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

"{ NameSpace: Smalltalk }"

PPAbstractParserTest subclass:#PPCUnivarsalGuardTest

	instanceVariableNames:'parser result context node compiler id node2 id2 id1 node1 node3

		arguments configuration'

	classVariableNames:''

	poolDictionaries:''

	category:'PetitCompiler-Tests-Core-Universal'

!

!PPCUnivarsalGuardTest methodsFor:'as yet unclassified'!

assert: p parse: whatever

    ^ result := super assert: p parse: whatever.

!

context	

    ^ context := PPCProfilingContext new

!

setUp

    arguments := PPCArguments default

        profile: true;

        yourself.

    configuration := PPCUniversalConfiguration new

        arguments: arguments;

        yourself.

!

tearDown

    | parserClass |

    parserClass := (Smalltalk at: #PPGeneratedParser ifAbsent: [nil]).

    parserClass notNil ifTrue:[ 

        parserClass removeFromSystem

    ].

! !

!PPCUnivarsalGuardTest methodsFor:'tests - guard'!

testChoiceGuard

    parser := ('foo' asParser trimmingToken / 'bar' asParser trimmingToken / $d asParser trimmingToken plus) 

        compileWithConfiguration: configuration.

    self assert: parser parse: 'foo'.

    self assert: result inputValue = 'foo'.	

    self assert: (context invocations anySatisfy: [ :e | e beginsWith: 'token' ]).

    self assert: parser parse: 'bar'.

    self assert: result inputValue = 'bar'.	

    self assert: parser parse: ' foo'.

    self assert: result inputValue = 'foo'.	

    self assert: parser parse: '  d'.

    self assert: result first inputValue = 'd'.	

    self assert: parser fail: ''.

    self assert: (context invocations noneSatisfy: [ :e | e beginsWith: 'predicate' ]).

    self assert: (context invocations noneSatisfy: [ :e | e beginsWith: 'token' ]).

    self assert: parser fail: 'zorg'.		

    self assert: (context invocations noneSatisfy: [ :e | e beginsWith: 'token' ]).

!

testEmptyChoiceGuard

    parser := ('foo' asParser trimmingToken / 'bar' asParser trimmingToken / $d asParser trimmingToken star) 

        compileWithConfiguration: configuration.

    self assert: parser parse: 'foo'.

    self assert: result inputValue = 'foo'.	

    self assert: parser parse: 'bar'.

    self assert: result inputValue = 'bar'.	

    self assert: parser parse: ' foo'.

    self assert: result inputValue = 'foo'.	

    self assert: parser parse: '  d'.

    self assert: result first inputValue = 'd'.	

    self assert: parser parse: ''.

    self assert: parser parse: 'zorg' end: 0.	

!

testGuardSmalltlakToken

    parser := (#letter asParser, #word asParser star) smalltalkToken compileWithConfiguration: configuration.

    self assert: parser parse: 'bar'.

    self assert: (context invocations anySatisfy: [ :e | e beginsWith: 'seq' ]).

    self assert: parser fail: '123'.

    self assert: (context invocations noneSatisfy: [ :e | e beginsWith: 'seq' ]).

!

testSequenceGuard

    parser := ((#any asParser, #any asParser) wrapped, (#any asParser, #any asParser)) compileWithConfiguration: configuration.

    self assert: parser parse: 'fooo' to: #(#($f $o) #($o $o)).	

    self assert: parser parse: 'fo oo' to: #(#($f $o) #($  $o)) end: 4.	

    self assert: parser fail: 'fo'.

!

testTrimmerGuard

    parser := $a asParser trim, $b asParser compileWithConfiguration: configuration.

    self assert: parser parse: 'ab'.

    self assert: parser parse: ' ab'.

! !