Added comparison operators to TfLiteParser

E.g. Equal, NotEqual, Greater, GreaterOrEqual, Less and LessOrEqual

Signed-off-by: Bruno Goncalves <bruno.slackware@gmail.com>
Change-Id: Id56ef3cc19cc5c5daa19354010c9f25766e5fd00
diff --git a/src/armnnTfLiteParser/test/Comparison.cpp b/src/armnnTfLiteParser/test/Comparison.cpp
new file mode 100644
index 0000000..5ae194b
--- /dev/null
+++ b/src/armnnTfLiteParser/test/Comparison.cpp
@@ -0,0 +1,266 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ParserFlatbuffersFixture.hpp"
+#include "../TfLiteParser.hpp"
+
+#include <string>
+
+TEST_SUITE("TensorflowLiteParser_Comparison")
+{
+struct ComparisonFixture : public ParserFlatbuffersFixture
+{
+    explicit ComparisonFixture(const std::string& operatorCode,
+                                     const std::string& dataType,
+                                     const std::string& inputShape,
+                                     const std::string& inputShape2,
+                                     const std::string& outputShape)
+    {
+        m_JsonString = R"(
+            {
+                "version": 3,
+                "operator_codes": [ { "builtin_code": )" + operatorCode + R"( } ],
+                "subgraphs": [ {
+                    "tensors": [
+                        {
+                            "shape": )" + inputShape + R"(,
+                            "type": )" + dataType + R"( ,
+                            "buffer": 0,
+                            "name": "inputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        },
+                        {
+                            "shape": )" + inputShape2 + R"(,
+                            "type": )" + dataType + R"( ,
+                            "buffer": 1,
+                            "name": "inputTensor2",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        },
+                        {
+                            "shape": )" + outputShape + R"( ,
+                            "type": "BOOL",
+                            "buffer": 2,
+                            "name": "outputTensor",
+                            "quantization": {
+                                "min": [ 0.0 ],
+                                "max": [ 255.0 ],
+                                "scale": [ 1.0 ],
+                                "zero_point": [ 0 ],
+                            }
+                        }
+                    ],
+                    "inputs": [ 0, 1 ],
+                    "outputs": [ 2 ],
+                    "operators": [
+                        {
+                            "opcode_index": 0,
+                            "inputs": [ 0, 1 ],
+                            "outputs": [ 2 ],
+                            "custom_options_format": "FLEXBUFFERS"
+                        }
+                    ],
+                } ],
+                "buffers" : [
+                    { },
+                    { }
+                ]
+            }
+        )";
+        Setup();
+    }
+};
+
+struct SimpleEqualFixture : public ComparisonFixture
+{
+    SimpleEqualFixture() : ComparisonFixture("EQUAL", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleEqualFixture, "SimpleEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 1, 2, 3 }},
+                    {"inputTensor2", { 0, 1, 5, 6 }}},
+                   {{"outputTensor", { 1, 1, 0, 0 }}});
+}
+
+struct BroadcastEqualFixture : public ComparisonFixture
+{
+    BroadcastEqualFixture() : ComparisonFixture("EQUAL", "UINT8", "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastEqualFixture, "BroadcastEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 1, 2, 3 }},
+                    {"inputTensor2", { 0, 1 }}},
+                   {{"outputTensor", { 1, 1, 0, 0 }}});
+}
+
+struct SimpleNotEqualFixture : public ComparisonFixture
+{
+    SimpleNotEqualFixture() : ComparisonFixture("NOT_EQUAL", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleNotEqualFixture, "SimpleNotEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 1, 2, 3 }},
+                    {"inputTensor2", { 0, 1, 5, 6 }}},
+                   {{"outputTensor", { 0, 0, 1, 1 }}});
+}
+
+struct BroadcastNotEqualFixture : public ComparisonFixture
+{
+    BroadcastNotEqualFixture() : ComparisonFixture("NOT_EQUAL", "UINT8", "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastNotEqualFixture, "BroadcastNotEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 1, 2, 3 }},
+                    {"inputTensor2", { 0, 1 }}},
+                   {{"outputTensor", { 0, 0, 1, 1 }}});
+}
+
+struct SimpleGreaterFixture : public ComparisonFixture
+{
+    SimpleGreaterFixture() : ComparisonFixture("GREATER", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleGreaterFixture, "SimpleGreater")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 2, 3, 6 }},
+                    {"inputTensor2", { 0, 1, 5, 3 }}},
+                   {{"outputTensor", { 0, 1, 0, 1 }}});
+}
+
+struct BroadcastGreaterFixture : public ComparisonFixture
+{
+    BroadcastGreaterFixture() : ComparisonFixture("GREATER", "UINT8", "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastGreaterFixture, "BroadcastGreater")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 5, 4, 1, 0 }},
+                    {"inputTensor2", { 2, 3 }}},
+                   {{"outputTensor", { 1, 1, 0, 0 }}});
+}
+
+struct SimpleGreaterOrEqualFixture : public ComparisonFixture
+{
+    SimpleGreaterOrEqualFixture() : ComparisonFixture("GREATER_EQUAL", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleGreaterOrEqualFixture, "SimpleGreaterOrEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 2, 3, 6 }},
+                    {"inputTensor2", { 0, 1, 5, 3 }}},
+                   {{"outputTensor", { 1, 1, 0, 1 }}});
+}
+
+struct BroadcastGreaterOrEqualFixture : public ComparisonFixture
+{
+    BroadcastGreaterOrEqualFixture() : ComparisonFixture("GREATER_EQUAL", "UINT8",
+                                                         "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastGreaterOrEqualFixture, "BroadcastGreaterOrEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 5, 4, 1, 0 }},
+                    {"inputTensor2", { 2, 4 }}},
+                   {{"outputTensor", { 1, 1, 0, 0 }}});
+}
+
+struct SimpleLessFixture : public ComparisonFixture
+{
+    SimpleLessFixture() : ComparisonFixture("LESS", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleLessFixture, "SimpleLess")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 2, 3, 6 }},
+                    {"inputTensor2", { 0, 1, 5, 3 }}},
+                   {{"outputTensor", { 0, 0, 1, 0 }}});
+}
+
+struct BroadcastLessFixture : public ComparisonFixture
+{
+    BroadcastLessFixture() : ComparisonFixture("LESS", "UINT8", "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastLessFixture, "BroadcastLess")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 5, 4, 1, 0 }},
+                    {"inputTensor2", { 2, 3 }}},
+                   {{"outputTensor", { 0, 0, 1, 1 }}});
+}
+
+struct SimpleLessOrEqualFixture : public ComparisonFixture
+{
+    SimpleLessOrEqualFixture() : ComparisonFixture("LESS_EQUAL", "UINT8", "[ 2, 2 ]", "[ 2, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(SimpleLessOrEqualFixture, "SimpleLessOrEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 0, 2, 3, 6 }},
+                    {"inputTensor2", { 0, 1, 5, 3 }}},
+                   {{"outputTensor", { 1, 0, 1, 0 }}});
+}
+
+struct BroadcastLessOrEqualFixture : public ComparisonFixture
+{
+    BroadcastLessOrEqualFixture() : ComparisonFixture("LESS_EQUAL", "UINT8", "[ 2, 2 ]", "[ 1, 2 ]", "[ 2, 2 ]") {}
+};
+
+TEST_CASE_FIXTURE(BroadcastLessOrEqualFixture, "BroadcastLessOrEqual")
+{
+    RunTest<2, armnn::DataType::QAsymmU8,
+               armnn::DataType::Boolean>(
+                   0,
+                   {{"inputTensor",  { 5, 4, 1, 0 }},
+                    {"inputTensor2", { 1, 3 }}},
+                   {{"outputTensor", { 0, 0, 1, 1 }}});
+}
+
+}