/** The exit action must be part of the reaction effect sequence */
@SuppressWarnings("unused")
@Test
public void testStateReaction_WithEntryAction() {
SimpleFlatTSC tsc = new SimpleFlatTSC();
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
LocalReaction entryAction = _createEntryAction(tsc.s2);
AssignmentExpression assign =
_createVariableAssignment(
v1,
AssignmentOperator.ASSIGN,
_createValue(21),
(ReactionEffect) entryAction.getEffect());
ExecutionFlow flow = sequencer.transform(tsc.sc);
// test state with one outgoing transition
ExecutionState _s1 = flow.getStates().get(0);
ExecutionState _s2 = flow.getStates().get(1);
assertEquals(tsc.s1.getName(), _s1.getSimpleName());
assertEquals(tsc.s2.getName(), _s2.getSimpleName());
assertEquals(1, _s1.getReactions().size());
Reaction reaction = _s1.getReactions().get(0);
assertNotNull(reaction.getCheck());
assertNotNull(reaction.getEffect());
Sequence seq = (Sequence) reaction.getEffect();
assertEquals(2, seq.getSteps().size());
assertCall(seq, 0, _s1.getExitSequence());
assertCall(seq, 1, _s2.getEnterSequences().get(0));
assertCall(_s2.getEnterSequences().get(0), 0, _s2.getEntryAction());
}
/** Local reactions must be created for behavior with 'always' trigger */
@Test
public void testAlwaysLocalReaction() {
Statechart sc = _createStatechart("test");
Scope scope = _createInterfaceScope("interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
Region r = _createRegion("main", sc);
State s = _createState("s", r);
LocalReaction timeTriggeredReaction =
_createLocalReaction(s, StextFactory.eINSTANCE.createAlwaysEvent());
AssignmentExpression assign =
_createVariableAssignment(
v1,
AssignmentOperator.ASSIGN,
_createValue(42),
(ReactionEffect) timeTriggeredReaction.getEffect());
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s = flow.getStates().get(0);
// assert that a local reaction is created
Reaction reaction = _s.getReactions().get(0);
PrimitiveValueExpression pve = (PrimitiveValueExpression) reaction.getCheck().getCondition();
assertBoolLiteral(true, pve.getValue());
}
/** The transition action must be part of the reaction effect sequence */
@Test
public void testStateReaction_WithTransitionAction() {
SimpleFlatTSC tsc = new SimpleFlatTSC();
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
ReactionEffect effect = _createReactionEffect(tsc.t1);
AssignmentExpression assign =
_createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), effect);
ExecutionFlow flow = sequencer.transform(tsc.sc);
// test state with one outgoing transition
ExecutionState s1 = flow.getStates().get(0);
ExecutionState s2 = flow.getStates().get(1);
assertEquals(tsc.s1.getName(), s1.getSimpleName());
assertEquals(tsc.s2.getName(), s2.getSimpleName());
assertEquals(1, s1.getReactions().size());
Reaction reaction = s1.getReactions().get(0);
assertNotNull(reaction.getCheck());
assertNotNull(reaction.getEffect());
Sequence seq = (Sequence) reaction.getEffect();
assertCall(seq, 0, s1.getExitSequence());
assertClass(Sequence.class, seq.getSteps().get(1));
Execution _exec = (Execution) ((Sequence) seq.getSteps().get(1)).getSteps().get(0);
AssignmentExpression _assign = (AssignmentExpression) _exec.getStatement();
assertNotSame(_assign, assign);
assertNotSame(_assign.getVarRef(), assign.getVarRef());
assertNotSame(_assign.getVarRef(), v1);
assertCall(seq, 2, s2.getEnterSequences().get(0));
}
@Test
public void testTransitionCheckSequenceWithGuard() {
EventDefinition e1 = _createEventDefinition("e1", null);
EventDefinition e2 = _createEventDefinition("e2", null);
ReactionTrigger tr1 = _createReactionTrigger(null);
_createRegularEventSpec(e1, tr1);
_createRegularEventSpec(e2, tr1);
PrimitiveValueExpression exp = _createValue(false);
tr1.setGuard(createGuardExpression(exp));
Transition t = SGraphFactory.eINSTANCE.createTransition();
t.setTrigger(tr1);
Statechart sc = _createStatechart("test");
Region region = _createRegion("r1", sc);
t.setSource(_createState("A", region));
t.setTarget(_createState("B", region));
Reaction reaction = behaviorMapping.mapTransition(t);
// now check the expression structure ...
// the root is an and condition with the trigger check as the first
// (left) part and the guard as the right (second) part.
LogicalAndExpression and = (LogicalAndExpression) reaction.getCheck().getCondition();
LogicalOrExpression triggerCheck = (LogicalOrExpression) and.getLeftOperand();
PrimitiveValueExpression guardCheck = (PrimitiveValueExpression) and.getRightOperand();
assertClass(ElementReferenceExpression.class, triggerCheck.getLeftOperand());
assertClass(ElementReferenceExpression.class, triggerCheck.getRightOperand());
assertEquals(
e1.getName(),
((NamedElement) ((ElementReferenceExpression) triggerCheck.getLeftOperand()).getReference())
.getName());
assertEquals(
e2.getName(),
((NamedElement)
((ElementReferenceExpression) triggerCheck.getRightOperand()).getReference())
.getName());
assertBoolLiteral(false, guardCheck.getValue());
}
@Test
public void testStateReaction_SimpleFlatTSC() {
SimpleFlatTSC tsc = new SimpleFlatTSC();
ExecutionFlow flow = sequencer.transform(tsc.sc);
// test state with one outgoing transition
ExecutionState s1 = flow.getStates().get(0);
ExecutionState s2 = flow.getStates().get(1);
assertEquals(tsc.s1.getName(), s1.getSimpleName());
assertEquals(tsc.s2.getName(), s2.getSimpleName());
assertEquals(1, s1.getReactions().size());
Reaction reaction = s1.getReactions().get(0);
assertNotNull(reaction.getCheck());
assertNotNull(reaction.getEffect());
Sequence seq = (Sequence) reaction.getEffect();
assertCall(seq, 0, s1.getExitSequence());
assertCall(seq, 1, s2.getEnterSequences().get(0));
}
@Test
public void testTransitionCheckSequenceWithoutTrigger() {
ReactionTrigger tr1 = _createReactionTrigger(null);
PrimitiveValueExpression exp = _createValue(false);
tr1.setGuard(createGuardExpression(exp));
Transition t = SGraphFactory.eINSTANCE.createTransition();
t.setTrigger(tr1);
Statechart sc = _createStatechart("test");
Region region = _createRegion("r1", sc);
t.setSource(_createState("A", region));
t.setTarget(_createState("B", region));
Reaction reaction = behaviorMapping.mapTransition(t);
// now check the expression structure ...
// the root is an and condition with the trigger check as the first
// (left) part and the guard as the right (second) part.
PrimitiveValueExpression guard = (PrimitiveValueExpression) reaction.getCheck().getCondition();
assertBoolLiteral(false, guard.getValue());
}
@Test
public void testTransitionCheckSequenceWithoutGuard() {
EventDefinition e1 = _createEventDefinition("e1", null);
EventDefinition e2 = _createEventDefinition("e2", null);
ReactionTrigger tr1 = _createReactionTrigger(null);
_createRegularEventSpec(e1, tr1);
_createRegularEventSpec(e2, tr1);
Transition t = SGraphFactory.eINSTANCE.createTransition();
t.setTrigger(tr1);
Statechart sc = _createStatechart("test");
Region region = _createRegion("r1", sc);
t.setSource(_createState("A", region));
t.setTarget(_createState("B", region));
Reaction reaction = behaviorMapping.mapTransition(t);
assertTrue(reaction.getCheck().getCondition() instanceof LogicalOrExpression);
assertClass(
ElementReferenceExpression.class,
((LogicalOrExpression) reaction.getCheck().getCondition()).getLeftOperand());
assertClass(
ElementReferenceExpression.class,
((LogicalOrExpression) reaction.getCheck().getCondition()).getRightOperand());
assertEquals(
e1.getName(),
((NamedElement)
((ElementReferenceExpression)
((LogicalOrExpression) reaction.getCheck().getCondition()).getLeftOperand())
.getReference())
.getName());
assertEquals(
e2.getName(),
((NamedElement)
((ElementReferenceExpression)
((LogicalOrExpression) reaction.getCheck().getCondition())
.getRightOperand())
.getReference())
.getName());
}