public void TestReferenceCount()
{
// By default, runs without EGL
Egl.IsRequired = false;
using (DeviceContext deviceContext = DeviceContext.Create()) {
Assert.AreEqual(0, deviceContext.RefCount);
Assert.IsFalse(deviceContext.IsDisposed);
deviceContext.IncRef();
Assert.AreEqual(1, deviceContext.RefCount);
Assert.IsFalse(deviceContext.IsDisposed);
deviceContext.IncRef();
Assert.AreEqual(2, deviceContext.RefCount);
Assert.IsFalse(deviceContext.IsDisposed);
deviceContext.DecRef();
Assert.AreEqual(1, deviceContext.RefCount);
Assert.IsFalse(deviceContext.IsDisposed);
deviceContext.DecRef();
Assert.AreEqual(0, deviceContext.RefCount);
Assert.IsTrue(deviceContext.IsDisposed);
}
}
protected override void OnUnrealized()
{
if (_GraphicsContext != IntPtr.Zero)
{
// Event handling
OnContextDestroying();
// Destroy context
DeleteContext();
}
// Destroy device context
_DeviceContext.DecRef();
_DeviceContext = null;
// Base implementation
base.OnUnrealized();
}