def testRenderedFeatureHandlers(self):
rc = QgsRenderContext()
self.assertFalse(rc.renderedFeatureHandlers())
self.assertFalse(rc.hasRenderedFeatureHandlers())
ms = QgsMapSettings()
rc = QgsRenderContext.fromMapSettings(ms)
self.assertFalse(rc.renderedFeatureHandlers())
self.assertFalse(rc.hasRenderedFeatureHandlers())
handler = TestFeatureHandler()
handler2 = TestFeatureHandler()
ms.addRenderedFeatureHandler(handler)
ms.addRenderedFeatureHandler(handler2)
rc = QgsRenderContext.fromMapSettings(ms)
self.assertEqual(rc.renderedFeatureHandlers(), [handler, handler2])
self.assertTrue(rc.hasRenderedFeatureHandlers())
rc2 = QgsRenderContext(rc)
self.assertEqual(rc2.renderedFeatureHandlers(), [handler, handler2])
self.assertTrue(rc2.hasRenderedFeatureHandlers())
