/**
* 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));
}
/** 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());
}
/** 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));
}
/**
* 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 testFinalStateEnterSequence() {
Statechart sc = _createStatechart("cs");
Scope scope = _createInterfaceScope("interface", sc);
VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
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());
assertSame(fs, _fs.getSourceElement());
assertNull(_fs.getEntryAction());
assertNotNull(_fs.getEnterSequences().get(0));
assertEquals(1, _fs.getEnterSequences().get(0).getSteps().size());
assertClass(EnterState.class, _fs.getEnterSequences().get(0).getSteps().get(0));
}
/**
* A composite state must have a enter sequence. This enter sequence consists of an entry action
* call and a enter sequence call for each sub region.
*/
@Test
public void testCompositeStateEnterSequence() {
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);
{
_createEntryAssignment(v1, s1, 1);
Region r1_s1 = _createRegion("r1", s1);
{
Entry e = _createEntry(EntryKind.INITIAL, null, r1_s1);
State s2 = _createState("s2", r1_s1);
_createTransition(e, s2);
}
Region r2_s1 = _createRegion("r2", s1);
{
Entry e = _createEntry(EntryKind.INITIAL, null, r2_s1);
State s3 = _createState("s3", r2_s1);
_createTransition(e, s3);
}
}
Entry e = _createEntry(EntryKind.INITIAL, null, r);
_createTransition(e, s1);
}
}
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());
assertNotNull(_s1.getEntryAction());
assertNotNull(_s1.getEnterSequences().get(0));
assertEquals(3, _s1.getEnterSequences().get(0).getSteps().size());
assertCall(_s1.getEnterSequences().get(0), 0, _s1.getEntryAction());
assertCall(_s1.getEnterSequences().get(0), 1, _s2.getSuperScope().getEnterSequences().get(0));
Sequence r1EntryReactSequence = flow.getNodes().get(0).getReactSequence();
assertCall(_s2.getSuperScope().getEnterSequences().get(0), 0, r1EntryReactSequence);
assertCall(
((Sequence) r1EntryReactSequence.getSteps().get(0)), 0, _s2.getEnterSequences().get(0));
assertCall(_s1.getEnterSequences().get(0), 2, _s3.getSuperScope().getEnterSequences().get(0));
Sequence r2EntryReactSequence = flow.getNodes().get(1).getReactSequence();
assertCall(_s3.getSuperScope().getEnterSequences().get(0), 0, r2EntryReactSequence);
assertCall(
((Sequence) r2EntryReactSequence.getSteps().get(0)), 0, _s3.getEnterSequences().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));
}
@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));
}