/// <summary>
/// With maximum simultaneous running jobs
/// </summary>
//[TestMethod]
public void Test_IsSlotAvailableWhileMaxed()
{
Scheduler s = new Scheduler();
Func<string[], int> funk = st => { Thread.Sleep(500); return 0; };
Mutex mutex = new Mutex(false, "Test_PopJobWhileMaxed");
// Insert 63 jobs into the scheduler
for (int i = 0; i < 21; i++)
{
s.AddJob(new Job(new User("test" + i, ""), 10, 5, funk));
s.AddJob(new Job(new User("test" + i, ""), 100, 5, funk));
s.AddJob(new Job(new User("test" + i, ""), 500, 5, funk));
}
bool ready = false;
bool mutexReleased = false;
Thread blocker = new Thread(new ThreadStart(() =>
{
mutex.WaitOne();
while (!ready) { Thread.Sleep(500); }
mutex.ReleaseMutex();
mutexReleased = true;
}));
try
{
blocker.Start();
Job job = null;
for (int i = 0; i < 3; i++)
{
job = s.PopJob();
Thread t = new Thread(new ThreadStart(() => job.Process(new String[] { "Test", "stuff" })));
t.Start();
while (t.ThreadState != ThreadState.WaitSleepJoin) { Thread.Sleep(500); }
}
}
catch
{
// To the finally block!
}
finally
{
ready = true;
while (!mutexReleased) { Thread.Sleep(500); }
Assert.IsFalse(s.IsSlotAvailable());
}
}
public void Test_AddJob()
{
Scheduler s = new Scheduler();
// Add legal jobs with the three types: SHORT, LONG, VERY_LONG
Func<string[], int> funk = st => 10;
Job shortJob = new Job(new User("test", ""), 25, 5, funk);
Job longJob = new Job(new User("test", ""), 115, 5, funk);
Job veryLongJob = new Job(new User("test", ""), 500, 5, funk);
s.AddJob(shortJob);
s.AddJob(longJob);
s.AddJob(veryLongJob);
Assert.AreEqual(3, s.JobsInSequence.Count);
// Add 5000 jobs of varying type
for (uint i = 0; i < 5000; i++)
{
s.AddJob(new Job(new User("test", ""), i, 5, funk));
}
Assert.AreEqual(5003, s.JobsInSequence.Count);
}
public void Test_AddJobNull()
{
Scheduler s = new Scheduler();
try
{
s.AddJob(null);
Assert.Fail("It was possible to add a null job");
}
catch (Exception e)
{
// If it is not a contract exception the test fails
if (!e.ToString().ToLower().Contains("precondition failed"))
{
Assert.Fail("Unexpected exception thrown: " + e);
}
}
}
/// <summary>
/// Helper method. Checks that the sequence of jobs returned is in the same order as they were added
/// </summary>
/// <param name="s">The scheduler</param>
/// <param name="first">Job to add first</param>
/// <param name="second">Job to add second</param>
/// <param name="third">Job to add last</param>
private void AssertSequence(Scheduler s, Job first, Job second, Job third)
{
s.AddJob(first);
s.AddJob(second);
s.AddJob(third);
Assert.AreEqual(first, s.PopJob());
Assert.AreEqual(second, s.PopJob());
Assert.AreEqual(third, s.PopJob());
}
public void Test_RemoveJobInScheduler()
{
Scheduler s = new Scheduler();
Func<string[], int> funk = st => 10;
Job job = new Job(new User("test", ""), 20, 5, funk);
s.AddJob(job);
// Remove a job in the scheduler
s.RemoveJob(job);
Assert.AreEqual(0, s.JobsInSequence.Count);
}
public void Test_PopJobWhileMaxed()
{
Scheduler s = new Scheduler();
Func<string[], int> funk = st => 0;
Mutex mutex = new Mutex(false, "Test_PopJobWhileMaxed");
// Insert 63 jobs into the scheduler
for (int i = 0; i < 21; i++)
{
s.AddJob(new Job(new User("test" + i, ""), 10, 5, funk));
s.AddJob(new Job(new User("test" + i, ""), 100, 5, funk));
s.AddJob(new Job(new User("test" + i, ""), 500, 5, funk));
}
bool ready = false;
bool mutexReleased = false;
Thread blocker = new Thread(new ThreadStart(() =>
{
mutex.WaitOne();
while (!ready) { Thread.Sleep(500); }
mutex.ReleaseMutex();
mutexReleased = true;
}));
try
{
blocker.Start();
Job job = null;
for (int i = 0; i < 3; i++)
{
job = s.PopJob();
Thread t = new Thread(new ThreadStart(() => job.Process(new String[] { "Test", "stuff" })));
t.Start();
while (t.ThreadState != ThreadState.WaitSleepJoin) { Thread.Sleep(500); }
}
try
{
s.PopJob();
Assert.Fail("It was possible to pop a job from scheduler while at maximum capacity.");
}
catch (InvalidOperationException)
{
// This is good
}
}
catch
{
// To the finally block!
}
finally
{
ready = true;
while (!mutexReleased) { Thread.Sleep(500); }
}
}