public async Task GivenSize_Get_PageLoadMustBeFired()
{
var slot = new NullBlockSlots(1);
slot.Datas[0] = () => new object();
BlockSlots <object> sender = null;
int index = -1;
object data = null;
slot.PageLoaded += (o, i, e) =>
{
sender = o;
index = i;
data = e;
};
var inst = await slot.GetAsync(0);
Assert.AreEqual(slot, sender);
Assert.AreEqual(0, index);
Assert.AreEqual(inst, data);
sender = null;
index = -1;
data = null;
inst = await slot.GetAsync(0);
Assert.IsNull(sender);
Assert.AreEqual(-1, index);
Assert.IsNull(data);
}
private NullBlockSlots CreateSlot(int count)
{
var slot = new NullBlockSlots(count);
for (int i = 0; i < slot.Datas.Length; i++)
{
slot.Datas[i] = () => new object();
}
return(slot);
}
public async Task GivenZeroSize_GetOne_MustGotNothing_ThisGetWasThrowException()
{
var slot = new NullBlockSlots(0);
var res = await slot.GetAsync(0);
Assert.AreEqual(0, slot.Size);
Assert.IsNull(res);
Assert.ThrowsException <IndexOutOfRangeException>(() => slot[1]);
Assert.ThrowsException <IndexOutOfRangeException>(() => slot[0]);
}
public async Task GivenSize_ThisVisit_IsNull_AfterGet_IsNotNull()
{
var slot = new NullBlockSlots(1);
slot.Datas[0] = () => new object();
var val = slot[0];
Assert.IsNull(val);
await slot.GetAsync(0);
val = slot[0];
Assert.IsNotNull(val);
}
public async Task GivenSize_GetTwice_ReturnMustEqual()
{
var slot = new NullBlockSlots(1);
Assert.AreEqual(1, slot.Size);
slot.Datas[0] = () => new object();
var a = await slot.GetAsync(0);
var b = await slot.GetAsync(0);
Assert.AreEqual(a, b);
var c = slot[0];
Assert.AreEqual(c, a);
}
public async Task GivenDisposeableObject_Dispose_AllDisposed()
{
var slot = new NullBlockSlots(10);
for (int i = 0; i < slot.Size; i++)
{
slot.Datas[i] = () => new DispoableObject();
}
for (int i = 0; i < slot.Size; i++)
{
await slot.GetAsync(i);
}
slot.Dispose();
var objs = slot.GetCreatedValues().OfType <DispoableObject>().ToArray();
for (int i = 0; i < objs.Length; i++)
{
var obj = objs[i];
Assert.IsTrue(obj.IsDisposed);
}
}
public async Task GivenSize_MulitAsyncResultWasEqual()
{
var slot = new NullBlockSlots(1);
slot.Datas[0] = () => new object();
var res = new object[10];
var tasks = Enumerable.Range(0, res.Length)
.Select(x => slot.GetAsync(0).ContinueWith(y => res[x] = y.Result))
.ToArray();
await Task.WhenAll(tasks);
var val = slot[0];
Assert.IsNotNull(val);
for (int i = 0; i < res.Length; i++)
{
if (val != res[i])
{
Assert.Fail("{0} not equal {1} != {2}", i.ToString(), val, res[i]);
}
}
slot.Dispose();
}
