public void DataItemBuiltInDataPooling()
{
Guid guid1 = Guid.NewGuid();
var value1a = new DataItem <Guid>(guid1);
var value1b = new DataItem <Guid>(guid1);
Assert.AreEqual <DataItem <Guid> >(value1a, value1b);
Assert.IsFalse(Object.ReferenceEquals(value1a, value1b));
Assert.IsTrue(Object.ReferenceEquals(value1a.PoolValue, value1b.PoolValue));
DataItem <Guid> .ClearPool();
var value1c = new DataItem <Guid>(guid1);
var value1d = new DataItem <Guid>(guid1);
// pool cleared - new values c,d are not same pool values as a,b
Assert.IsTrue(Object.ReferenceEquals(value1a.PoolValue, value1b.PoolValue));
Assert.IsTrue(Object.ReferenceEquals(value1c.PoolValue, value1d.PoolValue));
Assert.IsFalse(Object.ReferenceEquals(value1c.PoolValue, value1b.PoolValue));
// repool the old items - now a,b,c,d should all be same pool value
value1a.Repool();
value1b.Repool();
Assert.IsTrue(Object.ReferenceEquals(value1a.PoolValue, value1b.PoolValue));
Assert.IsTrue(Object.ReferenceEquals(value1c.PoolValue, value1d.PoolValue));
Assert.IsTrue(Object.ReferenceEquals(value1c.PoolValue, value1b.PoolValue));
}