/** if a state defines a exit action then the execution state must have a exitAction. */
@Test
public void testStateExitAction() {
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(s1);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(21), (ReactionEffect) exitAction.getEffect());
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());
assertNotNull(_s1.getExitAction());
assertNull(_s2.getExitAction());
}
/**
* 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());
}
/**
* 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_WithExitAction() {
SimpleFlatTSC tsc = new SimpleFlatTSC();
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
LocalReaction exitAction = _createExitAction(tsc.s1);
AssignmentExpression assign =
_createVariableAssignment(
v1,
AssignmentOperator.ASSIGN,
_createValue(21),
(ReactionEffect) exitAction.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();
assertCall(seq, 0, _s1.getExitSequence());
assertCall(_s1.getExitSequence(), 1, _s1.getExitAction());
}
@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());
}
/**
* A leaf state must have a exit sequence. This exit sequence consists of an exit action call and
* a state exit step.
*/
@Test
public void testLeafStateExitSequence() {
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 = _createExitAction(s1);
_createVariableAssignment(
v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) entryAction.getEffect());
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals(s1.getName(), _s1.getSimpleName());
assertNotNull(_s1.getExitAction());
assertNotNull(_s1.getExitSequence());
assertEquals(2, _s1.getExitSequence().getSteps().size());
assertClass(ExitState.class, _s1.getExitSequence().getSteps().get(0));
assertCall(_s1.getExitSequence(), 1, _s1.getExitAction());
}
/** A final state must have a exit sequence. This exit sequence consists of a state exit step. */
@SuppressWarnings("unused")
@Test
public void testFinalStateExitSequence() {
Statechart sc = _createStatechart("cs");
Scope scope = _createInterfaceScope("interface", sc);
Region r = _createRegion("r", sc);
FinalState fs = _createFinalState(r);
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _fs = flow.getStates().get(0);
assertEquals("_final_0", _fs.getSimpleName());
assertNull(_fs.getExitAction());
assertNotNull(_fs.getExitSequence());
assertEquals(1, _fs.getExitSequence().getSteps().size());
assertClass(ExitState.class, _fs.getExitSequence().getSteps().get(0));
}
/** The enter sequence must be called withnin incoming transitions. */
@SuppressWarnings("unused")
@Test
public void testFinalStateEnterSequenceCall() {
Statechart sc = _createStatechart("sc");
{
InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, s_scope);
EventDefinition e1 = _createEventDefinition("e1", s_scope);
Region r = _createRegion("r", sc);
{
State s1 = _createState("s1", r);
FinalState fs = _createFinalState(r);
Transition t_s1_fs = _createTransition(s1, fs);
_createReactionTrigger(t_s1_fs);
_createRegularEventSpec(e1, (ReactionTrigger) t_s1_fs.getTrigger());
}
}
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals("sc.r.s1", _s1.getName());
ExecutionState _fs = flow.getStates().get(1);
assertEquals("sc.r._final_", _fs.getName());
assertNull(_fs.getEntryAction());
assertNull(_fs.getExitAction());
// the transition s1 -> fs must includes the fs exit sequence call
Sequence cycle = _s1.getReactSequence();
If _if = (If) SCTTestUtil.flattenSequenceStepsAsList(cycle).get(0);
assertCall(_if.getThenStep(), _s1.getReactions().get(0).getEffect());
Sequence _seq = (Sequence) _s1.getReactions().get(0).getEffect();
assertCall(_seq, 1, _fs.getEnterSequences().get(0));
}
/**
* A composite state must have a exit sequence. This exit sequence consists of an exit action call
* and a state switch for all leaf states.
*/
@SuppressWarnings("unused")
@Test
public void testCompositeStateExitSequence_Deep() {
Statechart sc = _createStatechart("sc");
{
InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, s_scope);
EventDefinition e1 = _createEventDefinition("e1", s_scope);
Region r = _createRegion("r", sc);
{
State s1 = _createState("s1", r);
{
_createExitAssignment(v1, s1, 1);
Region r_s1 = _createRegion("r", s1);
{
State s3 = _createState("s3", r_s1);
{
_createExitAssignment(v1, s3, 2);
Region r_s3 = _createRegion("r", s3);
{
State s4 = _createState("s4", r_s3);
_createExitAssignment(v1, s4, 3);
FinalState fs = _createFinalState(r_s3);
}
}
}
}
State s2 = _createState("s2", r);
{
Region r_s1 = _createRegion("r", s2);
{
_createState("s6", r_s1);
}
}
}
}
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals("sc.r.s1", _s1.getName());
ExecutionState _s3 = flow.getStates().get(1);
assertEquals("sc.r.s1.r.s3", _s3.getName());
ExecutionState _s4 = flow.getStates().get(2);
assertEquals("sc.r.s1.r.s3.r.s4", _s4.getName());
ExecutionState _fs = flow.getStates().get(3);
assertEquals("sc.r.s1.r.s3.r._final_", _fs.getName());
ExecutionState _s6 = flow.getStates().get(5);
assertEquals("sc.r.s2.r.s6", _s6.getName());
assertNull(_fs.getEntryAction());
assertNull(_fs.getExitAction());
assertNotNull(_fs.getExitSequence());
assertEquals(2, _s1.getExitSequence().getSteps().size());
ExecutionScope _r_s1 = _s1.getSubScopes().get(0);
assertCall(_s1.getExitSequence(), 0, _r_s1.getExitSequence());
Step _switch = _r_s1.getExitSequence().getSteps().get(0);
assertStateSwitch(_switch, _s4, _fs);
assertCall(
assertedSequence(assertedStateCase(_switch, _s4).getStep()), 0, _s4.getExitSequence());
assertCall(assertedSequence(assertedStateCase(_switch, _s4).getStep()), 1, _s3.getExitAction());
assertCall(
assertedSequence(assertedStateCase(_switch, _fs).getStep()), 0, _fs.getExitSequence());
assertCall(assertedSequence(assertedStateCase(_switch, _fs).getStep()), 1, _s3.getExitAction());
assertCall(_s1.getExitSequence(), 1, _s1.getExitAction());
}
/**
* A composite state must have a exit sequence. This exit sequence consists of an exit action call
* and a state switch for all leaf states.
*/
@SuppressWarnings("unused")
@Test
public void testCompositeStateExitSequence() {
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);
{
_createExitAssignment(v1, s1, 1);
Region r1_s1 = _createRegion("r1", s1);
{
Entry e = _createEntry(EntryKind.INITIAL, null, r1_s1);
State s2 = _createState("s2", r1_s1);
State s3 = _createState("s3", r1_s1);
_createTransition(e, s2);
_createTransition(s2, s3);
}
Region r2_s1 = _createRegion("r2", s1);
{
Entry e = _createEntry(EntryKind.INITIAL, null, r2_s1);
State s4 = _createState("s4", r2_s1);
State s5 = _createState("s5", r2_s1);
State s6 = _createState("s6", r2_s1);
_createTransition(e, s4);
}
}
}
}
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals("s1", _s1.getSimpleName());
ExecutionState _s2 = flow.getStates().get(1);
assertEquals("s2", _s2.getSimpleName());
ExecutionState _s3 = flow.getStates().get(2);
assertEquals("s3", _s3.getSimpleName());
ExecutionState _s4 = flow.getStates().get(3);
assertEquals("s4", _s4.getSimpleName());
ExecutionState _s5 = flow.getStates().get(4);
assertEquals("s5", _s5.getSimpleName());
ExecutionState _s6 = flow.getStates().get(5);
assertEquals("s6", _s6.getSimpleName());
assertNotNull(_s1.getExitAction());
assertNotNull(_s1.getExitSequence());
assertEquals(3, _s1.getExitSequence().getSteps().size());
Sequence _r1_s1 = _s2.getSuperScope().getExitSequence();
assertCall(_s1.getExitSequence(), 0, _r1_s1);
Sequence _r2_s1 = _s4.getSuperScope().getExitSequence();
assertCall(_s1.getExitSequence(), 1, _r2_s1);
Step _switch = _r1_s1.getSteps().get(0);
assertStateSwitch(_switch, _s2, _s3);
assertCall(
assertedSequence(assertedStateCase(_switch, _s2).getStep()), 0, _s2.getExitSequence());
assertCall(
assertedSequence(assertedStateCase(_switch, _s3).getStep()), 0, _s3.getExitSequence());
_switch = _r2_s1.getSteps().get(0);
assertStateSwitch(_switch, _s4, _s5, _s6);
assertCall(
assertedSequence(assertedStateCase(_switch, _s4).getStep()), 0, _s4.getExitSequence());
assertCall(
assertedSequence(assertedStateCase(_switch, _s5).getStep()), 0, _s5.getExitSequence());
assertCall(
assertedSequence(assertedStateCase(_switch, _s6).getStep()), 0, _s6.getExitSequence());
assertCall(_s1.getExitSequence(), 2, _s1.getExitAction());
}
/**
* A final state must be transformed into a execution state with name '_final_'. and must include
* parent reactions.
*/
@SuppressWarnings("unused")
@Test
public void testFinalState() {
Statechart sc = _createStatechart("sc");
{
InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, s_scope);
EventDefinition e1 = _createEventDefinition("e1", s_scope);
Region r = _createRegion("r", sc);
{
State s1 = _createState("s1", r);
{
// a local reaction: "e1 / x=42;"
LocalReaction lr1 = _createLocalReaction(s1, null);
_createRegularEventSpec(e1, (ReactionTrigger) lr1.getTrigger());
ReactionEffect lr1_eff = _createReactionEffect(lr1);
AssignmentExpression assign1 =
_createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);
Region r_s1 = _createRegion("r", s1);
{
State s3 = _createState("s3", r_s1);
{
_createEntryAssignment(v1, s3, 2);
Region r_s3 = _createRegion("r", s3);
{
State s4 = _createState("s4", r_s3);
// _createEntryAssignment(v1, s4, 3);
FinalState fs = _createFinalState(r_s3);
Transition t_s4_fs = _createTransition(findState(sc, "s4"), fs);
_createReactionTrigger(t_s4_fs);
_createRegularEventSpec(e1, (ReactionTrigger) t_s4_fs.getTrigger());
}
}
}
}
State s2 = _createState("s2", r);
{
Region r_s1 = _createRegion("r", s2);
{
_createState("s6", r_s1);
}
}
}
Transition t_s3_s6 = _createTransition(findState(sc, "s3"), findState(sc, "s6"));
_createReactionTrigger(t_s3_s6);
_createRegularEventSpec(e1, (ReactionTrigger) t_s3_s6.getTrigger());
}
ExecutionFlow flow = sequencer.transform(sc);
ExecutionState _s1 = flow.getStates().get(0);
assertEquals("sc.r.s1", _s1.getName());
ExecutionState _s3 = flow.getStates().get(1);
assertEquals("sc.r.s1.r.s3", _s3.getName());
ExecutionState _s4 = flow.getStates().get(2);
assertEquals("sc.r.s1.r.s3.r.s4", _s4.getName());
ExecutionState _fs = flow.getStates().get(3);
assertEquals("sc.r.s1.r.s3.r._final_", _fs.getName());
ExecutionState _s6 = flow.getStates().get(5);
assertEquals("sc.r.s2.r.s6", _s6.getName());
assertNull(_fs.getEntryAction());
assertNull(_fs.getExitAction());
Sequence cycle = _fs.getReactSequence();
Sequence _seq = (Sequence) cycle.getSteps().get(0);
// first entry is the s1 local reaction
List<Step> steps = SCTTestUtil.flattenSequenceStepsAsList(_seq);
If _if = (If) steps.get(0);
assertCall(_if.getThenStep(), _s1.getReactions().get(0).getEffect());
// second entry is the s3 cycle with the transition reaction
_if = (If) steps.get(1);
assertCall(_if.getThenStep(), _s3.getReactions().get(0).getEffect());
assertTrue(_s3.getReactions().get(0).isTransition());
assertNotNull(_if.getElseStep());
}