private async Task Sum()
{
var result = _mathOperationsService.Sum(FirstValue, SecondValue);
var message = $"Result of {FirstValue} + {SecondValue} = {result}";
await _windowsApiService.ShowMessage(message);
}
public void AssertSumReturnCorrectValue(double firstNumber, double secondNumber, double expected)
{
var actual = _mathOperationsService.Sum(firstNumber, secondNumber);
Assert.Equal(expected, actual);
}