public void SlotPrevInSegment_OnSecondSlotInPaduakTestSegment_ReturnsNonNullSlot()
{
using (var seg = new PaduakDisposableTestSegment("hello world"))
{
IntPtr firstSlot = Graphite2Api.SegFirstSlot(seg.Seg);
IntPtr secondSlot = Graphite2Api.SlotNextInSegment(firstSlot);
Assert.AreNotEqual(IntPtr.Zero, Graphite2Api.SlotPrevInSegment(secondSlot), "returned null slot");
Assert.AreEqual(firstSlot, Graphite2Api.SlotPrevInSegment(secondSlot), "should equal first slot");
}
}