public void ManyChecks()
{
var alerter = new ThresholdAlerter();
var handler = new HandlerMock();
for (int i = 0; i < 1000; i += 10)
{
alerter.Add(i, handler.AlertHandler);
}
for (int i = 0; i < 10000; i++)
{
alerter.Check(i);
}
Assert.Equal(100, handler.CallCount);
Assert.Equal(990, handler.ReachedThreshold);
}
public void AlertWhenValueGoesDownAndUpThreshold()
{
var handler = new HandlerMock();
var alerter = new ThresholdAlerter();
alerter.Add(10, handler.AlertHandler);
alerter.Add(20, handler.AlertHandler);
// Alert
alerter.Check(20);
Assert.Equal(1, handler.CallCount);
Assert.Equal(20, handler.ReachedThreshold);
// No alert
alerter.Check(0);
Assert.Equal(1, handler.CallCount);
// Alert again
alerter.Check(17);
Assert.Equal(2, handler.CallCount);
Assert.Equal(10, handler.ReachedThreshold);
}
