public void TestAddOrUpdate()
{
var comPlusCache = new ComPlusCache("TestCache");
comPlusCache.Clear();
Assert.AreEqual("World", comPlusCache.AddOrUpdate("Entry 1", () => "World", () => "Hello"));
Assert.AreEqual("World", comPlusCache["Entry 1"]);
Assert.AreEqual("Brave New World",
comPlusCache.AddOrUpdate("Entry 1", () => "Hello World", () => "Brave New World"));
Assert.AreEqual("Brave New World 2",
comPlusCache.AddOrUpdate("Entry 1", () => "Hello World", () => "Brave New World 2"));
Assert.AreEqual("Brave New World 3",
comPlusCache.AddOrUpdate("Entry 1", () => "Hello World", () => "Brave New World 3"));
comPlusCache.AddOrUpdate("Entry 2", () => new Dynamo(), () => null);
Assert.IsNotNull(comPlusCache["Entry 2"]);
Assert.IsTrue(comPlusCache["Entry 2"] is DynamicObject);
}
public void TestAddOrGetExisting()
{
var comPlusCache = new ComPlusCache("TestCache");
comPlusCache.Clear();
Assert.AreEqual(null, comPlusCache.AddOrGetExisting("Entry 1", "Hello"));
Assert.AreEqual("Hello", comPlusCache["Entry 1"]);
var obj = new object();
Assert.AreEqual(null, comPlusCache.AddOrGetExisting("Entry 2", obj));
Assert.IsNotNull(comPlusCache["Entry 2"]);
Assert.IsTrue(comPlusCache["Entry 2"] is DynamicObject);
Assert.AreEqual("Hi", comPlusCache.GetOrAdd("Entry 3", () => "Hi"));
Assert.AreEqual("Hi", comPlusCache.GetOrAdd("Entry 3", () => "Hello"));
Assert.AreEqual(123, comPlusCache.GetOrAdd("Entry 4", () => 123));
Assert.AreEqual(123, comPlusCache.GetOrAdd("Entry 4", () => 345));
}
public void TestAddOrUpdateParallelWithSameComPlusReference()
{
var cd = new ComPlusCache("Concurrent");
//var dict = new ConcurrentDictionary<string, int>();
cd.Clear();
var addCnt = 0;
var updCnt = 0;
var totalCnt = 0;
Parallel.For(0, 10000, i =>
{
Interlocked.Increment(ref totalCnt);
cd.AddOrUpdate("1", () =>
{
Interlocked.Increment(ref addCnt);
return(1);
}, () =>
{
Interlocked.Increment(ref updCnt);
return(new Random().Next(10000));
});
});
var cnt = 0;
// ReSharper disable once UnusedVariable
foreach (var item in cd)
{
cnt++;
}
Assert.AreEqual(1, cnt);
Assert.AreEqual(10000, totalCnt);
Assert.AreEqual(1, addCnt);
Assert.AreEqual(9999, updCnt);
Assert.AreNotEqual(-1, (int)cd["1"]);
int value = (int)cd.GetOrAdd("2", () => 100);
Assert.AreEqual(100, value);
// Should return 100, as key 2 is already set to that value
value = (int)cd.GetOrAdd("2", () => 10000);
Assert.AreEqual(100, value);
}