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#include <list>
#include "AutomataUnionTest.h"
#include "automaton/transform/AutomataUnionCartesianProduct.h"
#include "automaton/transform/AutomataUnionEpsilonTransition.h"
#include "automaton/simplify/MinimizeBrzozowski.h"
#include "automaton/simplify/Normalize.h"
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#include "automaton/simplify/Trim.h"
#include "automaton/simplify/Total.h"
#include "automaton/determinize/Determinize.h"
#define CPPUNIT_IMPLY(x, y) CPPUNIT_ASSERT(!(x) || (y))
CPPUNIT_TEST_SUITE_REGISTRATION( AutomataUnionTest );
void AutomataUnionTest::setUp() {
}
void AutomataUnionTest::tearDown() {
}
void AutomataUnionTest::testAutomataUnion() {
// based on Melichar, 2.72
automaton::State q1a("1"), q2a("2"), q0a("0"), q1b("1'"), q2b("2'"), q0b("0'");
automaton::State q11("11"), q20("20"), q00("00"), q02("02");
alphabet::Symbol a(alphabet::symbolFrom('a')), b(alphabet::symbolFrom('b'));
automaton::DFA m1(q1a);
automaton::DFA m2(q1b);
automaton::DFA m3(q11);
m1.setInputSymbols({a, b});
m1.setStates({q1a, q2a, q0a});
m1.addTransition(q1a, a, q2a);
m1.addTransition(q1a, b, q0a);
m1.addTransition(q2a, a, q2a);
m1.addTransition(q2a, b, q0a);
m1.addTransition(q0a, a, q0a);
m1.addTransition(q0a, b, q0a);
m1.addFinalState(q2a);
m2.setInputSymbols({a, b});
m2.setStates({q1b, q2b});
m2.addTransition(q1b, b, q2b);
m2.addTransition(q2b, b, q2b);
m2.addFinalState(q2b);
m3.setInputSymbols({a, b});
m3.setStates({q11, q20, q00, q02});
m3.addTransition(q11, a, q20);
m3.addTransition(q11, b, q02);
m3.addTransition(q20, a, q20);
m3.addTransition(q20, b, q00);
m3.addTransition(q00, a, q00);
m3.addTransition(q00, b, q00);
m3.addTransition(q02, a, q00);
m3.addTransition(q02, b, q02);
m3.setFinalStates({q20, q02});
auto u1 = automaton::transform::AutomataUnionEpsilonTransition::unification(automaton::Automaton(m1), automaton::Automaton(m2));
CPPUNIT_ASSERT_THROW(automaton::transform::AutomataUnionCartesianProduct::unification(automaton::Automaton(m1), automaton::Automaton(m2)), exception::AlibException);
CPPUNIT_ASSERT_THROW(automaton::transform::AutomataUnionCartesianProduct::unification(automaton::Automaton(automaton::NFA(m1)), automaton::Automaton(m2)), exception::AlibException);
auto u2 = automaton::transform::AutomataUnionEpsilonTransition::unification(automaton::Automaton(automaton::simplify::Total::total(m1)), automaton::Automaton(automaton::simplify::Total::total(m2)));
automaton::Automaton umdfa(automaton::simplify::Normalize::normalize(automaton::simplify::Trim::trim(automaton::simplify::MinimizeBrzozowski::minimize(automaton::simplify::EpsilonRemoverIncoming::remove(m3)))));
automaton::Automaton umdfa1(automaton::simplify::Normalize::normalize(automaton::simplify::Trim::trim(automaton::simplify::MinimizeBrzozowski::minimize(automaton::simplify::EpsilonRemoverIncoming::remove(u1)))));
automaton::Automaton umdfa2(automaton::simplify::Normalize::normalize(automaton::simplify::Trim::trim(automaton::simplify::MinimizeBrzozowski::minimize(automaton::simplify::EpsilonRemoverIncoming::remove(u2)))));
CPPUNIT_ASSERT(umdfa1 == umdfa);
CPPUNIT_ASSERT(umdfa2 == umdfa);
}