public void ReturnValidResult()
{
var mathResolver = new MathOperationResolver();
Assert.Equal(4, mathResolver.GetResult("2+2"));
Assert.Equal(14, mathResolver.GetResult("4+5*2"));
Assert.Equal(6.5, mathResolver.GetResult("4+5/2"));
Assert.Equal(5.5, mathResolver.GetResult("4+5/2-1"));
}
public void StartApp()
{
outStream("Welcome in MathifyString!");
string mathOperationString = null;
var resolver = new MathOperationResolver();
while (true)
{
outStream($"--------------------------------------------");
outStream($"Enter a mathematical operation using integers " +
$"or operations characters like + - * /");
outStream("For get result press enter or press q for quit:");
mathOperationString = inStream();
if (mathOperationString == "q")
{
break;
}
try
{
var result = resolver.GetResult(mathOperationString);
outStream($"Result is:{result}!");
} catch (Exception e)
{
outStream("Error:" + e.Message);
}
}
}