/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "tensorflow/core/framework/unique_tensor_references.h"
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#include "tensorflow/core/lib/core/status.h"
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#include "tensorflow/core/platform/test.h"
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namespace tensorflow {
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TEST(UniquifyTensors, TestUniqueVector) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(DT_FLOAT, TensorShape({2, 2}));
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EXPECT_FALSE(a.SharesBufferWith(b));
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refs.Add(a);
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refs.Add(b);
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TensorReferenceVector tensors;
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refs.FreezeAndReturnReferences(&tensors);
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EXPECT_EQ(2, tensors.size());
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if (tensors[0].SharesBufferWith(a)) {
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EXPECT_TRUE(tensors[1].SharesBufferWith(b));
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} else {
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EXPECT_TRUE(tensors[1].SharesBufferWith(a));
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EXPECT_TRUE(tensors[0].SharesBufferWith(b));
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}
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for (auto& t : tensors) {
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t.Unref();
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}
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}
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TEST(UniquifyTensors, TestNonUniqueVector) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(a);
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EXPECT_TRUE(a.SharesBufferWith(b));
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refs.Add(a);
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refs.Add(b);
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TensorReferenceVector tensors;
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refs.FreezeAndReturnReferences(&tensors);
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EXPECT_EQ(1, tensors.size());
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EXPECT_TRUE(tensors[0].SharesBufferWith(a));
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EXPECT_TRUE(tensors[0].SharesBufferWith(b));
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for (auto& t : tensors) {
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t.Unref();
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}
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}
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TEST(UniquifyTensors, TestNoLeakVector) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(DT_FLOAT, TensorShape({2, 2}));
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EXPECT_FALSE(a.SharesBufferWith(b));
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refs.Add(a);
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refs.Add(b);
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}
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TEST(UniquifyTensors, TestUniqueSet) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(DT_FLOAT, TensorShape({2, 2}));
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Tensor c(DT_FLOAT, TensorShape({2, 2}));
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Tensor d(DT_FLOAT, TensorShape({2, 2}));
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Tensor e(DT_FLOAT, TensorShape({2, 2}));
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EXPECT_FALSE(a.SharesBufferWith(b));
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refs.Add(a);
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refs.Add(b);
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refs.Add(c);
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refs.Add(d);
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refs.Add(e);
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TensorReferenceVector tensors;
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refs.FreezeAndReturnReferences(&tensors);
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EXPECT_EQ(5, tensors.size());
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for (auto& t : tensors) {
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t.Unref();
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}
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}
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TEST(UniquifyTensors, TestNonUniqueSet) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(DT_FLOAT, TensorShape({2, 2}));
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Tensor c(DT_FLOAT, TensorShape({2, 2}));
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Tensor d(DT_FLOAT, TensorShape({2, 2}));
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Tensor e(DT_FLOAT, TensorShape({2, 2}));
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Tensor f(c);
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EXPECT_TRUE(f.SharesBufferWith(c));
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refs.Add(a);
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refs.Add(b);
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refs.Add(c);
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refs.Add(d);
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refs.Add(e);
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refs.Add(f);
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TensorReferenceVector tensors;
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refs.FreezeAndReturnReferences(&tensors);
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EXPECT_EQ(5, tensors.size());
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for (auto& t : tensors) {
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t.Unref();
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}
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}
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TEST(UniquifyTensors, TestNoLeakSet) {
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UniqueTensorReferences refs;
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Tensor a(DT_FLOAT, TensorShape({2, 2}));
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Tensor b(DT_FLOAT, TensorShape({2, 2}));
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Tensor c(DT_FLOAT, TensorShape({2, 2}));
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Tensor d(DT_FLOAT, TensorShape({2, 2}));
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Tensor e(DT_FLOAT, TensorShape({2, 2}));
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refs.Add(a);
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refs.Add(b);
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refs.Add(c);
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refs.Add(d);
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refs.Add(e);
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}
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} // namespace tensorflow
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