code: def test_piecewise(self, xp, dtype):
      x = xp.linspace(2.5, 12.5, 6, dtype=dtype)
      condlist = [x < 0, x >= 0, x < 5, x >= 1.5]
      funclist = xp.array([-1, 1, 2, 5])
      return xp.piecewise(x, condlist, funclist)
  
file_path: cupy/tests/cupy_tests/functional_tests/test_piecewise.py
imports: import unittest
  import pytest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestPiecewise obj's underlying member method code with example usage: obj.test_piecewise(xp, dtype) and returns: xp