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authorGravatar Mingsheng Hong <hongm@google.com>2018-03-22 20:51:51 -0700
committerGravatar TensorFlower Gardener <gardener@tensorflow.org>2018-03-22 20:54:37 -0700
commit0191d264a6e3da12ff7db5ba8002fed6356f071b (patch)
tree1e974458c633f2f64e3a6d6165e66905c7605083 /tensorflow/c/c_api_experimental_test.cc
parent72f48771ea4fce68af893bcda862ca390a0e6b70 (diff)
Added experimental C APIs to build a hard-coded stack of dataset + iterator.
PiperOrigin-RevId: 190170332
Diffstat (limited to 'tensorflow/c/c_api_experimental_test.cc')
-rw-r--r--tensorflow/c/c_api_experimental_test.cc66
1 files changed, 66 insertions, 0 deletions
diff --git a/tensorflow/c/c_api_experimental_test.cc b/tensorflow/c/c_api_experimental_test.cc
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index 0000000000..9ddd65f0c5
--- /dev/null
+++ b/tensorflow/c/c_api_experimental_test.cc
@@ -0,0 +1,66 @@
+/* Copyright 2018 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.
+==============================================================================*/
+
+#include "tensorflow/c/c_api_experimental.h"
+#include "tensorflow/c/c_test_util.h"
+
+namespace tensorflow {
+namespace {
+
+void TestIteratorStack() {
+ TF_Status* s = TF_NewStatus();
+ TF_Graph* graph = TF_NewGraph();
+
+ TF_Function* dataset_func = nullptr;
+
+ TF_Operation* get_next =
+ TF_MakeIteratorGetNextWithDatasets(graph, "dummy_path", &dataset_func, s);
+ ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
+
+ ASSERT_NE(dataset_func, nullptr);
+ TF_DeleteFunction(dataset_func);
+
+ CSession csession(graph, s);
+ ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
+
+ // Run the graph.
+ for (int i = 0; i < 1; ++i) {
+ csession.SetOutputs({get_next});
+ csession.Run(s);
+ ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
+ TF_Tensor* out = csession.output_tensor(0);
+ ASSERT_TRUE(out != nullptr);
+ EXPECT_EQ(TF_INT32, TF_TensorType(out));
+ EXPECT_EQ(0, TF_NumDims(out)); // scalar
+ ASSERT_EQ(sizeof(int32), TF_TensorByteSize(out));
+ int32* output_contents = static_cast<int32*>(TF_TensorData(out));
+ EXPECT_EQ(1, *output_contents);
+ }
+
+ // This should error out since we've exhausted the iterator.
+ csession.Run(s);
+ ASSERT_EQ(TF_OUT_OF_RANGE, TF_GetCode(s)) << TF_Message(s);
+
+ // Clean up
+ csession.CloseAndDelete(s);
+ ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
+ TF_DeleteGraph(graph);
+ TF_DeleteStatus(s);
+}
+
+TEST(CAPI_EXPERIMENTAL, IteratorGetNext) { TestIteratorStack(); }
+
+} // namespace
+} // namespace tensorflow