IVGCVSW-2643 Add Serializer & Deserializer for Activation

 * Added ActivationLayer to Schema.fbs
 * Added Activation serialization and deserialization support
 * Added serialization and deserialization unit tests

Change-Id: Ib5df45f123674988b994ffe3f111d3fb57864912
Signed-off-by: Mike Kelly <mike.kelly@arm.com>
diff --git a/src/armnnDeserializer/test/DeserializeActivation.cpp b/src/armnnDeserializer/test/DeserializeActivation.cpp
new file mode 100644
index 0000000..ad03dd6
--- /dev/null
+++ b/src/armnnDeserializer/test/DeserializeActivation.cpp
@@ -0,0 +1,178 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include <boost/test/unit_test.hpp>
+#include "ParserFlatbuffersSerializeFixture.hpp"
+#include "../Deserializer.hpp"
+
+#include <string>
+#include <iostream>
+
+BOOST_AUTO_TEST_SUITE(DeserializeParser)
+
+struct ActivationFixture : public ParserFlatbuffersSerializeFixture
+{
+    explicit ActivationFixture(const std::string& inputShape,
+                               const std::string& outputShape,
+                               const std::string& dataType,
+                               const std::string& activationType="Sigmoid",
+                               const std::string& a = "0.0",
+                               const std::string& b = "0.0")
+    {
+        m_JsonString = R"(
+        {
+            inputIds: [0],
+            outputIds: [2],
+            layers: [{
+                layer_type: "InputLayer",
+                layer: {
+                    base: {
+                        layerBindingId: 0,
+                        base: {
+                            index: 0,
+                            layerName: "InputLayer",
+                            layerType: "Input",
+                            inputSlots: [{
+                                index: 0,
+                                connection: {sourceLayerIndex:0, outputSlotIndex:0 },
+                            }],
+                            outputSlots: [{
+                                index: 0,
+                                tensorInfo: {
+                                    dimensions: )" + inputShape + R"(,
+                                    dataType: )" + dataType + R"(
+                                },
+                            }],
+                        },
+                    }
+                },
+            },
+            {
+                layer_type: "ActivationLayer",
+                layer : {
+                    base: {
+                        index:1,
+                        layerName: "ActivationLayer",
+                        layerType: "Activation",
+                        inputSlots: [{
+                            index: 0,
+                            connection: {sourceLayerIndex:0, outputSlotIndex:0 },
+                        }],
+                        outputSlots: [{
+                            index: 0,
+                            tensorInfo: {
+                                dimensions: )" + outputShape + R"(,
+                                dataType: )" + dataType + R"(
+                            },
+                        }],
+                    },
+                    descriptor: {
+                        a: )" + a + R"(,
+                        b: )" + b + R"(,
+                        function: )" + activationType + R"(
+                    },
+                },
+            },
+            {
+                layer_type: "OutputLayer",
+                layer: {
+                    base:{
+                        layerBindingId: 2,
+                        base: {
+                            index: 2,
+                            layerName: "OutputLayer",
+                            layerType: "Output",
+                            inputSlots: [{
+                                index: 0,
+                                connection: {sourceLayerIndex:1, outputSlotIndex:0 },
+                            }],
+                            outputSlots: [{
+                                index: 0,
+                                tensorInfo: {
+                                    dimensions: )" + outputShape + R"(,
+                                    dataType: )" + dataType + R"(
+                                },
+                            }],
+                        }
+                    }
+                },
+            }]
+        }
+        )";
+        Setup();
+    }
+};
+
+struct SimpleActivationFixture : ActivationFixture
+{
+    SimpleActivationFixture() : ActivationFixture("[1, 2, 2, 1]",
+                                                  "[1, 2, 2, 1]",
+                                                  "QuantisedAsymm8",
+                                                  "ReLu") {}
+};
+
+struct SimpleActivationFixture2 : ActivationFixture
+{
+    SimpleActivationFixture2() : ActivationFixture("[1, 2, 2, 1]",
+                                                   "[1, 2, 2, 1]",
+                                                   "Float32",
+                                                   "ReLu") {}
+};
+
+struct SimpleActivationFixture3 : ActivationFixture
+{
+    SimpleActivationFixture3() : ActivationFixture("[1, 2, 2, 1]",
+                                                   "[1, 2, 2, 1]",
+                                                   "QuantisedAsymm8",
+                                                   "BoundedReLu",
+                                                   "5.0",
+                                                   "0.0") {}
+};
+
+struct SimpleActivationFixture4 : ActivationFixture
+{
+    SimpleActivationFixture4() : ActivationFixture("[1, 2, 2, 1]",
+                                                   "[1, 2, 2, 1]",
+                                                   "Float32",
+                                                   "BoundedReLu",
+                                                   "5.0",
+                                                   "0.0") {}
+};
+
+
+BOOST_FIXTURE_TEST_CASE(ActivationReluQuantisedAsymm8, SimpleActivationFixture)
+{
+    RunTest<4, armnn::DataType::QuantisedAsymm8>(
+            0,
+            {{"InputLayer", {10, 0, 2, 0}}},
+            {{"OutputLayer", {10, 0, 2, 0}}});
+}
+
+BOOST_FIXTURE_TEST_CASE(ActivationReluFloat32, SimpleActivationFixture2)
+{
+    RunTest<4, armnn::DataType::Float32>(
+            0,
+            {{"InputLayer", {111, -85, 226, 3}}},
+            {{"OutputLayer", {111, 0, 226, 3}}});
+}
+
+
+BOOST_FIXTURE_TEST_CASE(ActivationBoundedReluQuantisedAsymm8, SimpleActivationFixture3)
+{
+    RunTest<4, armnn::DataType::QuantisedAsymm8>(
+            0,
+            {{"InputLayer", {10, 0, 2, 0}}},
+            {{"OutputLayer", {5, 0, 2, 0}}});
+}
+
+BOOST_FIXTURE_TEST_CASE(ActivationBoundedReluFloat32, SimpleActivationFixture4)
+{
+    RunTest<4, armnn::DataType::Float32>(
+            0,
+            {{"InputLayer", {111, -85, 226, 3}}},
+            {{"OutputLayer", {5, 0, 5, 3}}});
+}
+
+BOOST_AUTO_TEST_SUITE_END()