public void TestStart()
{
// arrange
var util = new AlarmClockUtil();
var occured = 0;
var now = DateTime.Now;
var current = now.Subtract(now.BeginOfDay());
var times = new List<TimeSpan>
{
TimeSpan.FromSeconds(current.TotalSeconds + 10),
TimeSpan.FromSeconds(current.TotalSeconds + 20)
};
util.AlarmOccured += (s, e) => occured++;
// act
util.Start(times);
Task.Delay(30000).Wait();
// assert
Assert.AreEqual(times.Count, occured);
Assert.IsFalse(util.IsRunning);
util.Dispose();
}
public void TestRevolvingStart()
{
// arrange
var util = new AlarmClockUtil();
var now = DateTime.Now;
var nextStart = now.AddHours(1);
var current = now.Subtract(now.BeginOfDay());
var times = new List<TimeSpan>
{
TimeSpan.FromSeconds(current.TotalSeconds + 10),
TimeSpan.FromSeconds(current.TotalSeconds + 3600)
};
var handle = new AutoResetEvent(false);
util.AlarmOccured += (s, e) => handle.Set();
// act
util.Start(times, false);
handle.WaitOne();
// assert
Assert.IsTrue(nextStart.Subtract(util.NextPlannedStart).TotalSeconds <= 0.001d);
Assert.IsTrue(util.IsRunning);
util.Dispose();
}
public void TestStartExceptionOnEmpty()
{
// arrange
var util = new AlarmClockUtil();
var tests = new List<Tuple<IEnumerable<TimeSpan>, Type>>
{
Tuple.Create(Enumerable.Empty<TimeSpan>(), typeof(ArgumentException)),
Tuple.Create((IEnumerable<TimeSpan>)null, typeof(ArgumentNullException))
};
// act & assert
tests.ForEach(
t =>
{
NUnit.Framework.Assert.Throws(t.Item2, () => util.Start(t.Item1));
});
util.Dispose();
}