public void CanSetAndGetAnEntry()
{
var mCache = new DefaultMemCached(10);
mCache.Set("X", "Y");
Assert.AreEqual("Y", mCache.Get("X"));
Assert.IsNull(mCache.Get("Y"));
}
public void CanSetAnExistingEntry()
{
var mCache = new DefaultMemCached(10);
mCache.Set("X", "Y");
mCache.Set("X", "Z");
Assert.AreEqual("Z", mCache.Get("X"));
}
public void CanDeleteAnEntry()
{
var mCache = new DefaultMemCached(10);
mCache.Set("X", "Y");
Assert.IsNotNull(mCache.Get("X"));
mCache.Delete("X");
Assert.IsNull(mCache.Get("X"));
}
public void OldestMessagesAreEvicted()
{
const int size = 5;
var mCache = new DefaultMemCached(size);
for (var i = 1; i <= size + 2; ++i)
{
mCache.Set("K" + i, i.ToString());
}
Assert.IsNull(mCache.Get("K1"));
Assert.IsNull(mCache.Get("K2"));
Assert.IsNotNull(mCache.Get("K3"));
}
/**
* TODO:
*
* - Introduce Unity and use Dependency Injection
* - Stress tests
* - Manage exceptions
* - Preallocate all the needed memoory at the startup (if possible)
* - Implement different versions and compare their performances
*
*/
static void Main(string[] args)
{
IMemCached memCached = new DefaultMemCached(10);
memCached.Set("A", "Apple");
memCached.Set("B", "Bubble");
memCached.Set("C", "Cat");
memCached.Set("B", "Many Bubbles");
memCached.Set("C", "A lot of Cats");
System.Console.WriteLine("'B' is " + memCached.Get("B"));
System.Console.WriteLine("'C' is " + memCached.Get("C"));
}
public void GettingAKeyChangesItsPriority()
{
const int size = 5;
var mCache = new DefaultMemCached(size);
for (var i = 1; i <= size; ++i)
{
mCache.Set("K" + i, i.ToString());
}
mCache.Get("K1");
mCache.Set("K6", "6");
mCache.Set("K7", "7");
Assert.IsNotNull(mCache.Get("K1"));
Assert.IsNull(mCache.Get("K2"));
Assert.IsNull(mCache.Get("K3"));
Assert.IsNotNull(mCache.Get("K4"));
}
public void CanCreateAMemCachedInstance()
{
var mCache = new DefaultMemCached(10);
Assert.IsNotNull(mCache);
}