public void OnAfterFiveThenOffAfterFivePlusTwenty()
{
var detector = new SmokeDetector();
// 4 seconds at level of 0.6 accumulates detection
for (int i = 0; i < 4; i++)
{
Assert.AreEqual(0, detector.Cycle(0.6));
}
// the 5th second at level 0.6 triggers alarm
Assert.AreEqual(1, detector.Cycle(0.6));
// alarm sounds while detection decays
// through 5 seconds at level 0.1
for (int i = 0; i < 5; i++)
{
Assert.AreEqual(0, detector.Cycle(0.1));
}
// alarm sounds for another 20 seconds
for (int i = 0; i < 20; i++)
{
Assert.AreEqual(0, detector.Cycle(0.1));
}
// 20 seconds without breaching level means
// it is safe to turn off alarm
Assert.AreEqual(-1, detector.Cycle(0.1));
}
public void OnAfterFiveThenOffAfterFivePlusTwenty () {
var detector = new SmokeDetector();
// 4 seconds at level of 0.6 accumulates detection
for (int i = 0; i < 4; i++) {
Assert.AreEqual (0, detector.Cycle (0.6));
}
// the 5th second at level 0.6 triggers alarm
Assert.AreEqual (1, detector.Cycle (0.6));
// alarm sounds while detection decays
// through 5 seconds at level 0.1
for (int i = 0; i < 5; i++) {
Assert.AreEqual (0, detector.Cycle (0.1));
}
// alarm sounds for another 20 seconds
for (int i = 0; i < 20; i++) {
Assert.AreEqual (0, detector.Cycle (0.1));
}
// 20 seconds without breaching level means
// it is safe to turn off alarm
Assert.AreEqual (-1, detector.Cycle (0.1));
}
public void AccumulateDetection()
{
int time = 0, offTime = 0, detected = 0;
bool alarmOn = false, waiting = false;
for (int i = 1; i <= 4; i++)
{
int actual = SmokeDetector.Cycle(0.6,
ref time, ref offTime, ref detected,
ref alarmOn, ref waiting);
Assert.AreEqual(0, actual);
Assert.AreEqual(i, time);
Assert.AreEqual(i, detected);
}
}
