public void TestNotifyEachWithTimespan() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.NotifyEach(
TimeSpan.FromHours(12), TimeSpan.FromHours(1), subscriber.Callback
);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(14));
// Wait for 3 invocations of the callback. We might not catch each trigger
// of the AutoResetEvent, but we know that it will be 3 at most.
for(int invocation = 0; invocation < 3; ++invocation) {
Assert.IsTrue(subscriber.WaitForCallback(1000));
if(subscriber.CallbackCount == 3) {
break;
}
}
}
}
}
public void TestCancelFinalNotification() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.Cancel(
scheduler.NotifyIn(TimeSpan.FromHours(12), subscriber.Callback)
);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(14));
Thread.Sleep(1);
}
}
}
public void TestInverseOrderNotification() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber1 = new TestSubscriber()) {
using(TestSubscriber subscriber2 = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.NotifyIn(TimeSpan.FromHours(24), subscriber1.Callback);
scheduler.NotifyIn(TimeSpan.FromHours(12), subscriber2.Callback);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(18));
Assert.IsTrue(subscriber2.WaitForCallback(1000));
Assert.AreEqual(0, subscriber1.CallbackCount);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(18));
Assert.IsTrue(subscriber1.WaitForCallback(1000));
}
}
}
}
public void TestTwoNotificationsAtSameTime() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber1 = new TestSubscriber()) {
using(TestSubscriber subscriber2 = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.NotifyIn(60000, subscriber1.Callback);
scheduler.NotifyIn(60000, subscriber2.Callback);
mockTimeSource.AdvanceTime(TimeSpan.FromMilliseconds(60000));
Assert.IsTrue(subscriber1.WaitForCallback(1000));
Assert.IsTrue(subscriber2.WaitForCallback(1000));
}
}
}
}
public void TestCancelNotification() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber1 = new TestSubscriber()) {
using(TestSubscriber subscriber2 = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
object handle = scheduler.NotifyIn(
TimeSpan.FromHours(24), subscriber1.Callback
);
scheduler.NotifyIn(TimeSpan.FromHours(36), subscriber2.Callback);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(12));
scheduler.Cancel(handle);
mockTimeSource.AdvanceTime(TimeSpan.FromHours(24));
// Wait for the second subscriber to be notified. This is still a race
// condition (there's no guarantee the thread pool will run tasks in
// the order they were added), but it's the best we can do without
// relying on an ugly Thread.Sleep() in this test.
Assert.IsTrue(subscriber2.WaitForCallback(1000));
Assert.AreEqual(0, subscriber1.CallbackCount);
}
}
}
}
public void TestNotifyAtWithDateTimeAdjustment() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.NotifyAt(makeUtc(new DateTime(2010, 1, 2)), subscriber.Callback);
// Let 12 hours pass, after that, we simulate a time synchronization
// that puts the system 12 hours ahead of the original time.
mockTimeSource.AdvanceTime(TimeSpan.FromHours(12));
mockTimeSource.AdjustTime(new DateTime(2010, 1, 2));
Assert.IsTrue(subscriber.WaitForCallback(1000));
}
}
}
public void TestNotifyAt() {
MockTimeSource mockTimeSource = new MockTimeSource(new DateTime(2010, 1, 1));
using(TestSubscriber subscriber = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler(mockTimeSource)) {
scheduler.NotifyAt(makeUtc(new DateTime(2010, 1, 2)), subscriber.Callback);
mockTimeSource.AdvanceTime(TimeSpan.FromDays(1));
Assert.IsTrue(subscriber.WaitForCallback(1000));
}
}
}
public void TestThrowOnNotifyAtWithUnspecifiedDateTimeKind() {
using(TestSubscriber subscriber = new TestSubscriber()) {
using(Scheduler scheduler = new Scheduler()) {
Assert.Throws<ArgumentException>(
delegate() {
scheduler.NotifyAt(new DateTime(2000, 1, 1), subscriber.Callback);
}
);
}
}
}
public void TestDefaultConstructor() {
using(Scheduler scheduler = new Scheduler()) { }
}
