code: def test_warpsize(self):
      @jit.rawkernel()
      def f(arr):
          x = jit.grid(1)
          if x == 0:
              arr[0] = jit.warpsize
  
      N = cupy._core._get_warpsize()
      x = cupy.zeros((1,), dtype=cupy.uint32)
      f((1,), (1,), (x,))
      assert x == N
  
imports: import numpy
  import pytest
  import cupy
  from cupyx import jit
  from cupy import testing
  from cupy.cuda import device
  from cupy.cuda import runtime
label_desc: Use image node_id 46 for calling the TestRaw obj's underlying member method code with example usage: obj.test_warpsize() without return types