compiler/tests/PEGFsaInterpretTest.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 24 Jul 2015 15:06:54 +0100
changeset 502 1e45d3c96ec5
child 515 b5316ef15274
permissions -rw-r--r--
Updated to PetitCompiler-JanVrany.135, PetitCompiler-Tests-JanKurs.93, PetitCompiler-Extras-Tests-JanVrany.16, PetitCompiler-Benchmarks-JanKurs.12 Name: PetitCompiler-JanVrany.135 Author: JanVrany Time: 22-07-2015, 06:53:29.127 PM UUID: 890178b5-275d-46af-a2ad-1738998f07cb Ancestors: PetitCompiler-JanVrany.134 Name: PetitCompiler-Tests-JanKurs.93 Author: JanKurs Time: 20-07-2015, 11:30:10.283 PM UUID: 6473e671-ad70-42ca-b6c3-654b78edc531 Ancestors: PetitCompiler-Tests-JanKurs.92 Name: PetitCompiler-Extras-Tests-JanVrany.16 Author: JanVrany Time: 22-07-2015, 05:18:22.387 PM UUID: 8f6f9129-dbba-49b1-9402-038470742f98 Ancestors: PetitCompiler-Extras-Tests-JanKurs.15 Name: PetitCompiler-Benchmarks-JanKurs.12 Author: JanKurs Time: 06-07-2015, 02:10:06.901 PM UUID: cb24f1ac-46a4-494d-9780-64576f0f0dba Ancestors: PetitCompiler-Benchmarks-JanKurs.11, PetitCompiler-Benchmarks-JanVrany.e29bd90f388e.20150619081300

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

"{ NameSpace: Smalltalk }"

TestCase subclass:#PEGFsaInterpretTest
	instanceVariableNames:'fsa a b c result d interpreter e'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Tests-FSA'
!

!PEGFsaInterpretTest methodsFor:'as yet unclassified'!

assert: anFsa fail: input
    | stream |
    stream := input asPetitStream.

    result := interpreter interpret: anFsa on: stream.

    self assert: result isEmpty.
    ^ result
!

assert: anFsa parse: input 
    ^ self assert: anFsa parse: input end: input size
!

assert: anFsa parse: input end: end
    | stream |
    stream := input asPetitStream.
    anFsa fixFinalStatePriorities.

    result := interpreter interpret: anFsa on: stream.

    self assert: result isEmpty not.
    self assert: (result values anySatisfy: [ :pos | pos = end ]) description: 'wrong position'.
    
    ^ result
!

assert: anFsa parse: input retval: name
    ^ self assert: anFsa parse: input retval: name end: input size
!

assert: anFsa parse: input retval: name end: end
    | stream |
    stream := input asPetitStream.
    anFsa fixFinalStatePriorities.
    
    result := interpreter interpret: anFsa on: stream.

    self assert: result isEmpty not.
    self assert: ((result at: name) = end) description: 'wrong position'.
    
    ^ result
!

assert: name position: pos
    ^ self assert: ((result at: name) = pos)
!

assertFail: name
    self assert: (result includesKey: name) not
!

assertPass: name
    self assert: (result includesKey: name)
!

setUp
    a := PEGFsaState new name: #a; retval: #a; yourself.
    b := PEGFsaState new name: #b; retval: #b; yourself.
    c := PEGFsaState new name: #c; retval: #c; yourself.
    d := PEGFsaState new name: #d; retval: #d; yourself.
    e := PEGFsaState new name: #e; retval: #e; yourself.

    fsa := PEGFsa new.

    interpreter := PEGFsaInterpret new
        yourself.
!

testAB
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: c.
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: c on: $b.	
    
    self assert: fsa parse: 'ab' retval: #c.
    self assert: fsa parse: 'abc' retval: #c end: 2.
    
    self assert: fsa fail: 'ac'.
!

testABPlus
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: c.
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: a on: $b.	
    fsa addTransitionFrom: b to: c on: $b.	
    
    self assert: fsa parse: 'ab'.
    self assert: fsa parse: 'ababab'.
    self assert: fsa parse: 'abababc' end: 6.
    
    self assert: fsa fail: 'ac'.
!

testAOptional
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    c priority: -1.
    b priority: 0.
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: a to: c priority: -1.
    
    self assert: fsa parse: 'a'.
    self assert: fsa parse: 'ab' end: 1.
    self assert: fsa parse: 'b' end: 0.
!

testAPlusA
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa addState: d.
    fsa startState: a.
    fsa finalState: d.
    
    fsa addTransitionFrom: a to: b on: $a.

    fsa addTransitionFrom: c to: d on: $a.	
    fsa addTransitionFrom: c to: d on: $b.	

    b priority: 0.
    d priority: -1.
    fsa addTransitionFrom: b to: a.	"a-loop"
    fsa addTransitionFrom: b to: c priority: -1. "sequence"

    
    self assert: fsa parse: 'aaab'.
    self assert: fsa fail: 'aaaa'.
!

testAPlusB
    fsa addState: a.
    fsa addState: b.
    fsa startState: a.
    fsa finalState: b.
    
    fsa addTransitionFrom: a to: a on: $a.
    fsa addTransitionFrom: a to: b on: $b.	
    
    self assert: fsa parse: 'ab'.
    self assert: fsa parse: 'aaaab'.
    self assert: fsa parse: 'abc' end: 2.
    
    self assert: fsa fail: 'ac'.
!

testChoice
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    fsa addTransitionFrom: a to: b on: $b.
    fsa addTransitionFrom: a to: c on: $c.	
    
    self assert: fsa parse: 'b'.
    self assert: fsa parse: 'c'.

    self assert: fsa fail: 'a'
!

testChoice2
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: a to: c on: $a.	
    
    self assert: fsa parse: 'a'.
    self assert: #b position: 1.
    self assert: #c position: 1.
    
    self assert: fsa fail: 'b'
!

testEmpty
    fsa addState: a.
    fsa startState: a.
    fsa finalState: a.
    
"	fsa addTransitionFrom: a to: b.
"	
    self assert: fsa parse: '' retval: #a.
!

testEpsilonChoice
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa addState: d.
    fsa addState: e.
    fsa startState: a.
    fsa finalState: c.
    fsa finalState: e.
    
    fsa addTransitionFrom: b to: c on: $c.
    fsa addTransitionFrom: d to: e on: $e.	
    
    fsa addTransitionFrom: a to: b.
    fsa addTransitionFrom: a to: d.
    
    self assert: fsa parse: 'c'.
    self assert: fsa parse: 'e'.

    self assert: fsa fail: 'a'
!

testEpsilonChoice2
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa addState: d.
    fsa addState: e.
    fsa startState: a.
    fsa finalState: c.
    fsa finalState: e.
    
    fsa addTransitionFrom: b to: c on: $a.
    fsa addTransitionFrom: d to: e on: $a.	
    
    fsa addTransitionFrom: a to: b.
    fsa addTransitionFrom: a to: d.
    
    self assert: fsa parse: 'a'.
    self assert: #c position: 1.
    self assert: #e position: 1.

    self assert: fsa fail: 'b'
!

testOverlap
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    b priority: -1.
    c priority: -1.
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: c on: $a priority: -1.	
    
    self assert: fsa parse: 'aa'.
    self assertPass: #b.
    self assertPass: #c.
    
    self assert: fsa parse: 'ac' end: 1.
    self assertPass: #b.
    self assertFail: #c.	
!

testOverlap2
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    b priority: 0.
    c priority: -1.
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: c on: $a priority: -1.	
    
    self assert: fsa parse: 'aa' end: 1.
    self assertPass: #b.
    self assertFail: #c.
    
    self assert: fsa parse: 'ac' end: 1.
    self assertPass: #b.
    self assertFail: #c.	
!

testPriorityChoice
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    b priority: 0.
    c priority: -1.
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: a to: c on: $a priority: -1.	
    
    self assert: fsa parse: 'a'.
    self assert: #b position: 1.
    self assert: (result includesKey: #b).
    self assert: (result includesKey: #c) not.
    
    self assert: fsa fail: 'b'
!

testPriorityChoice2
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    fsa finalState: c.
    
    b priority: -1.
    c priority: 0.
    fsa addTransitionFrom: a to: b on: $a priority: -1.
    fsa addTransitionFrom: a to: c on: $a.	
    
    self assert: fsa parse: 'a'.
    self assert: #c position: 1.
    self assert: (result includesKey: #b) not.
    self assert: (result includesKey: #c).
    
    self assert: fsa fail: 'b'
!

testPriorityContinuation
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    
    fsa finalState: b.
    fsa finalState: c.
    
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: c on: $a priority: -1.	
    
    b retval: PEGFsaFailure new.
    b priority: 0.
    c priority: -1.
    
    self assert: fsa fail: 'a'.
    self assert: fsa fail: 'aa'
!

testPriorityEpsilonChoice
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa addState: d.
    fsa addState: e.
    fsa startState: a.
    fsa finalState: c.
    fsa finalState: e.
    
    fsa addTransitionFrom: b to: c on: $a.
    fsa addTransitionFrom: d to: e on: $a.	
    
    c priority: 0.
    e priority: -1.
    fsa addTransitionFrom: a to: b.
    fsa addTransitionFrom: a to: d priority: -1.
    
    self assert: fsa parse: 'a'.
    self assert: #c position: 1.
    self assertPass: #c.
    self assertFail: #e.
    
    self assert: fsa fail: 'b'
!

testPriorityEpsilonChoice2
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa addState: d.
    fsa addState: e.
    fsa startState: a.
    fsa finalState: c.
    fsa finalState: e.
    
    fsa addTransitionFrom: b to: c on: $a.
    fsa addTransitionFrom: d to: e on: $a.	
    
    c priority: -1.
    e priority: 0.
    fsa addTransitionFrom: a to: b priority: -1.
    fsa addTransitionFrom: a to: d.
    
    self assert: fsa parse: 'a'.
    self assert: #e position: 1.
    self assertPass: #e.
    self assertFail: #c.

    self assert: fsa fail: 'b'
!

testPriorityReturn
    fsa addState: a.
    fsa addState: b.
    fsa addState: c.
    fsa startState: a.
    fsa finalState: b.
    
    fsa addTransitionFrom: a to: b on: $a.
    fsa addTransitionFrom: b to: c on: $a.	
    
    b priority: -1.
    c priority: 0.
    
    self assert: fsa parse: 'a'.
    self assert: #b position: 1.

    self assert: fsa fail: 'aa'
! !