Method test_empty_cat

det/tests/structures/test_boxes.py:190–192

(self)

class TestBoxes(unittest.TestCase):
    def test_empty_cat(self):
        x = Boxes.cat([])
        self.assertTrue(x.tensor.shape, (0, 4))

    def test_to(self):
        x = Boxes(torch.rand(3, 4))