code: def test_2d_noncontiguous_pos_stride(self, dtype):
      a = cupy.zeros((4, 7), dtype=dtype)
      b = a[::2, ::2]
      itemsize = b.itemsize
      b_low = a.data.ptr
      b_high = b.data.ptr + 3 * 7 * itemsize  # a[2][6]
      assert cupy.byte_bounds(b) == (b_low, b_high)
  
file_path: cupy/tests/cupy_tests/misc_tests/test_byte_bounds.py
imports: import cupy
  from cupy import testing
label_desc: Use image node_id 4 for calling the TestByteBounds obj's underlying member method code with example usage: obj.test_2d_noncontiguous_pos_stride(dtype) without return types