public void UnsafeObjectStream_RawSeekBackward_DoesNothing_WhenAtBeginningOfStream()
{
var stream = new UnsafeObjectStream();
stream.AcquirePointers();
try
{
unsafe
{
stream.ReserveMultiple(2, 2 * sizeof(UnsafeObjectTypeOne));
*(UnsafeObjectTypeOne*)stream.Data = new UnsafeObjectTypeOne() { ObjectType = UnsafeObjectType.TypeOne, Value1 = 123 };
stream.FinalizeObject(sizeof(UnsafeObjectTypeOne));
*(UnsafeObjectTypeOne*)stream.Data = new UnsafeObjectTypeOne() { ObjectType = UnsafeObjectType.TypeOne, Value1 = 234 };
stream.FinalizeObject(sizeof(UnsafeObjectTypeOne));
stream.RawSeekObject(0);
TheResultingValue(stream.PositionInBytes).ShouldBe(0);
TheResultingValue(stream.PositionInObjects).ShouldBe(0);
stream.SeekBackward();
TheResultingValue(stream.PositionInBytes).ShouldBe(0);
TheResultingValue(stream.PositionInObjects).ShouldBe(0);
}
}
finally
{
stream.ReleasePointers();
}
}
public void UnsafeObjectStream_RawSeekForward_SeeksToNextObject_WhenNotAtEndOfStream()
{
var stream = new UnsafeObjectStream();
stream.AcquirePointers();
try
{
unsafe
{
stream.ReserveMultiple(2, 2 * sizeof(UnsafeObjectTypeOne));
*(UnsafeObjectTypeOne*)stream.Data = new UnsafeObjectTypeOne() { ObjectType = UnsafeObjectType.TypeOne, Value1 = 123 };
stream.FinalizeObject(sizeof(UnsafeObjectTypeOne));
*(UnsafeObjectTypeOne*)stream.Data = new UnsafeObjectTypeOne() { ObjectType = UnsafeObjectType.TypeOne, Value1 = 234 };
stream.FinalizeObject(sizeof(UnsafeObjectTypeOne));
stream.RawSeekObject(0);
TheResultingValue(stream.PositionInBytes).ShouldBe(0);
TheResultingValue(stream.PositionInObjects).ShouldBe(0);
stream.SeekForward();
TheResultingValue(stream.PositionInBytes).ShouldBe(sizeof(UnsafeObjectTypeOne));
TheResultingValue(stream.PositionInObjects).ShouldBe(1);
stream.SeekForward();
TheResultingValue(stream.PositionInBytes).ShouldBe(sizeof(UnsafeObjectTypeOne) + sizeof(UnsafeObjectTypeOne));
TheResultingValue(stream.PositionInObjects).ShouldBe(2);
}
}
finally
{
stream.ReleasePointers();
}
}
