code: def test_misc(self):
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      # __len__
      self.assertEqual(len(boxes), 3)
      # __repr__
      repr(boxes)
      # fake_boxes
      new_boxes = boxes.fake_boxes((3, 4, 4), 1)
      self.assertEqual(tuple(new_boxes.size()), (3, 4, 4))
      self.assertEqual(boxes.dtype, new_boxes.dtype)
      self.assertEqual(boxes.device, new_boxes.device)
      self.assertTrue((new_boxes.tensor == 1).all())
      with self.assertRaises(AssertionError):
          new_boxes = boxes.fake_boxes((3, 4, 1))
      new_boxes = boxes.fake_boxes((3, 4, 4), dtype=torch.uint8)
      self.assertEqual(new_boxes.dtype, torch.uint8)
      if torch.cuda.is_available():
          new_boxes = boxes.fake_boxes((3, 4, 4), device="cuda")
          self.assertTrue(new_boxes.tensor.is_cuda)
  
file_path: mmdetection/tests/test_structures/test_bbox/test_base_boxes.py
imports: from unittest import TestCase
  import numpy
  import torch
  from mmengine.testing import assert_allclose
  from .utils import ToyBaseBoxes
label_desc: Use image node_id 5 for calling the TestBaseBoxes obj's underlying member method code with example usage: obj.test_misc() without return types