code: def test_jit_buffer_behavior(self):
      @TinyJit
      def foo(x) -> Tensor:
          return x.sum().realize()
  
      result_1 = foo(Tensor([1] * 2))
      result_2 = foo(Tensor([2] * 2))
      result_3 = foo(Tensor([3] * 2))
  
      # expect the buffer to share underlying buffer
      np.testing.assert_allclose(
          result_1.numpy(), [2], atol=1e-4, rtol=1e-5
      )
      np.testing.assert_allclose(
          result_2.numpy(), [6], atol=1e-4, rtol=1e-5
      )
      np.testing.assert_allclose(
          result_3.numpy(), [6], atol=1e-4, rtol=1e-5
      )
  
imports: import unittest, functools
  import numpy
  from test.helpers import assert_jit_cache_len
  from tinygrad.tensor import Tensor
  from tinygrad.jit import TinyJit
  from tinygrad.device import Device
  from tinygrad.helpers import CI
label_desc: Use image node_id 18 for calling the TestJit obj's underlying member method code with example usage: obj.test_jit_buffer_behavior() and returns: x