code: def test_setitem(self):
      values = ToyBaseBoxes(torch.rand(3, 4, 4))
      tensor = torch.rand(3, 4, 4)
  
      # only support BaseBoxes type
      with self.assertRaises(AssertionError):
          boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
          boxes[0:2] = tensor[0:2]
  
      # test single dimension index
      # int
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[1] = values[1]
      assert_allclose(boxes.tensor[1], values.tensor[1])
      # list
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[[1, 2]] = values[[1, 2]]
      assert_allclose(boxes.tensor[[1, 2]], values.tensor[[1, 2]])
      # slice
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[0:2] = values[0:2]
      assert_allclose(boxes.tensor[0:2], values.tensor[0:2])
      # torch.BoolTensor
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      index = torch.rand(3, 4) > 0.5
      boxes[index] = values[index]
      assert_allclose(boxes.tensor[index], values.tensor[index])
  
      # multiple dimension index
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[0:2, 0:2] = values[0:2, 0:2]
      assert_allclose(boxes.tensor[0:2, 0:2], values.tensor[0:2, 0:2])
      # select single box
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[1, 1] = values[1, 1]
      assert_allclose(boxes.tensor[1, 1], values.tensor[1, 1])
      # select the last dimension
      with self.assertRaises(AssertionError):
          boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
          boxes[1, 1, 1] = values[1, 1, 1]
      # has Ellipsis
      boxes = ToyBaseBoxes(torch.rand(3, 4, 4))
      boxes[0:2, ...] = values[0:2, ...]
      assert_allclose(boxes.tensor[0:2, ...], values.tensor[0:2, ...])
  
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 3 for calling the TestBaseBoxes obj's underlying member method code with example usage: obj.test_setitem() without return types