public void GetCacheItem ()
{
var mc = new PokerMemoryCache ("MyCache");
AssertExtensions.Throws<NotSupportedException> (() => {
mc.GetCacheItem ("key", "region");
}, "#A1-1");
AssertExtensions.Throws<ArgumentNullException> (() => {
mc.GetCacheItem (null);
}, "#A1-2");
CacheItem value;
mc.Set ("key", "value", null);
value = mc.GetCacheItem ("key");
Assert.IsNotNull (value, "#A2-1");
Assert.AreEqual ("value", value.Value, "#A2-2");
Assert.AreEqual ("key", value.Key, "#A2-3");
value = mc.GetCacheItem ("doesnotexist");
Assert.IsNull (value, "#A3");
var cip = new CacheItemPolicy ();
bool callbackInvoked;
CacheEntryRemovedReason reason = (CacheEntryRemovedReason) 1000;
cip.AbsoluteExpiration = DateTimeOffset.Now.AddMilliseconds (50);
cip.RemovedCallback = (CacheEntryRemovedArguments args) => {
callbackInvoked = true;
reason = args.RemovedReason;
};
mc.Set ("key", "value", cip);
Thread.Sleep (500);
callbackInvoked = false;
reason = (CacheEntryRemovedReason) 1000;
value = mc.GetCacheItem ("key");
Assert.IsNull (value, "#B1-1");
Assert.IsTrue (callbackInvoked, "#B1-2");
Assert.AreEqual (CacheEntryRemovedReason.Expired, reason, "#B1-3");
cip = new CacheItemPolicy ();
cip.AbsoluteExpiration = DateTimeOffset.Now.AddMilliseconds (50);
cip.RemovedCallback = (CacheEntryRemovedArguments args) => {
callbackInvoked = true;
reason = args.RemovedReason;
throw new ApplicationException ("test");
};
mc.Set ("key", "value", cip);
Thread.Sleep (500);
callbackInvoked = false;
reason = (CacheEntryRemovedReason) 1000;
value = mc.GetCacheItem ("key");
Assert.IsNull (value, "#B2-1");
Assert.IsTrue (callbackInvoked, "#B2-2");
Assert.AreEqual (CacheEntryRemovedReason.Expired, reason, "#B2-3");
}
