public void IndicatesElapseTimeAndCurrentMaxPrimeNumber()
{
string message = null;
Action <string> displayLogger = x => { message = x; };
LargestPrimeNumberCalculatorAction.Execute(0, displayLogger);
message.Should().Contain("second", "should display the timer progress");
message.Should().Contain("prime", "should display the highest numbers calculated along the way");
}
public void RunsForGivenAmountOfTime(int expectedExecuteionTime)
{
var timer = new Stopwatch();
timer.Start();
LargestPrimeNumberCalculatorAction.Execute(expectedExecuteionTime);
timer.Stop();
timer.Elapsed.Milliseconds.Should().BeInRange(expectedExecuteionTime - 10, expectedExecuteionTime + 10);
}
public void CalculatesALargerPrimeNumberForAGivenPeriodOfTime()
{
var result = LargestPrimeNumberCalculatorAction.Execute(10);
result.Should().BeGreaterThan(2);
}