) asCompilerTree.
	self assert: guard makesSense not.
!

testMessage
	guard := PPCGuard new initializeFor: #letter asParser asCompilerTree.
	self assert: (guard message = #isLetter).
	self assert: (guard message = #isAlphaNumeric) not.
	
	guard := PPCGuard new initializeFor: #word asParser asCompilerTree.
	self assert: (guard message = #isAlphaNumeric).
	
	guard := PPCGuard new initializeFor: #digit asParser asCompilerTree.
	self assert: (guard message = #isDigit).
	
	guard := PPCGuard new initializeFor: 'a' asParser asCompilerTree.
	self assert: (guard message = #isDigit) not.
	self assert: (guard message = #isLetter) not.
	self assert: (guard message = #isAlphaNumeric) not.
	
!

testMessage2
	guard := PPCGuard new initializeFor: (#letter asParser / #digit asParser) asCompilerTree.
	self assert: guard message = #isAlphaNumeric
	
!

testNot
	guard := PPCGuard new initializeFor: ('foo' asParser not, 'fee' asParser) asCompilerTree.
	self assert: (guard classification at: $f asInteger).
!

testNot2
	guard := PPCGuard new initializeFor: ('foo' asParser not, 'fee' asParser) asCompilerTree optimizeTree.
	self assert: (guard classification at: $f asInteger).
!

testNot3
	guard := PPCGuard new initializeFor: (#letter asParser negate star, #letter asParser) asCompilerTree optimizeTree.
	self assert: (guard classification allSatisfy: [ :e | e]).
!

testTestMessage
	guard := PPCGuard new initializeFor: #letter asParser asCompilerTree.
	self assert: (guard testMessage: #isLetter).
	self assert: (guard testMessage: #isAlphaNumeric) not.
	
	guard := PPCGuard new initializeFor: #word asParser asCompilerTree.
	self assert: (guard testMessage: #isAlphaNumeric).
	
	guard := PPCGuard new initializeFor: #digit asParser asCompilerTree.
	self assert: (guard testMessage: #isDigit).
	
	guard := PPCGuard new initializeFor: 'a' asParser asCompilerTree.
	self assert: (guard testMessage: #isDigit) not.
	self assert: (guard testMessage: #isLetter) not.
	self assert: (guard testMessage: #isAlphaNumeric) not.
	
!

testTestSingleCharacter
	guard := PPCGuard new initializeFor: $a asParser asCompilerTree.
	self assert: guard testSingleCharacter.
	
	guard := PPCGuard new initializeFor: 'foo' asParser asCompilerTree.
	self assert: guard testSingleCharacter.
	
	guard := PPCGuard new initializeFor: ('foo' asParser / 'bar' asParser) asCompilerTree.
	self assert: guard testSingleCharacter not.

	guard := PPCGuard new initializeFor: ($a asParser, (#letter asParser / #digit asParser)) asCompilerTree.
	self assert: guard testSingleCharacter.
	
	guard := PPCGuard new initializeFor: ('foo' asParser / 'fee' asParser) asCompilerTree.
	self assert: guard testSingleCharacter.
! !

!PPCGuardTest class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'
! !