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/*
* Copyright (c) 2021 Arm Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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 "Classifier.hpp"
#include <catch.hpp>
template<typename T>
void test_classifier_result(std::vector<std::pair<uint32_t, T>>& selectedResults, T defaultTensorValue) {
int dimArray[] = {1, 1001};
std::vector <std::string> labels(1001);
std::vector<T> outputVec(1001, defaultTensorValue);
TfLiteIntArray* dims= tflite::testing::IntArrayFromInts(dimArray);
TfLiteTensor tfTensor = tflite::testing::CreateQuantizedTensor(outputVec.data(), dims, 1, 0);
TfLiteTensor* outputTensor = &tfTensor;
std::vector <arm::app::ClassificationResult> resultVec;
for (auto& selectedResult : selectedResults) {
outputVec[selectedResult.first] = selectedResult.second;
}
arm::app::Classifier classifier;
REQUIRE(classifier.GetClassificationResults(outputTensor, resultVec, labels, 5, true));
REQUIRE(5 == resultVec.size());
for (size_t i = 0; i < resultVec.size(); ++i) {
REQUIRE(resultVec[i].m_labelIdx == selectedResults[i].first);
}
}
TEST_CASE("Common classifier")
{
SECTION("Test invalid classifier")
{
TfLiteTensor* outputTens = nullptr;
std::vector <arm::app::ClassificationResult> resultVec;
arm::app::Classifier classifier;
REQUIRE(!classifier.GetClassificationResults(outputTens, resultVec, {}, 5, true));
}
SECTION("Test classification results")
{
SECTION("uint8") {
/* Set the top five results <position, score>. */
std::vector<std::pair<uint32_t, uint8_t>> selectedResults {
{1000, 10}, {15, 9}, {0, 8}, {20, 7}, {10, 7} };
test_classifier_result(selectedResults, static_cast<uint8_t>(5));
}
SECTION("int8") {
/* Set the top five results <position, score>. */
std::vector<std::pair<uint32_t, int8_t>> selectedResults {
{1000, 10}, {15, 9}, {0, 8}, {20, -7}, {10, -7} };
test_classifier_result(selectedResults, static_cast<int8_t>(-100));
}
SECTION("float") {
/* Set the top five results <position, score>. */
std::vector<std::pair<uint32_t, float>> selectedResults {
{1000, 10.9f}, {15, 9.8f}, {0, 8.7f}, {20, -7.0f}, {10, -7.1f} };
test_classifier_result(selectedResults, -100.0f);
}
}
}
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