public void GetId_WithFirstBlock_IdIsOne()
{
var block = new IdBlock(1, 5);
var id = block.GetId();
Assert.AreEqual(1, id);
}
public void GetId_ExpendAllIds_LastIdIsFive()
{
var block = new IdBlock(1, 5);
ulong id = 0;
while(block.HasIdsRemaining())
{
id = block.GetId();
}
Assert.AreEqual(5, id);
}
public void GetId_LastIdOfBlockAndFirstOfNextBlock_AreSequential()
{
var blockA = new IdBlock(1, 5);
var blockB = new IdBlock(2, 5);
ulong lastId = 0;
ulong nextId = 0;
while(blockA.HasIdsRemaining())
{
lastId = blockA.GetId();
}
nextId = blockB.GetId();
Assert.AreEqual(1, nextId - lastId);
}