def testAddDuplicateMesh(self):
        self.meshes.add_mesh(self.meshes.meshes['Simple'])
        self.assertEqual(len(self.meshes.meshes), 2)
        self.assertEqual(len(self.meshes.mesh_list), 3)
Adding a duplicate mesh should increment the mesh list, but not the meshes hash.
dataset/ETHPy150Open greenmoss/PyWavefront/test/test_wavefront.py/TestWavefront.testAddDuplicateMesh