1 files changed, 126 insertions, 0 deletions
diff --git a/src/armnnTfLiteParser/test/GetBuffer.cpp b/src/armnnTfLiteParser/test/GetBuffer.cpp
new file mode 100644
index 0000000000..7486f01b52
--- /dev/null
+++ b/src/armnnTfLiteParser/test/GetBuffer.cpp
@@ -0,0 +1,126 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// See LICENSE file in the project root for full license information.
+//
+
+#include <boost/test/unit_test.hpp>
+#include "ParserFlatbuffersFixture.hpp"
+#include "../TfLiteParser.hpp"
+#include <sstream>
+
+using armnnTfLiteParser::TfLiteParser;
+
+BOOST_AUTO_TEST_SUITE(TensorflowLiteParser)
+
+struct GetBufferFixture : public ParserFlatbuffersFixture
+{
+    explicit GetBufferFixture()
+    {
+        m_JsonString = R"(
+            {
+                "version": 3,
+                "operator_codes": [ { "builtin_code": "CONV_2D" } ],
+                "subgraphs": [ {
+                    "tensors": [
+                        {
+                            "shape": [ 1, 3, 3, 1 ],
+                            "type": "UINT8",
+                            "buffer": 0,
+                            "name": "inputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        },
+                        {
+                            "shape": [ 1, 1, 1, 1 ],
+                            "type": "UINT8",
+                            "buffer": 1,
+                            "name": "outputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 511.0 ],
+                                "scale": [ 2.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        },
+                        {
+                            "shape": [ 1, 3, 3, 1 ],
+                            "type": "UINT8",
+                            "buffer": 2,
+                            "name": "filterTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        }
+                    ],
+                    "inputs": [ 0 ],
+                    "outputs": [ 1 ],
+                    "operators": [
+                        {
+                            "opcode_index": 0,
+                            "inputs": [ 0, 2 ],
+                            "outputs": [ 1 ],
+                            "builtin_options_type": "Conv2DOptions",
+                            "builtin_options": {
+                                "padding": "VALID",
+                                "stride_w": 1,
+                                "stride_h": 1,
+                                "fused_activation_function": "NONE"
+                            },
+                            "custom_options_format": "FLEXBUFFERS"
+                        }
+                    ],
+                } ],
+                "buffers" : [
+                    { },
+                    { },
+                    { "data": [ 2,1,0,  6,2,1, 4,1,2 ], },
+                    { },
+                ]
+            }
+        )";
+        ReadStringToBinary();
+    }
+
+    void CheckBufferContents(const TfLiteParser::ModelPtr& model,
+                             std::vector<int32_t> bufferValues, size_t bufferIndex)
+    {
+        for(long unsigned int i=0; i<bufferValues.size(); i++)
+        {
+            BOOST_CHECK_EQUAL(TfLiteParser::GetBuffer(model, bufferIndex)->data[i], bufferValues[i]);
+        }
+    }
+};
+
+BOOST_FIXTURE_TEST_CASE(GetBufferCheckContents, GetBufferFixture)
+{
+    //Check contents of buffer are correct
+    TfLiteParser::ModelPtr model = TfLiteParser::LoadModelFromBinary(m_GraphBinary.data(), m_GraphBinary.size());
+    std::vector<int32_t> bufferValues = {2,1,0,6,2,1,4,1,2};
+    CheckBufferContents(model, bufferValues, 2);
+}
+
+BOOST_FIXTURE_TEST_CASE(GetBufferCheckEmpty, GetBufferFixture)
+{
+    //Check if test fixture buffers are empty or not
+    TfLiteParser::ModelPtr model = TfLiteParser::LoadModelFromBinary(m_GraphBinary.data(), m_GraphBinary.size());
+    BOOST_CHECK(TfLiteParser::GetBuffer(model, 0)->data.empty());
+    BOOST_CHECK(TfLiteParser::GetBuffer(model, 1)->data.empty());
+    BOOST_CHECK(!TfLiteParser::GetBuffer(model, 2)->data.empty());
+    BOOST_CHECK(TfLiteParser::GetBuffer(model, 3)->data.empty());
+}
+
+BOOST_FIXTURE_TEST_CASE(GetBufferCheckParseException, GetBufferFixture)
+{
+    //Check if armnn::ParseException thrown when invalid buffer index used
+    TfLiteParser::ModelPtr model = TfLiteParser::LoadModelFromBinary(m_GraphBinary.data(), m_GraphBinary.size());
+    BOOST_CHECK_THROW(TfLiteParser::GetBuffer(model, 4)->data.empty(), armnn::Exception);
+}
+
+BOOST_AUTO_TEST_SUITE_END()