public void AlgorithmInterpreterPauseResume()
{
var program = new AlgorithmProgram("MyApp");
var firstClass = new AlgorithmClassDeclaration("FirstClass");
var firstMethod = new AlgorithmClassMethodDeclaration("FirstMethod", false);
firstMethod.Arguments.Add(new AlgorithmParameterDeclaration("num"));
firstMethod.Statements.Add(new AlgorithmConditionStatement(new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("num"), AlgorithmBinaryOperatorType.GreaterThan, new AlgorithmPrimitiveExpression(1)), new AlgorithmStatementCollection()
{
new AlgorithmReturnStatement(new AlgorithmInvokeMethodExpression(new AlgorithmThisReferenceExpression(), "FirstMethod", new AlgorithmBinaryOperatorExpression(new AlgorithmVariableReferenceExpression("num"), AlgorithmBinaryOperatorType.Subtraction, new AlgorithmPrimitiveExpression(1))))
}, null));
firstMethod.Statements.Add(new AlgorithmReturnStatement(new AlgorithmVariableReferenceExpression("num")));
firstClass.Members.Add(firstMethod);
var entryPoint = new AlgorithmEntryPointMethod();
entryPoint.Statements.Add(new AlgorithmReturnStatement(new AlgorithmInvokeMethodExpression(new AlgorithmThisReferenceExpression(), "FirstMethod", new AlgorithmPrimitiveExpression(90000000))));
firstClass.Members.Add(entryPoint);
program.Classes.Add(firstClass);
program.UpdateEntryPointPath();
var algorithmInterpreter = new AlgorithmInterpreter(program);
var task = algorithmInterpreter.StartAsync(debugMode: true);
Task.Delay(TimeSpan.FromSeconds(1)).Wait();
algorithmInterpreter.Pause();
Task.Delay(TimeSpan.FromSeconds(2)).Wait();
Assert.AreEqual(algorithmInterpreter.StateChangeHistory.Last().State, AlgorithmInterpreterState.Pause);
algorithmInterpreter.Resume();
Task.Delay(TimeSpan.FromSeconds(2)).Wait();
algorithmInterpreter.Stop();
Task.Delay(TimeSpan.FromSeconds(2)).Wait();
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[0].State, AlgorithmInterpreterState.Ready);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[1].State, AlgorithmInterpreterState.Preparing);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[2].State, AlgorithmInterpreterState.Running);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory[3].State, AlgorithmInterpreterState.Log);
Assert.AreEqual(algorithmInterpreter.StateChangeHistory.Last().State, AlgorithmInterpreterState.Stopped);
Assert.AreEqual(algorithmInterpreter.State, AlgorithmInterpreterState.Stopped);
}