public void TestTryRoutines()
{
var data = new LurchTableTest <int, string>();
Assert.IsTrue(data.TryAdd(1, "a"));
Assert.IsFalse(data.TryAdd(1, "a"));
Assert.IsTrue(data.TryUpdate(1, "a"));
Assert.IsTrue(data.TryUpdate(1, "c"));
Assert.IsTrue(data.TryUpdate(1, "d", "c"));
Assert.IsFalse(data.TryUpdate(1, "f", "c"));
Assert.AreEqual("d", data[1]);
Assert.IsTrue(data.TryUpdate(1, "a", data[1]));
Assert.AreEqual("a", data[1]);
Assert.IsFalse(data.TryUpdate(2, "b"));
string val;
Assert.IsTrue(data.TryRemove(1, out val) && val == "a");
Assert.IsFalse(data.TryRemove(2, out val));
Assert.AreNotEqual(val, "a");
Assert.IsFalse(data.TryUpdate(1, (k, x) => x.ToUpper()));
data[1] = "a";
data[1] = "b";
Assert.IsTrue(data.TryUpdate(1, (k, x) => x.ToUpper()));
Assert.AreEqual("B", data[1]);
}
public void TestAtomicAdd()
{
var data = new LurchTableTest <int, string>();
int[] counter = new int[] { -1 };
for (int i = 0; i < 100; i++)
{
Assert.IsTrue(data.TryAdd(i, (k) => (++counter[0]).ToString()));
}
Assert.AreEqual(100, data.Count);
Assert.AreEqual(100, counter[0] + 1);
//Inserts of existing keys will not call method
Assert.IsFalse(data.TryAdd(50, (k) => { throw new InvalidOperationException(); }));
Assert.AreEqual(100, data.Count);
}