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trimTest.cpp 4.76 KiB 
#include <list>
#include "trimTest.h"

#include "label/StringLabel.h"
#include "label/IntegerLabel.h"
#include "label/Label.h"
#include "alphabet/LabeledSymbol.h"

#include "trim/automaton/TrimFSM.h"
#include "trim/grammar/TrimCFG.h"

#include "automaton/FSM/DFA.h"
#include "grammar/Regular/RightRG.h"

#define CPPUNIT_IMPLY(x, y) CPPUNIT_ASSERT(!(x) || (y))

CPPUNIT_TEST_SUITE_REGISTRATION( trimTest );

void trimTest::setUp() {
}

void trimTest::tearDown() {
}

void trimTest::testTrimAutomaton() {
  automaton::DFA automaton(automaton::State(label::Label(label::IntegerLabel(1))));

  automaton.addState(automaton::State(label::Label(label::IntegerLabel(1))));
  automaton.addState(automaton::State(label::Label(label::IntegerLabel(2))));
  automaton.addState(automaton::State(label::Label(label::IntegerLabel(3))));
  automaton.addInputSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))));
  automaton.addInputSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))));
  
  automaton.addTransition(automaton::State(label::Label(label::IntegerLabel(1))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))), automaton::State(label::Label(label::IntegerLabel(2))));
  automaton.addTransition(automaton::State(label::Label(label::IntegerLabel(2))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), automaton::State(label::Label(label::IntegerLabel(1))));
  automaton.addTransition(automaton::State(label::Label(label::IntegerLabel(3))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), automaton::State(label::Label(label::IntegerLabel(1))));

  automaton.addFinalState(automaton::State(label::Label(label::IntegerLabel(1))));
  
  automaton::DFA trimed = trim::TrimFSM::trim(automaton);

  CPPUNIT_ASSERT(trimed.getStates().size() == 2);
}

void trimTest::testTrimGrammar() {
  grammar::RightRG rrGrammar(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(1)))));

  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(1)))));
  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(2)))));
  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(3)))));
  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(4)))));
  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(5)))));
  rrGrammar.addNonterminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(6)))));
  rrGrammar.addTerminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))));
  rrGrammar.addTerminalSymbol(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))));
  
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(1)))), std::make_pair(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(2))))));
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(2)))), std::make_pair(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(3))))));
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(3)))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))));

  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(4)))), std::make_pair(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(5))))));
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(5)))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("a")))));
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(5)))), std::make_pair(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(2))))));
  rrGrammar.addRule(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(6)))), std::make_pair(alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::StringLabel("b")))), alphabet::Symbol(alphabet::LabeledSymbol(label::Label(label::IntegerLabel(6))))));

  grammar::RightRG trimed = trim::TrimCFG::trim(rrGrammar);

  CPPUNIT_ASSERT(trimed.getNonterminalAlphabet().size() == 3);
}