public void GetForNewItemWithMultiThread()
{
// SETUP
// We will need a mock factory
var factory = Substitute.For <IResourceLockFactory>();
// And a controlled WaitHandle type to return
var lockObj = Substitute.For <IResourceLock>();
ManualResetEvent continueEvent = new ManualResetEvent(false);
// Our factory create will wait for a control signal to return
// while things get setup
factory.Create().Returns((callInfo) =>
{
if (!continueEvent.WaitOne(TimeSpan.FromSeconds(20)))
{
throw new TimeoutException("Failed to get event, not expected!");
}
return(lockObj);
});
// Create the resource lock manager
var mgr = new ResourceLockManager <int>(factory);
// ACT
var t1 = Task <IResourceLock> .Factory.StartNew(() => mgr.GetFor(0));
var t2 = Task <IResourceLock> .Factory.StartNew(() => mgr.GetFor(0));
var t3 = Task <IResourceLock> .Factory.StartNew(() => mgr.GetFor(0));
var t4 = Task <bool> .Factory.StartNew(() =>
{
Thread.Sleep(500);
continueEvent.Set();
return(true);
});
Task.WaitAll(t1, t2, t3, t4);
// ASSERT
// We should have gotten the item we stated to return
Assert.AreEqual(t1.Result, lockObj);
Assert.AreEqual(t2.Result, lockObj);
Assert.AreEqual(t3.Result, lockObj);
// And the factory should have been called once
factory.Received(1).Create();
} /* End of Function - GetForNewItemWithMultiThread */
public void GetForNewItem()
{
// SETUP
// We will need a mock factory
var factory = Substitute.For <IResourceLockFactory>();
// And a controlled WaitHandle type to return
var lockObj = Substitute.For <IResourceLock>();
factory.Create().Returns(lockObj);
// Create the resource lock manager
var mgr = new ResourceLockManager <int>(factory);
// ACT
var item = mgr.GetFor(0);
// ASSERT
// We should have gotten the item we stated to return
Assert.AreEqual(item, lockObj);
// And the factory should have been called once
factory.Received(1).Create();
} /* End of Function - GetForNewItem */
