public void FireTokenRemovesItem()
{
var cache = CreateCache();
string key = "myKey";
var value = new object();
var callbackInvoked = new ManualResetEvent(false);
var expirationToken = new TestExpirationToken() { ActiveChangeCallbacks = true };
cache.Set(key, value, new MemoryCacheEntryOptions()
.AddExpirationToken(expirationToken)
.RegisterPostEvictionCallback((subkey, subValue, reason, state) =>
{
// TODO: Verify params
var localCallbackInvoked = (ManualResetEvent)state;
localCallbackInvoked.Set();
}, state: callbackInvoked));
expirationToken.Fire();
var found = cache.TryGetValue(key, out value);
Assert.False(found);
Assert.True(callbackInvoked.WaitOne(TimeSpan.FromSeconds(30)), "Callback");
}
public void TokenExpires_LinkedEntry()
{
var cache = CreateCache();
var obj = new object();
string key = "myKey";
string key1 = "myKey1";
var expirationToken = new TestExpirationToken() { ActiveChangeCallbacks = true };
using (var link = cache.CreateLinkingScope())
{
cache.Set(key, obj, new MemoryCacheEntryOptions().AddExpirationToken(expirationToken));
cache.Set(key1, obj, new MemoryCacheEntryOptions().AddEntryLink(link));
}
Assert.Same(obj, cache.Get(key));
Assert.Same(obj, cache.Get(key1));
expirationToken.Fire();
object value;
Assert.False(cache.TryGetValue(key1, out value));
Assert.False(cache.TryGetValue(key, out value));
}