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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Test cases for operators with no arguments."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import numpy as np
from tensorflow.compiler.tests.xla_test import XLATestCase
from tensorflow.python.framework import constant_op
from tensorflow.python.ops import control_flow_ops
from tensorflow.python.platform import googletest
class NullaryOpsTest(XLATestCase):
def _testNullary(self, op, expected):
with self.test_session() as session:
with self.test_scope():
output = op()
result = session.run(output)
self.assertAllClose(result, expected, rtol=1e-3)
def testNoOp(self):
with self.test_session():
with self.test_scope():
output = control_flow_ops.no_op()
# This should not crash.
output.run()
def testConstants(self):
constants = [
np.float32(42),
np.array([], dtype=np.float32),
np.array([1, 2], dtype=np.float32),
np.array([[1, 2, 3], [4, 5, 6]], dtype=np.float32),
np.array([[[1, 2], [3, 4], [5, 6]], [[10, 20], [30, 40], [50, 60]]],
dtype=np.float32),
np.array([[[]], [[]]], dtype=np.float32),
np.array([[[[1]]]], dtype=np.float32),
]
for c in constants:
self._testNullary(lambda c=c: constant_op.constant(c), expected=c)
if __name__ == "__main__":
googletest.main()
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