public void ShrinkCacheTest()
{
NFileCache target = new NFileCache("ShrinkCacheTest");
// Test empty case
Assert.AreEqual(0, target.Trim(0));
// Insert 4 items, and keep track of their size
target.Add("item1", "test1", DateTime.Now.AddDays(1));
long size1 = target.GetCacheSize();
target.Add("item2", "test22", DateTime.Now);
long size2 = target.GetCacheSize() - size1;
target.Add("item3", "test333", DateTime.Now.AddSeconds(10));
long size3 = target.GetCacheSize() - size1 - size2;
target.Add("item4", "test4444", DateTime.Now.AddDays(-1));
long size4 = target.GetCacheSize() - size1 - size2 - size3;
// Shrink to the size of the first 3 items (should remove item4 because it's the oldest, keeping the other 3)
long newSize = target.Trim(size1 + size2 + size3);
Assert.AreEqual(size1 + size2 + size3, newSize);
// Shrink to just smaller than two items (should keep just item1, delete item2 and item3)
newSize = target.Trim(size1 + size3 - 1);
Assert.AreEqual(size1, newSize);
// Shrink to size 1 (should delete everything)
newSize = target.Trim(1);
Assert.AreEqual(0, newSize);
}
public void FlushTest()
{
NFileCache target = new NFileCache("FlushTest");
target.Add("foo", 1, DateTime.Now); // expires immediately
target.Add("bar", 2, DateTime.Now.AddDays(1)); // set to expire tomorrow
// Attempt flush
target.Flush();
Assert.IsNull(target["foo"]);
Assert.IsNotNull(target["bar"]);
}
public void ShrinkCacheTest()
{
NFileCache target = new NFileCache("ShrinkCacheTest");
// Test empty case
Assert.AreEqual(0, target.Trim(0));
// Insert 4 items, and keep track of their size
target.Add("item1", "test1", DateTime.Now.AddDays(1));
long size1 = target.GetCacheSize();
target.Add("item2", "test22", DateTime.Now);
long size2 = target.GetCacheSize() - size1;
target.Add("item3", "test333", DateTime.Now.AddSeconds(10));
long size3 = target.GetCacheSize() - size1 - size2;
target.Add("item4", "test4444", DateTime.Now.AddDays(-1));
long size4 = target.GetCacheSize() - size1 - size2 - size3;
// Shrink to the size of the first 3 items (should remove item4 because it's the oldest, keeping the other 3)
long newSize = target.Trim(size1 + size2 + size3);
Assert.AreEqual(size1 + size2 + size3, newSize);
// Shrink to just smaller than two items (should keep just item1, delete item2 and item3)
newSize = target.Trim(size1 + size3 - 1);
Assert.AreEqual(size1, newSize);
// Shrink to size 1 (should delete everything)
newSize = target.Trim(1);
Assert.AreEqual(0, newSize);
}
public void FlushTest()
{
NFileCache target = new NFileCache("FlushTest");
target.Add("foo", 1, DateTime.Now); // expires immediately
target.Add("bar", 2, DateTime.Now.AddDays(1)); // set to expire tomorrow
// Attempt flush
target.Flush();
Assert.IsNull(target["foo"]);
Assert.IsNotNull(target["bar"]);
}
