protected Object _execute(final Call call) throws ExecutionException {
   Object _xblockexpression = null;
   {
     Step _step = call.getStep();
     this.execute(_step);
     _xblockexpression = (null);
   }
   return _xblockexpression;
 }
  @Test
  public void testStateCycle() {
    OrthogonalFlatTSC tsc = new OrthogonalFlatTSC();

    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());
    assertNotNull(s1.getReactSequence());

    Step step = s1.getReactSequence().getSteps().get(0);
    If _if = (If) assertedSequence(assertedSequence(step).getSteps().get(0)).getSteps().get(0);
    assertNotNull(_if.getThenStep());
    assertClass(Call.class, _if.getThenStep());
    assertNull(_if.getElseStep());

    Call seq = (Call) _if.getThenStep();
    assertEquals(s1.getReactions().get(0).getEffect(), seq.getStep());

    // assertTrue(seq.getSteps().get(0) instanceof ExitState);
    // assertEquals(s1, ((ExitState)seq.getSteps().get(0)).getState());
    // assertTrue(seq.getSteps().get(1) instanceof EnterState);
    // assertEquals(s2, ((EnterState)seq.getSteps().get(1)).getState());
    //

    // test state with two outgoing transitions
    ExecutionState s3 = flow.getStates().get(2);
    assertEquals(tsc.s3.getName(), s3.getSimpleName());
    assertNotNull(s3.getReactSequence());

    step = s3.getReactSequence().getSteps().get(0);
    _if = (If) step;
    assertNotNull(_if.getThenStep());
    assertClass(Call.class, _if.getThenStep());
    assertNotNull(_if.getElseStep());
    assertClass(If.class, _if.getElseStep());
  }
  /**
   * Local reactions that define regular and entry triggers side by side must also be part of the
   * cycle steps.
   */
  @SuppressWarnings("unused")
  @Test
  public void testStateCycle_LocalReactionWithMixedRegularAndEntryTrigger() {
    MinimalTSC tsc = new MinimalTSC();

    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);

    // add a simple entry action: "entry / x=42;"
    LocalReaction lr = _createEntryAction(tsc.s1);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr.getTrigger());
    ReactionEffect lr_eff = _createReactionEffect(lr);
    AssignmentExpression assign1 =
        _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr_eff);

    // TRANSFORM
    ExecutionFlow flow = sequencer.transform(tsc.sc);

    // test state with one outgoing transition
    ExecutionState s1 = flow.getStates().get(0);

    assertEquals(1, s1.getReactions().size());
    assertNotNull(s1.getReactSequence());
    assertEquals(1, s1.getReactSequence().getSteps().size());

    Sequence _seq = (Sequence) s1.getReactSequence().getSteps().get(0);

    If _lr1 =
        (If)
            assertedSequence(assertedSequence(_seq.getSteps().get(0)).getSteps().get(0))
                .getSteps()
                .get(0);
    assertClass(ElementReferenceExpression.class, _lr1.getCheck().getCondition());
    assertSame(s1.getReactions().get(0).getCheck().getCondition(), _lr1.getCheck().getCondition());
    Call _lr1_eff_call = (Call) _lr1.getThenStep();
    assertSame(s1.getReactions().get(0).getEffect(), _lr1_eff_call.getStep());
  }
  /**
   * The cycle sequence of a state that only consists of local reactions includes sequential
   * processing of the local reactions.
   */
  @SuppressWarnings("unused")
  @Test
  public void testStateCycle_WithLocalReactionsOnly() {
    MinimalTSC tsc = new MinimalTSC();

    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);

    // the first local reaction conforms to "e1 / x=42;"
    LocalReaction lr1 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr1.getTrigger());
    ReactionEffect lr1_eff = _createReactionEffect(lr1);
    AssignmentExpression assign1 =
        _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);

    // the secont local reaction conforms to "e1 [x==42] / x=0;"
    LocalReaction lr2 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr2.getTrigger());
    LogicalRelationExpression lr2_equals =
        ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr2_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr2_varRef =
        ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr2_varRef.setReference(v1);
    PrimitiveValueExpression lr2_value = _createValue(42);
    lr2_equals.setLeftOperand(lr2_varRef);
    lr2_equals.setRightOperand(lr2_value);
    ((ReactionTrigger) lr2.getTrigger()).setGuard(createGuardExpression(lr2_equals));
    ReactionEffect lr2_eff = _createReactionEffect(lr2);
    AssignmentExpression assign2 =
        _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(0), lr2_eff);

    // the third local reaction conforms to: "[x==0] / x=1;"
    LocalReaction lr3 = _createLocalReaction(tsc.s1, null);
    LogicalRelationExpression lr3_equals =
        ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr3_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr3_varRef =
        ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr3_varRef.setReference(v1);
    PrimitiveValueExpression lr3_value = _createValue(0);
    lr3_equals.setLeftOperand(lr3_varRef);
    lr3_equals.setRightOperand(lr3_value);
    ((ReactionTrigger) lr3.getTrigger()).setGuard(createGuardExpression(lr3_equals));
    ReactionEffect lr3_eff = _createReactionEffect(lr3);
    AssignmentExpression assign3 =
        _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(1), lr3_eff);

    ExecutionFlow flow = sequencer.transform(tsc.sc);

    // test state with one outgoing transition
    ExecutionState s1 = flow.getStates().get(0);
    assertEquals(tsc.s1.getName(), s1.getSimpleName());

    assertEquals(3, s1.getReactions().size());

    assertNotNull(s1.getReactSequence());

    Step step = s1.getReactSequence().getSteps().get(0);
    Sequence _seq =
        (Sequence) assertedSequence(assertedSequence(step).getSteps().get(0)).getSteps().get(0);
    assertEquals(3, _seq.getSteps().size());

    // check first local reaction
    If _lr1 = (If) _seq.getSteps().get(0);
    assertClass(ElementReferenceExpression.class, _lr1.getCheck().getCondition());
    assertSame(s1.getReactions().get(0).getCheck().getCondition(), _lr1.getCheck().getCondition());
    Call _lr1_eff_call = (Call) _lr1.getThenStep();
    assertSame(s1.getReactions().get(0).getEffect(), _lr1_eff_call.getStep());

    // check second local reaction
    If _lr2 = (If) _seq.getSteps().get(1);
    assertClass(LogicalAndExpression.class, _lr2.getCheck().getCondition());
    assertSame(s1.getReactions().get(1).getCheck().getCondition(), _lr2.getCheck().getCondition());
    Call _lr2_eff_call = (Call) _lr2.getThenStep();
    assertSame(s1.getReactions().get(1).getEffect(), _lr2_eff_call.getStep());

    // check the third local reaction
    If _lr3 = (If) _seq.getSteps().get(2);
    assertClass(LogicalRelationExpression.class, _lr3.getCheck().getCondition());
    assertSame(s1.getReactions().get(2).getCheck().getCondition(), _lr3.getCheck().getCondition());
    Call _lr3_eff_call = (Call) _lr3.getThenStep();
    assertSame(s1.getReactions().get(2).getEffect(), _lr3_eff_call.getStep());
  }