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      1 /* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
      2 
      3 Licensed under the Apache License, Version 2.0 (the "License");
      4 you may not use this file except in compliance with the License.
      5 You may obtain a copy of the License at
      6 
      7     http://www.apache.org/licenses/LICENSE-2.0
      8 
      9 Unless required by applicable law or agreed to in writing, software
     10 distributed under the License is distributed on an "AS IS" BASIS,
     11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 See the License for the specific language governing permissions and
     13 limitations under the License.
     14 ==============================================================================*/
     15 
     16 #include <functional>
     17 #include <memory>
     18 
     19 #include "tensorflow/core/framework/allocator.h"
     20 #include "tensorflow/core/framework/fake_input.h"
     21 #include "tensorflow/core/framework/node_def_builder.h"
     22 #include "tensorflow/core/framework/op_kernel.h"
     23 #include "tensorflow/core/framework/tensor.h"
     24 #include "tensorflow/core/framework/types.h"
     25 #include "tensorflow/core/framework/types.pb.h"
     26 #include "tensorflow/core/kernels/ops_testutil.h"
     27 #include "tensorflow/core/kernels/ops_util.h"
     28 #include "tensorflow/core/lib/core/status_test_util.h"
     29 #include "tensorflow/core/lib/strings/strcat.h"
     30 #include "tensorflow/core/platform/logging.h"
     31 #include "tensorflow/core/platform/test.h"
     32 
     33 namespace tensorflow {
     34 namespace {
     35 
     36 class DynamicStitchOpTest : public OpsTestBase {
     37  protected:
     38   void MakeOp(int n, DataType dt) {
     39     TF_ASSERT_OK(NodeDefBuilder("myop", "DynamicStitch")
     40                      .Input(FakeInput(n, DT_INT32))
     41                      .Input(FakeInput(n, dt))
     42                      .Finalize(node_def()));
     43     TF_ASSERT_OK(InitOp());
     44   }
     45 };
     46 
     47 TEST_F(DynamicStitchOpTest, Simple_OneD) {
     48   MakeOp(2, DT_FLOAT);
     49 
     50   // Feed and run
     51   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 7});
     52   AddInputFromArray<int32>(TensorShape({5}), {1, 6, 2, 3, 5});
     53   AddInputFromArray<float>(TensorShape({3}), {0, 40, 70});
     54   AddInputFromArray<float>(TensorShape({5}), {10, 60, 20, 30, 50});
     55   TF_ASSERT_OK(RunOpKernel());
     56 
     57   // Check the output.
     58   Tensor expected(allocator(), DT_FLOAT, TensorShape({8}));
     59   test::FillValues<float>(&expected, {0, 10, 20, 30, 40, 50, 60, 70});
     60   test::ExpectTensorEqual<float>(expected, *GetOutput(0));
     61 }
     62 
     63 TEST_F(DynamicStitchOpTest, Simple_TwoD) {
     64   MakeOp(3, DT_FLOAT);
     65 
     66   // Feed and run
     67   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 7});
     68   AddInputFromArray<int32>(TensorShape({2}), {1, 6});
     69   AddInputFromArray<int32>(TensorShape({3}), {2, 3, 5});
     70   AddInputFromArray<float>(TensorShape({3, 2}), {0, 1, 40, 41, 70, 71});
     71   AddInputFromArray<float>(TensorShape({2, 2}), {10, 11, 60, 61});
     72   AddInputFromArray<float>(TensorShape({3, 2}), {20, 21, 30, 31, 50, 51});
     73   TF_ASSERT_OK(RunOpKernel());
     74 
     75   // Check the output.
     76   Tensor expected(allocator(), DT_FLOAT, TensorShape({8, 2}));
     77   test::FillValues<float>(&expected, {0, 1, 10, 11, 20, 21, 30, 31, 40, 41, 50,
     78                                       51, 60, 61, 70, 71});
     79   test::ExpectTensorEqual<float>(expected, *GetOutput(0));
     80 }
     81 
     82 TEST_F(DynamicStitchOpTest, Error_IndicesMultiDimensional) {
     83   MakeOp(2, DT_FLOAT);
     84 
     85   // Feed and run
     86   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 7});
     87   AddInputFromArray<int32>(TensorShape({1, 5}), {1, 6, 2, 3, 5});
     88   AddInputFromArray<float>(TensorShape({3}), {0, 40, 70});
     89   AddInputFromArray<float>(TensorShape({5}), {10, 60, 20, 30, 50});
     90   Status s = RunOpKernel();
     91   EXPECT_TRUE(StringPiece(s.ToString())
     92                   .contains("data[1].shape = [5] does not start with "
     93                             "indices[1].shape = [1,5]"))
     94       << s;
     95 }
     96 
     97 TEST_F(DynamicStitchOpTest, Error_DataNumDimsMismatch) {
     98   MakeOp(2, DT_FLOAT);
     99 
    100   // Feed and run
    101   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 7});
    102   AddInputFromArray<int32>(TensorShape({5}), {1, 6, 2, 3, 5});
    103   AddInputFromArray<float>(TensorShape({3}), {0, 40, 70});
    104   AddInputFromArray<float>(TensorShape({1, 5}), {10, 60, 20, 30, 50});
    105   Status s = RunOpKernel();
    106   EXPECT_TRUE(StringPiece(s.ToString())
    107                   .contains("data[1].shape = [1,5] does not start with "
    108                             "indices[1].shape = [5]"))
    109       << s;
    110 }
    111 
    112 TEST_F(DynamicStitchOpTest, Error_DataDimSizeMismatch) {
    113   MakeOp(2, DT_FLOAT);
    114 
    115   // Feed and run
    116   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 5});
    117   AddInputFromArray<int32>(TensorShape({4}), {1, 6, 2, 3});
    118   AddInputFromArray<float>(TensorShape({3, 1}), {0, 40, 70});
    119   AddInputFromArray<float>(TensorShape({4, 2}),
    120                            {10, 11, 60, 61, 20, 21, 30, 31});
    121   Status s = RunOpKernel();
    122   EXPECT_TRUE(StringPiece(s.ToString())
    123                   .contains("Need data[0].shape[1:] = data[1].shape[1:], "
    124                             "got data[0].shape = [3,1], data[1].shape = [4,2]"))
    125       << s;
    126 }
    127 
    128 TEST_F(DynamicStitchOpTest, Error_DataAndIndicesSizeMismatch) {
    129   MakeOp(2, DT_FLOAT);
    130 
    131   // Feed and run
    132   AddInputFromArray<int32>(TensorShape({3}), {0, 4, 7});
    133   AddInputFromArray<int32>(TensorShape({5}), {1, 6, 2, 3, 5});
    134   AddInputFromArray<float>(TensorShape({3}), {0, 40, 70});
    135   AddInputFromArray<float>(TensorShape({4}), {10, 60, 20, 30});
    136   Status s = RunOpKernel();
    137   EXPECT_TRUE(
    138       StringPiece(s.ToString())
    139           .contains(
    140               "data[1].shape = [4] does not start with indices[1].shape = [5]"))
    141       << s;
    142 }
    143 
    144 }  // namespace
    145 }  // namespace tensorflow
    146