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"""Tests for array_ops."""
import math
import tensorflow.python.platform
import numpy as np
from tensorflow.python.framework import test_util
from tensorflow.python.ops import array_ops
from tensorflow.python.platform import googletest
class OperatorShapeTest(test_util.TensorFlowTestCase):
def testExpandScalar(self):
scalar = 'hello'
scalar_expanded = array_ops.expand_dims(scalar, [0])
self.assertEqual(scalar_expanded.get_shape(), (1,))
def testSqueeze(self):
scalar = 'hello'
scalar_squeezed = array_ops.squeeze(scalar, ())
self.assertEqual(scalar_squeezed.get_shape(), ())
class ReverseTest(test_util.TensorFlowTestCase):
def testReverse0DimAuto(self):
x_np = 4
for use_gpu in [False, True]:
with self.test_session(use_gpu=use_gpu):
x_tf = array_ops.reverse(x_np, []).eval()
self.assertAllEqual(x_tf, x_np)
def testReverse1DimAuto(self):
x_np = [1, 4, 9]
for use_gpu in [False, True]:
with self.test_session(use_gpu=use_gpu):
x_tf = array_ops.reverse(x_np, [True]).eval()
self.assertAllEqual(x_tf, np.asarray(x_np)[::-1])
if __name__ == '__main__':
googletest.main()
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