code: def test_while(self):
      # Some constants to capture in the conditional branches
      cond_const = np.ones(3, dtype=np.float32)
      body_const1 = np.full_like(cond_const, 1.0)
      body_const2 = np.full_like(cond_const, 2.0)
  
      def func(x):
          # Equivalent to:
          #      c = [1, 1, 1]
          #      for(i=0; i < 3; i++)
          #        c += [1, 1, 1] + [2, 2, 2]
          #
          # The function is set-up so that it captures constants in the
          # body of the functionals. This covers some cases in the representation
          # of the lax.while primitive.
          def cond(idx_carry):
              i, c = idx_carry
              return i < jnp.sum(
                  lax.tie_in(i, cond_const)
              )  # Capture cond_const
  
          def body(idx_carry):
              i, c = idx_carry
              return (i + 1, c + body_const1 + body_const2)
  
          return lax.while_loop(cond, body, (0, x))
  
      self.ConvertAndCompare(func, cond_const)
  
imports: from absl.testing import absltest
  import jax
  import jax.lax
  import jax.numpy
  from jax._src import test_util
  import numpy
  from jax.experimental.jax2tf.tests import tf_test_util
  from jax import config
label_desc: Use image node_id 8 for calling the ControlFlowOpsTest obj's underlying member method code with example usage: obj.test_while() and returns: lax, unknown, unknown,  unknown