def test_subdivide_cubic_check_evaluate(self):
# Use a fixed seed so the test is deterministic and round
# the nodes to 8 bits of precision to avoid round-off.
nodes = utils.get_random_nodes(shape=(4, 2), seed=990077, num_bits=8)
curve = self._make_one(nodes, 3)
self.assertEqual(curve.degree, 3)
self._subdivide_points_check(curve)
def test_subdivide_quartic_check_evaluate(self):
# Use a fixed seed so the test is deterministic and round
# the nodes to 8 bits of precision to avoid round-off.
nodes = utils.get_random_nodes(
shape=(15, 2), seed=741002, num_bits=8)
klass = self._get_target_class()
surface = klass.from_nodes(nodes)
self.assertEqual(surface.degree, 4)
self._subdivide_points_check(surface)
def test_subdivide_dynamic_subdivision_matrix(self):
degree = 4
shape = (degree + 1, 2)
# Use a fixed seed so the test is deterministic and round
# the nodes to 8 bits of precision to avoid round-off.
nodes = utils.get_random_nodes(shape=shape, seed=103, num_bits=8)
curve = self._make_one(nodes, degree)
self.assertEqual(curve.degree, degree)
self._subdivide_points_check(curve)
def test_subdivide_on_the_fly(self):
# Test for a degree where the subdivision is done on the fly
# rather than via a stored matrix.
nodes = utils.get_random_nodes(
shape=(21, 2), seed=446, num_bits=8)
# Use a fixed seed so the test is deterministic and round
# the nodes to 8 bits of precision to avoid round-off.
klass = self._get_target_class()
surface = klass.from_nodes(nodes)
self.assertEqual(surface.degree, 5)
self._subdivide_points_check(surface)
def test_unsupported_degree(self):
degree = 5
nodes = utils.get_random_nodes(
shape=(degree + 1, 2), seed=77618, num_bits=8)
with self.assertRaises(NotImplementedError):
self._call_function_under_test(nodes)
