public void CacheCanCloseItemsEarly()
{
var resourceStore = new ResourceStore <string, Disposable>(name => new Disposable(name));
Disposable item1 = null;
Disposable item2 = null;
resourceStore.Access("foo", it => item1 = it);
resourceStore.Access("bar", it => item2 = it);
Assert.AreEqual(0, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
resourceStore.Close("foo");
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
Assert.Throws <ObjectDisposedException>(() => resourceStore.Access("foo", it => { }));
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
}
public void CacheReturnsSameInstanceWhenCalledTwice()
{
var resourceStore = new ResourceStore<string, Disposable>(name => new Disposable(name));
Disposable firstItem = null;
resourceStore.Access("foo", item => firstItem = item);
Assert.AreEqual("foo", firstItem.Name);
Disposable secondItem = null;
resourceStore.Access("foo", item => secondItem = item);
Assert.AreSame(firstItem, secondItem);
}
public void CacheReturnsSameInstanceWhenCalledTwice()
{
var resourceStore = new ResourceStore <string, Disposable>(name => new Disposable(name));
Disposable firstItem = null;
resourceStore.Access("foo", item => firstItem = item);
Assert.AreEqual("foo", firstItem.Name);
Disposable secondItem = null;
resourceStore.Access("foo", item => secondItem = item);
Assert.AreSame(firstItem, secondItem);
}
private static int RunAccessesConcurrently(string[] keys)
{
var resourceStore = new ResourceStore <string, Disposable>(name => new Disposable(name));
var lck = new object();
var concurrentCallCount = 0;
var maxCallCount = 0;
var threads = new List <Thread>();
foreach (var key in keys)
{
var thisKey = key;
var thread = new Thread(() => resourceStore.Access(thisKey, item =>
{
lock (lck)
{
concurrentCallCount++;
maxCallCount = Math.Max(maxCallCount, concurrentCallCount);
}
Thread.Sleep(250);
lock (lck)
{
concurrentCallCount--;
}
}));
thread.Start();
threads.Add(thread);
}
foreach (var thread in threads)
{
thread.Join();
}
return(maxCallCount);
}
private static int RunAccessesConcurrently(string[] keys)
{
var resourceStore = new ResourceStore<string, Disposable>(name => new Disposable(name));
var lck = new object();
var concurrentCallCount = 0;
var maxCallCount = 0;
var threads = new List<Thread>();
foreach (var key in keys)
{
var thisKey = key;
var thread = new Thread(() => resourceStore.Access(thisKey, item =>
{
lock (lck)
{
concurrentCallCount++;
maxCallCount = Math.Max(maxCallCount, concurrentCallCount);
}
Thread.Sleep(250);
lock (lck)
{
concurrentCallCount--;
}
}));
thread.Start();
threads.Add(thread);
}
foreach (var thread in threads)
{
thread.Join();
}
return maxCallCount;
}
public void CacheCanCloseBeforeGet()
{
var resourceStore = new ResourceStore<string, Disposable>(name => new Disposable(name));
resourceStore.Close("foo");
Assert.Throws<ObjectDisposedException>(() => resourceStore.Access("foo", it => { }));
}
public void CacheCanCloseBeforeGet()
{
var resourceStore = new ResourceStore <string, Disposable>(name => new Disposable(name));
resourceStore.Close("foo");
Assert.Throws <ObjectDisposedException>(() => resourceStore.Access("foo", it => { }));
}
public void CacheDisposesAllItemsExactlyOnce()
{
var resourceStore = new ResourceStore <string, Disposable>(name => new Disposable(name));
Disposable item1 = null;
Disposable item2 = null;
resourceStore.Access("foo", it => item1 = it);
resourceStore.Access("bar", it => item2 = it);
Assert.AreEqual(0, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
}
public void CacheCanCloseItemsEarly()
{
var resourceStore = new ResourceStore<string, Disposable>(name => new Disposable(name));
Disposable item1 = null;
Disposable item2 = null;
resourceStore.Access("foo", it => item1 = it);
resourceStore.Access("bar", it => item2 = it);
Assert.AreEqual(0, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
resourceStore.Close("foo");
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
Assert.Throws<ObjectDisposedException>(() => resourceStore.Access("foo", it => { }));
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
}
public void CacheDisposesAllItemsExactlyOnce()
{
var resourceStore = new ResourceStore<string, Disposable>(name => new Disposable(name));
Disposable item1 = null;
Disposable item2 = null;
resourceStore.Access("foo", it => item1 = it);
resourceStore.Access("bar", it => item2 = it);
Assert.AreEqual(0, item1.DisposeCallCount);
Assert.AreEqual(0, item2.DisposeCallCount);
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
resourceStore.Dispose();
Assert.AreEqual(1, item1.DisposeCallCount);
Assert.AreEqual(1, item2.DisposeCallCount);
}
