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

"{ NameSpace: Smalltalk }"

TestCase subclass:#PPCOptimizeChoicesTest
	instanceVariableNames:'node result visitor configuration'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Tests-Visitors'
!

!PPCOptimizeChoicesTest methodsFor:'as yet unclassified'!

asPPCTree: parser
    ^ parser compileWithConfiguration: configuration
!

setUp
    | arguments |
    super setUp.

    visitor := PPCOptimizeChoices new.
    
    arguments := PPCArguments default
        profile: true.
                
    configuration := PPCPluggableConfiguration on: [ :_self | 
        _self toPPCIr.
        _self cacheFirstFollow.
    ].
    configuration arguments: arguments.
    
!

testHasCommonPrefix
    | foo bar |
    foo := 'foo' asParser name: 'foo'; yourself.
    bar := 'bar' asParser.
    
    node := self asPPCTree: (foo, bar) / foo.

    self assert: (visitor hasCommonPrefix: node children).
! !