优化压力流量求解并达到四路性能门槛

tests/test_generic_system_xml_simulation.py

@@ -322,6 +322,23 @@ class GenericSystemXmlSimulationTests(unittest.TestCase):
         self.assertFalse(result.success)
         self.assertEqual(result.status, "cancelled")
         self.assertGreaterEqual(result.diagnostics["sampleCount"], 2)
+        integration = result.diagnostics["integration"]
+        self.assertEqual(integration["method"], "BDF")
+        self.assertEqual(integration["segmentCount"], len(integration["segments"]))
+        self.assertEqual(
+            integration["totals"]["nfev"],
+            sum(segment["nfev"] for segment in integration["segments"]),
+        )
+        sparsity = integration["jacobianSparsity"]
+        self.assertGreater(sparsity["nonzeroCount"], 0)
+        self.assertGreater(sparsity["colorGroupCount"], 0)
+        self.assertEqual(
+            integration["totals"]["finiteDifferenceRhsEstimate"],
+            sum(
+                segment["finiteDifferenceRhsEstimate"]
+                for segment in integration["segments"]
+            ),
+        )
         self.assertGreater(result.simulated_until, 0.0)
         self.assertLess(result.simulated_until, 0.05)
         self.assertEqual(