public void FlowSwitchHavingCaseWithNullKeyEvaluateNull()
{
TestFlowchart flowchart = new TestFlowchart();
Variable <Complex> complexVar = VariableHelper.CreateInitialized <Complex>("complexVar", (Complex)null);
flowchart.Variables.Add(complexVar);
Dictionary <Complex, TestActivity> cases = new Dictionary <Complex, TestActivity>();
cases.Add(new Complex(0, 0), new TestWriteLine("One", "One"));
cases.Add(new Complex(1, 0), new TestWriteLine("Two", "Two"));
cases.Add(new Complex(2, 0), new TestWriteLine("Three", "Three"));
List <int> hints = new List <int>()
{
-1
};
TestFlowSwitch <Complex> flowSwitch = flowchart.AddSwitchLink <Complex>(new TestWriteLine("Start", "Flowchart started"), cases, hints, e => complexVar.Get(e)) as TestFlowSwitch <Complex>;
((FlowSwitch <Complex>)flowSwitch.GetProductElement()).Cases.Add(null, new FlowStep {
Action = new BlockingActivity("Blocking")
});
using (TestWorkflowRuntime runtime = TestRuntime.CreateTestWorkflowRuntime(flowchart))
{
runtime.ExecuteWorkflow();
runtime.WaitForActivityStatusChange("Blocking", TestActivityInstanceState.Executing);
runtime.ResumeBookMark("Blocking", null);
runtime.WaitForCompletion(false);
}
}
public void FlowSwitchWithExpressionNull()
{
TestFlowchart flowchart1 = new TestFlowchart("flowChart1");
TestWriteLine start1 = new TestWriteLine("Start", "Executing Start");
TestWriteLine w1 = new TestWriteLine("W1", "Executing W1");
TestWriteLine w2 = new TestWriteLine("W2", "Executing W2");
TestWriteLine wDefault = new TestWriteLine("wDefault", "Executing wDefault");
Dictionary <object, TestActivity> cases = new Dictionary <object, TestActivity>();
cases.Add("One", w1);
cases.Add("Two", w2);
List <int> hints = new List <int>();
hints.Add(-1);
TestFlowSwitch <object> fSwitch = (TestFlowSwitch <object>)flowchart1.AddSwitchLink <object>(start1, cases, hints, (object)null, wDefault);
((FlowSwitch <object>)fSwitch.GetProductElement()).Expression = null; // I had to use the product to set a null value to Expression
TestRuntime.ValidateInstantiationException(flowchart1, string.Format(ErrorStrings.FlowSwitchRequiresExpression, flowchart1.DisplayName));
}