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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.
# ==============================================================================
"""Tests which set DEBUG_SAVEALL and assert no garbage was created.
This flag seems to be sticky, so these tests have been isolated for now.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from tensorflow.python.eager import context
from tensorflow.python.framework import dtypes
from tensorflow.python.framework import test_util
from tensorflow.python.ops import resource_variable_ops
from tensorflow.python.ops import tensor_array_ops
from tensorflow.python.platform import test
class NoReferenceCycleTests(test_util.TensorFlowTestCase):
@test_util.assert_no_garbage_created
def testEagerResourceVariables(self):
with context.eager_mode():
resource_variable_ops.ResourceVariable(1.0, name="a")
@test_util.assert_no_garbage_created
def testTensorArrays(self):
with context.eager_mode():
ta = tensor_array_ops.TensorArray(
dtype=dtypes.float32,
tensor_array_name="foo",
size=3,
infer_shape=False)
w0 = ta.write(0, [[4.0, 5.0]])
w1 = w0.write(1, [[1.0]])
w2 = w1.write(2, -3.0)
r0 = w2.read(0)
r1 = w2.read(1)
r2 = w2.read(2)
d0, d1, d2 = self.evaluate([r0, r1, r2])
self.assertAllEqual([[4.0, 5.0]], d0)
self.assertAllEqual([[1.0]], d1)
self.assertAllEqual(-3.0, d2)
if __name__ == "__main__":
test.main()
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