/** entry actions of a substate must not be included in a states entry action list */
@Test
public void testSubStateEntryActionExclusion() {
Statechart sc = _createStatechart("test");
Scope scope = _createInterfaceScope("interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
Region r = _createRegion("main", sc);
// Entry e = _createEntry(EntryKind.INITIAL, null, r);
State s2 = _createState("s2", r);
Region s2_r = _createRegion("sub", s2);
State s2_1 = _createState("s2_1", s2_r);
LocalReaction entryAction = _createEntryAction(s2_1);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) entryAction.getEffect());
LocalReaction exitAction = _createExitAction(s2_1);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(43), (ReactionEffect) exitAction.getEffect());
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s2 = flow.getStates().get(0);
ExecutionState _s2_1 = flow.getStates().get(1);
assertEquals(s2.getName(), _s2.getSimpleName());
assertEquals(s2_1.getName(), _s2_1.getSimpleName());
assertNull(_s2.getEntryAction());
assertNotNull(_s2_1.getEntryAction());
assertNull(_s2.getExitAction());
assertNotNull(_s2_1.getExitAction());
}
/** 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());
}
/**
* If a entry trigger is combined with a guard condition then the entry action is executed
* conditionally with this trigger.
*/
@Test
public void testExitActionWithoutGuard() {
Statechart sc = _createStatechart("test");
Scope scope = _createInterfaceScope("interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
Region r = _createRegion("main", sc);
Entry e = _createEntry(EntryKind.INITIAL, null, r);
State s1 = _createState("s1", r);
State s2 = _createState("s2", r);
_createTransition(e, s1);
_createTransition(s1, s2);
LocalReaction exitAction = _createExitAction(s2);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) exitAction.getEffect());
// ((ReactionTrigger)entryAction.getTrigger()).setGuardExpression(_createValue(true));
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
ExecutionState _s2 = flow.getStates().get(1);
assertEquals(s1.getName(), _s1.getSimpleName());
assertEquals(s2.getName(), _s2.getSimpleName());
Sequence _exitSeq = (Sequence) _s2.getExitAction();
assertClass(Sequence.class, _exitSeq.getSteps().get(0));
assertAssignment(
((Sequence) _exitSeq.getSteps().get(0)).getSteps().get(0),
"v1",
AssignmentOperator.ASSIGN,
"42");
}
/** 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());
}
/**
* A leaf state must have a enter sequence. This enter sequence consists of an entry action call
* and a state enter step.
*/
@SuppressWarnings("unused")
@Test
public void testLeafStateEnterSequence() {
Statechart sc = _createStatechart("cs");
Scope scope = _createInterfaceScope("interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
Region r = _createRegion("r", sc);
State s1 = _createState("s1", r);
LocalReaction entryAction = _createEntryAction(s1);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) entryAction.getEffect());
Entry e = _createEntry(EntryKind.INITIAL, null, r);
Transition t = _createTransition(e, s1);
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals(s1.getName(), _s1.getSimpleName());
assertNotNull(_s1.getEntryAction());
assertNotNull(_s1.getEnterSequences().get(0));
assertEquals(2, _s1.getEnterSequences().get(0).getSteps().size());
assertCall(_s1.getEnterSequences().get(0), 0, _s1.getEntryAction());
assertClass(EnterState.class, _s1.getEnterSequences().get(0).getSteps().get(1));
}
@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());
}