public async Task Calc(CalculationContext context)
{
var input = await _inputService.GetInput();
while (input != null)
{
try
{
context.Execute(input);
}
catch (ParameterCountNotMatchExceptions e)
{
await _outputService.Output(e.Message);
}
catch (InvalidOperationException invalidOperation)
{
await _outputService.Output(invalidOperation.Message);
}
catch (Exception unExpectedException)
{
if (IsDebugEnable)
{
await _outputService.Output(unExpectedException.ToString());
}
else
{
await _outputService.Output("system err");
}
}
await _outputService.Output(ViewModelBuilder.PresentStack(context.CalculationData));
input = await _inputService.GetInput();
}
}
public void Test_Invalid_Input()
{
var context = new CalculationContext();
var list = new List <InputDto>();
list.Add(new InputDto("5", 0));
list.Add(new InputDto("2", 3));
list.Add(new InputDto("-", 5));
list.Add(new InputDto("invalid", 7));
Assert.Throws <InvalidOperationException>(() => context.Execute(list));
}
public void Test_ApplicationInput()
{
var context = new CalculationContext();
var list = new List <InputDto>();
list.Add(new InputDto("5", 0));
list.Add(new InputDto("2", 3));
context.Execute(list);
context.CalculationData.Count.Should().Be(2);
context.CalculationData.Pop().Should().Be(2);
context.CalculationData.Pop().Should().Be(5);
context.HistoricalData.Count.Should().Be(2);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(ApplicationOperationType.Input.Name);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(ApplicationOperationType.Input.Name);
}
public void Test_Application_Operation()
{
var context = new CalculationContext();
var list = new List <InputDto>();
list.Add(new InputDto("5", 0));
list.Add(new InputDto("2", 3));
list.Add(new InputDto("-", 5));
list.Add(new InputDto("clear", 7));
context.Execute(list);
context.CalculationData.Count.Should().Be(0);
context.HistoricalData.Count.Should().Be(4);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(ApplicationOperationType.Clear.Name);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(CalculationOperationType.Sub.Name);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(ApplicationOperationType.Input.Name);
context.HistoricalData.Pop().CalculationOperation.Should().Equals(ApplicationOperationType.Input.Name);
}