public void UpdateUsageTest()
{
string key = "key";
object value = "value";
TimeSpan expiration = TimeSpan.FromSeconds(2);
var cachePolicy = new CachePolicy {
SlidingExpiration = expiration
};
var cacheItem = new CacheItem(key, value, cachePolicy);
bool hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
bool isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
Thread.Sleep(TimeSpan.FromSeconds(1));
cacheItem.UpdateUsage();
isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
Thread.Sleep(expiration);
isExpired = cacheItem.IsExpired();
Assert.True(isExpired);
cacheItem.UpdateUsage();
isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
}
public void RaiseExpiredCallbackTest()
{
string key = "key";
object value = "value";
TimeSpan expiration = TimeSpan.FromSeconds(2);
bool expireCalled = false;
var cachePolicy = new CachePolicy
{
SlidingExpiration = expiration,
ExpiredCallback = e => { expireCalled = true; }
};
var cacheItem = new CacheItem(key, value, cachePolicy);
bool hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
bool isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
Thread.Sleep(expiration);
isExpired = cacheItem.IsExpired();
Assert.True(isExpired);
cacheItem.RaiseExpiredCallback();
Thread.Sleep(expiration);
Assert.True(expireCalled);
}
public void IsExpiredTest()
{
string key = "key";
object value = "value";
var cachePolicy = new CachePolicy {
AbsoluteExpiration = DateTimeOffset.Now.AddDays(1)
};
var cacheItem = new CacheItem(key, value, cachePolicy);
bool hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
bool isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
TimeSpan expiration = TimeSpan.FromSeconds(2);
cachePolicy = new CachePolicy {
SlidingExpiration = expiration
};
cacheItem = new CacheItem(key, value, cachePolicy);
hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
Thread.Sleep(expiration);
Thread.Sleep(100);
isExpired = cacheItem.IsExpired();
Assert.True(isExpired);
cachePolicy = new CachePolicy {
AbsoluteExpiration = DateTimeOffset.Now.Add(expiration)
};
cacheItem = new CacheItem(key, value, cachePolicy);
hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
isExpired = cacheItem.IsExpired();
Assert.False(isExpired);
Thread.Sleep(expiration);
Thread.Sleep(100);
isExpired = cacheItem.IsExpired();
Assert.True(isExpired);
}
public void HasExpirationTest()
{
string key = "key";
object value = "value";
var cachePolicy = new CachePolicy {
SlidingExpiration = TimeSpan.FromSeconds(30)
};
var cacheItem = new CacheItem(key, value, cachePolicy);
bool hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
cachePolicy = new CachePolicy();
cacheItem = new CacheItem(key, value, cachePolicy);
hasExpiration = cacheItem.CanExpire();
Assert.False(hasExpiration);
cachePolicy = new CachePolicy {
AbsoluteExpiration = DateTimeOffset.Now.AddDays(1)
};
cacheItem = new CacheItem(key, value, cachePolicy);
hasExpiration = cacheItem.CanExpire();
Assert.True(hasExpiration);
}