public void FiberTest() { TestContext.WriteLine($"IsFiber:{IsThreadAFiber()}"); var id = FlsAlloc(Callback); var mem = new SafeHGlobalHandle(64); mem.Fill(1); Assert.That(FlsSetValue(id, (IntPtr)mem), Is.True); Assert.That(FlsGetValue(id), Is.EqualTo((IntPtr)mem)); Assert.That(FlsFree(id), Is.True); mem.Dispose(); }