/**
* If a time trigger is defined for a transition then an event must be introduced into the
* execution flow.
*/
@Test
public void testSingleTransitionTimeTrigger() {
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);
Transition t = _createTransition(s, s);
ReactionTrigger tr1 = _createReactionTrigger(t);
_createTimeEventSpec(TimeEventType.AFTER, _createValue(1), TimeUnit.SECOND, tr1);
AssignmentExpression assign =
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) t.getEffect());
ExecutionFlow flow = sequencer.transform(sc);
// assert definition of time event
Scope timerScope = flow.getScopes().get(1);
assertTrue(timerScope.getDeclarations().get(0) instanceof TimeEvent);
TimeEvent te = (TimeEvent) timerScope.getDeclarations().get(0);
// assert that the reaction check checks the time event
assertEquals(1, flow.getStates().size());
ExecutionState _s = flow.getStates().get(0);
assertEquals(s.getName(), _s.getSimpleName());
If _if =
(If)
SCTTestUtil.flattenSequenceStepsAsList(flow.getStates().get(0).getReactSequence())
.get(0);
ElementReferenceExpression _ere = (ElementReferenceExpression) _if.getCheck().getCondition();
assertSame(te, _ere.getReference());
// assert the scheduling of the time event during state entry
assertNotNull(_s.getEntryAction());
Sequence entryAction = (Sequence) _s.getEntryAction();
ScheduleTimeEvent ste = (ScheduleTimeEvent) entryAction.getSteps().get(0);
assertSame(te, ste.getTimeEvent());
NumericalMultiplyDivideExpression multiply =
(NumericalMultiplyDivideExpression) ste.getTimeValue();
assertIntLiteral(1, ((PrimitiveValueExpression) multiply.getLeftOperand()).getValue());
assertIntLiteral(1000, ((PrimitiveValueExpression) multiply.getRightOperand()).getValue());
assertEquals(MultiplicativeOperator.MUL, multiply.getOperator());
// assert the unscheduling of the time events during state exit
assertNotNull(_s.getExitAction());
Sequence exitAction = (Sequence) _s.getExitAction();
UnscheduleTimeEvent ute = (UnscheduleTimeEvent) exitAction.getSteps().get(0);
assertSame(te, ute.getTimeEvent());
}
@Check(CheckType.FAST)
public void checkValueReferenedBeforeDefined(Scope scope) {
EList<Declaration> declarations = scope.getDeclarations();
Set<QualifiedName> defined = Sets.newHashSet();
for (Declaration declaration : declarations) {
if (declaration instanceof VariableDefinition) {
VariableDefinition definition = (VariableDefinition) declaration;
if (!definition.isConst()) return;
Expression initialValue = definition.getInitialValue();
List<Expression> toCheck = Lists.newArrayList(initialValue);
TreeIterator<EObject> eAllContents = initialValue.eAllContents();
while (eAllContents.hasNext()) {
EObject next = eAllContents.next();
if (next instanceof Expression) toCheck.add((Expression) next);
}
for (Expression expression : toCheck) {
EObject referencedObject = null;
if (expression instanceof FeatureCall)
referencedObject = ((FeatureCall) expression).getFeature();
else if (expression instanceof ElementReferenceExpression)
referencedObject = ((ElementReferenceExpression) expression).getReference();
if (referencedObject instanceof VariableDefinition) {
if (!defined.contains(nameProvider.getFullyQualifiedName(referencedObject)))
error(
REFERENCE_CONSTANT_BEFORE_DEFINED,
definition,
StextPackage.Literals.VARIABLE_DEFINITION__INITIAL_VALUE);
}
}
defined.add(nameProvider.getFullyQualifiedName(definition));
}
}
}
@Test
public void testSingleLocalTimeTrigger() {
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 =
_createTimeTriggeredReaction(s, TimeEventType.AFTER, _createValue(2), TimeUnit.MILLISECOND);
AssignmentExpression assign =
_createVariableAssignment(
v1,
AssignmentOperator.ASSIGN,
_createValue(42),
(ReactionEffect) timeTriggeredReaction.getEffect());
ExecutionFlow flow = sequencer.transform(sc);
Scope timerScope = flow.getScopes().get(1);
assertTrue(timerScope.getDeclarations().get(0) instanceof TimeEvent);
TimeEvent te = (TimeEvent) timerScope.getDeclarations().get(0);
// assert that the reaction check checks the time event
ExecutionState _s = flow.getStates().get(0);
// assert the scheduling of the time event during state entry
assertNotNull(_s.getEntryAction());
Sequence entryAction = (Sequence) _s.getEntryAction();
ScheduleTimeEvent ste = (ScheduleTimeEvent) entryAction.getSteps().get(0);
assertSame(te, ste.getTimeEvent());
PrimitiveValueExpression value = (PrimitiveValueExpression) ste.getTimeValue();
assertIntLiteral(2, value.getValue());
assertNotNull(_s.getExitAction());
Sequence exitAction = (Sequence) _s.getExitAction();
UnscheduleTimeEvent ute = (UnscheduleTimeEvent) exitAction.getSteps().get(0);
assertSame(te, ute.getTimeEvent());
}
protected void _declareContents(final Scope scope) throws NumberFormatException {
EList<Declaration> _declarations = scope.getDeclarations();
for (final Declaration declaration : _declarations) {
this.addToScope(declaration);
}
}
