code: def test_Gpujoin_inplace():
      # Test Gpujoin to work inplace.
      #
      # This function tests the case when several elements are passed to the
      # Gpujoin function but all except one of them are empty. In this case
      # Gpujoin should work inplace and the output should be the view of the
      # non-empty element.
      s = T.lscalar()
      data = np.array([3, 4, 5], dtype=theano.config.floatX)
      x = gpuarray_shared_constructor(data, borrow=True)
      z = T.zeros((s,))
  
      join = GpuJoin(view=0)
      c = join(0, x, z)
  
      f = theano.function([s], theano.Out(c, borrow=True))
      if not isinstance(mode_with_gpu, theano.compile.DebugMode):
          assert x.get_value(
              borrow=True, return_internal_type=True
          ) is f(0)
      assert np.allclose(f(0), [3, 4, 5])
  
imports: from __future__ import absolute_import, print_function, division
  import unittest
  from theano.compat import izip
  from six import iteritems
  import numpy
  import theano
  import theano.tensor
  from theano.tensor import TensorType
  from theano.tensor.basic import alloc
  from theano.tensor.tests import test_basic
  from theano.tensor.tests.test_basic import rand, safe_make_node
  from theano.tests import unittest_tools
  from ..type import GpuArrayType, get_context, gpuarray_shared_constructor
  from ..basic_ops import host_from_gpu, HostFromGpu, GpuFromHost, GpuReshape, GpuToGpu, GpuAlloc, GpuAllocEmpty, GpuContiguous, gpu_join, GpuJoin, GpuSplit, GpuEye, GpuTri, gpu_contiguous
  from ..elemwise import GpuDimShuffle, GpuElemwise
  from ..subtensor import GpuSubtensor
  from .config import mode_with_gpu, mode_without_gpu, test_ctx_name
  from pygpu import gpuarray
label_desc: Use image node_id 15 for calling a global function with example usage: test_Gpujoin_inplace() without return types