// Copyright (C) 2019-2020 Zilliz. 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 "index/thirdparty/faiss/MetricType.h"
#include "segcore/Utils.h"

#include <string.h>

#include <gtest/gtest.h>

TEST(Util, FaissMetricTypeToString) {
    using namespace milvus::segcore;

    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_INNER_PRODUCT), "METRIC_INNER_PRODUCT"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_L2), "METRIC_L2"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_L1), "METRIC_L1"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Linf), "METRIC_Linf"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Lp), "METRIC_Lp"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Jaccard), "METRIC_Jaccard"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Tanimoto), "METRIC_Tanimoto"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Hamming), "METRIC_Hamming"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Substructure), "METRIC_Substructure"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Superstructure), "METRIC_Superstructure"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_Canberra), "METRIC_Canberra"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_BrayCurtis), "METRIC_BrayCurtis"));
    ASSERT_EQ(0, strcmp(FaissMetricTypeToString(faiss::MetricType::METRIC_JensenShannon), "METRIC_JensenShannon"));
}