public void TestCacheSomeItemsAccessedJustBeforeGC()
{
Cache cache = new Cache();
for (int i = 0; i < 5; i++)
{
cache.Add(i, new byte[1024]);
}
var value1 = cache[1];
var value3 = cache[3];
Assert.AreEqual(5, cache.Count);
Assert.AreEqual(5, cache.ActiveCount);
Assert.IsNotNull(cache[0]);
Assert.IsNotNull(cache[1]);
Assert.IsNotNull(cache[2]);
Assert.IsNotNull(cache[3]);
Assert.IsNotNull(cache[4]);
GC.Collect();
Assert.AreEqual(5, cache.Count);
Assert.AreEqual(2, cache.ActiveCount);
Assert.IsNull(cache[0]);
Assert.IsNotNull(cache[1]);
Assert.IsNull(cache[2]);
Assert.IsNotNull(cache[3]);
Assert.IsNull(cache[4]);
}
public void TestCacheAllItemsAccessedJustBeforeGC()
{
Cache cache = new Cache();
for (int i = 0; i < 4; i++)
{
cache.Add(i, new DummyClass { Name = i.ToString(), Value = new byte[1024] });
}
var value0 = cache[0];
var value1 = cache[1];
var value2 = cache[2];
var value3 = cache[3];
Assert.AreEqual(4, cache.Count);
Assert.AreEqual(4, cache.ActiveCount);
Assert.AreEqual("0", (cache[0] as DummyClass).Name);
Assert.AreEqual("1", (cache[1] as DummyClass).Name);
Assert.AreEqual("2", (cache[2] as DummyClass).Name);
Assert.AreEqual("3", (cache[3] as DummyClass).Name);
GC.Collect();
Assert.AreEqual(4, cache.Count);
Assert.AreEqual(4, cache.ActiveCount);
Assert.AreEqual("0", (cache[0] as DummyClass).Name);
Assert.AreEqual("1", (cache[1] as DummyClass).Name);
Assert.AreEqual("2", (cache[2] as DummyClass).Name);
Assert.AreEqual("3", (cache[3] as DummyClass).Name);
}
public void TestCacheNoItemsAccessedBeforeGC()
{
Cache cache = new Cache();
for (int i = 0; i < 5; i++)
{
cache.Add(i, i.ToString());
}
Assert.AreEqual(5, cache.Count);
Assert.AreEqual(5, cache.ActiveCount);
Assert.AreEqual("0", cache[0]);
Assert.AreEqual("1", cache[1]);
Assert.AreEqual("2", cache[2]);
Assert.AreEqual("3", cache[3]);
Assert.AreEqual("4", cache[4]);
GC.Collect();
Assert.AreEqual(5, cache.Count);
Assert.AreEqual(0, cache.ActiveCount);
Assert.IsNull(cache[0]);
Assert.IsNull(cache[1]);
Assert.IsNull(cache[2]);
Assert.IsNull(cache[3]);
Assert.IsNull(cache[4]);
}
public CacheDebugView(Cache cache)
{
this.cache = cache;
}