# Copyright 2018 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""Tests for xla handling of placeholder_with_default."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from tensorflow.compiler.tests import xla_test
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from tensorflow.python.ops import array_ops
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from tensorflow.python.ops import resource_variable_ops
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from tensorflow.python.ops import variables
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from tensorflow.python.platform import googletest
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class PlaceholderTest(xla_test.XLATestCase):
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def test_placeholder_with_default_default(self):
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with self.cached_session() as sess, self.test_scope():
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v = resource_variable_ops.ResourceVariable(4.0)
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ph = array_ops.placeholder_with_default(v, shape=[])
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out = ph * 2
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sess.run(variables.variables_initializer([v]))
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self.assertEqual(8.0, self.evaluate(out))
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def test_placeholder_with_default_fed(self):
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with self.cached_session() as sess, self.test_scope():
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v = resource_variable_ops.ResourceVariable(4.0)
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ph = array_ops.placeholder_with_default(v, shape=[])
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out = ph * 2
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sess.run(variables.variables_initializer([v]))
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self.assertEqual(2.0, sess.run(out, {ph: 1.0}))
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if __name__ == '__main__':
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googletest.main()
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