/* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License, version 2.0,
 as published by the Free Software Foundation.

 This program is also distributed with certain software (including
 but not limited to OpenSSL) that is licensed under separate terms,
 as designated in a particular file or component or in included license
 documentation.  The authors of MySQL hereby grant you an additional
 permission to link the program and your derivative works with the
 separately licensed software that they have included with MySQL.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License, version 2.0, for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#include <gtest/gtest.h>

#include "plugin/x/src/helper/string_case.h"
#include "plugin/x/src/mysql_function_names.h"

namespace xpl {
namespace mysql_function_names_test {
std::vector<const char *> get_native_mysql_functions();
std::vector<const char *> get_mysql_functions_that_return_json();
std::vector<const char *> get_mysql_functions_that_operate_on_json();
std::vector<const char *> get_other_mysql_functions();
std::vector<const char *> get_special_mysql_functions();
std::vector<const char *> get_all_mysql_function_names();
}  // namespace mysql_function_names_test

namespace test {

class Mysql_function_names_order_test
    : public ::testing::TestWithParam<std::vector<const char *>> {};

TEST_P(Mysql_function_names_order_test, mysqld_function_order) {
  const auto &param = GetParam();
  std::vector<const char *> expect{param};
  std::sort(expect.begin(), expect.end(), Is_less());
  const auto p = std::mismatch(expect.begin(), expect.end(), param.begin());
  ASSERT_EQ(expect.end(), p.first) << "Incorect order between '" << *p.second
                                   << "' and '" << *p.first << "'";
}

INSTANTIATE_TEST_CASE_P(
    Order_mysql_functions, Mysql_function_names_order_test,
    ::testing::Values(
        mysql_function_names_test::get_native_mysql_functions(),
        mysql_function_names_test::get_mysql_functions_that_return_json(),
        mysql_function_names_test::get_mysql_functions_that_operate_on_json(),
        mysql_function_names_test::get_other_mysql_functions(),
        mysql_function_names_test::get_special_mysql_functions()));

class Mysql_function_names_pass_test
    : public ::testing::TestWithParam<const char *> {};

TEST_P(Mysql_function_names_pass_test, is_mysqld_function) {
  const auto name = GetParam();
  ASSERT_TRUE(is_native_mysql_function(name))
      << "Function '" << name << "' is missing";
}

const char *const native_mysql_functions_param[] = {${NATIVE_MYSQL_FUNCTIONS}};

const char *const special_mysql_functions_param[] = {
    ${SPECIAL_MYSQL_FUNCTIONS}};

const char *const other_mysql_functions_param[] = {
    "PASSWORD",       "CURRENT_DATE", "CURRENT_TIME", "CURRENT_TIMESTAMP",
    "GEOMCOLLECTION", "LAG",          "LEAD",         "LOCALTIME",
    "LOCALTIMESTAMP", "SCHEMA",       "DISTINCT",     ${OTHER_MYSQL_FUNCTIONS}};

INSTANTIATE_TEST_CASE_P(Native_mysql_functions, Mysql_function_names_pass_test,
                        ::testing::ValuesIn(native_mysql_functions_param));

INSTANTIATE_TEST_CASE_P(Special_mysql_functions, Mysql_function_names_pass_test,
                        ::testing::ValuesIn(special_mysql_functions_param));

INSTANTIATE_TEST_CASE_P(Other_mysql_functions, Mysql_function_names_pass_test,
                        ::testing::ValuesIn(other_mysql_functions_param));

class Mysql_function_names_fail_test
    : public ::testing::TestWithParam<const char *> {};

TEST_P(Mysql_function_names_fail_test, is_not_mysqld_function) {
  ASSERT_FALSE(is_native_mysql_function(GetParam()));
}

INSTANTIATE_TEST_CASE_P(Mysql_function_names_fail,
                        Mysql_function_names_fail_test,
                        ::testing::Values("meeny", "miny", "moe"));

class Mysql_function_names_reverse_test
    : public ::testing::TestWithParam<const char *> {
 protected:
  template <typename T>
  bool find(const T &array, const char *value) {
    return std::find_if(std::begin(array), std::end(array),
                        [&value](const char *name) {
                          return std::strcmp(value, name) == 0;
                        }) != std::end(array);
  }
};

TEST_P(Mysql_function_names_reverse_test, mysqld_function_reverse_scenario) {
  const auto &name = GetParam();
  ASSERT_TRUE(find(native_mysql_functions_param, name) ||
              find(special_mysql_functions_param, name) ||
              find(other_mysql_functions_param, name))
      << "Function '" << name << "' should be removed";
}

INSTANTIATE_TEST_CASE_P(
    Mysql_function_names_reverse, Mysql_function_names_reverse_test,
    ::testing::ValuesIn(
        mysql_function_names_test::get_all_mysql_function_names()));

struct Param_mysql_functions {
  const char *name;
  bool expect;
};

enum {
  PASS = true,
  FAIL = false,
  OPERATOR = false,
  INTERNAL = false,
  REMOVED = false,
  UDF = false,
};

// https://dev.mysql.com/doc/refman/8.0/en/func-op-summary-ref.html
Param_mysql_functions documentation_mysql_functions_param[] = {
    {"ABS", PASS},
    {"ACOS", PASS},
    {"ADDDATE", PASS},
    {"ADDTIME", PASS},
    {"AES_DECRYPT", PASS},
    {"AES_ENCRYPT", PASS},
    {"AND", OPERATOR},
    {"&&", OPERATOR},
    {"ANY_VALUE", PASS},
    {"ASCII", PASS},
    {"ASIN", PASS},
    {"=", OPERATOR},
    {":=", OPERATOR},
    {"ASYMMETRIC_DECRYPT", UDF},
    {"ASYMMETRIC_DERIVE", UDF},
    {"ASYMMETRIC_ENCRYPT", UDF},
    {"ASYMMETRIC_SIGN", UDF},
    {"ASYMMETRIC_VERIFY", UDF},
    {"ATAN", PASS},
    {"ATAN2", PASS},
    {"AVG", PASS},
    {"BENCHMARK", PASS},
    {"BETWEEN ... AND ...", OPERATOR},
    {"BIN", PASS},
    {"BIN_TO_UUID", PASS},
    {"BINARY", OPERATOR},
    {"BIT_AND", PASS},
    {"BIT_COUNT", PASS},
    {"BIT_LENGTH", PASS},
    {"BIT_OR", PASS},
    {"BIT_XOR", PASS},
    {"&", OPERATOR},
    {"~", OPERATOR},
    {"|", OPERATOR},
    {"^", OPERATOR},
    {"CAN_ACCESS_COLUMN", INTERNAL},
    {"CAN_ACCESS_DATABASE", INTERNAL},
    {"CAN_ACCESS_TABLE", INTERNAL},
    {"CAN_ACCESS_VIEW", INTERNAL},
    {"CASE", OPERATOR},
    {"CAST", PASS},
    {"CEIL", PASS},
    {"CEILING", PASS},
    {"CHAR", PASS},
    {"CHAR_LENGTH", PASS},
    {"CHARACTER_LENGTH", PASS},
    {"CHARSET", PASS},
    {"COALESCE", PASS},
    {"COERCIBILITY", PASS},
    {"COLLATION", PASS},
    {"COMPRESS", PASS},
    {"CONCAT", PASS},
    {"CONCAT_WS", PASS},
    {"CONNECTION_ID", PASS},
    {"CONV", PASS},
    {"CONVERT", PASS},
    {"CONVERT_TZ", PASS},
    {"COS", PASS},
    {"COT", PASS},
    {"COUNT", PASS},
    {"COUNT(DISTINCT)", OPERATOR},
    {"CRC32", PASS},
    {"CREATE_ASYMMETRIC_PRIV_KEY", UDF},
    {"CREATE_ASYMMETRIC_PUB_KEY", UDF},
    {"CREATE_DH_PARAMETERS", UDF},
    {"CREATE_DIGEST", UDF},
    {"CUME_DIST", PASS},
    {"CURDATE", PASS},
    {"CURRENT_DATE", PASS},
    {"CURRENT_ROLE", PASS},
    {"CURRENT_TIME", PASS},
    {"CURRENT_TIMESTAMP", PASS},
    {"CURRENT_USER", PASS},
    {"CURTIME", PASS},
    {"DATABASE", PASS},
    {"DATE", PASS},
    {"DATE_ADD", PASS},
    {"DATE_FORMAT", PASS},
    {"DATE_SUB", PASS},
    {"DATEDIFF", PASS},
    {"DAY", PASS},
    {"DAYNAME", PASS},
    {"DAYOFMONTH", PASS},
    {"DAYOFWEEK", PASS},
    {"DAYOFYEAR", PASS},
    {"DECODE", REMOVED},
    {"DEFAULT", PASS},
    {"DEGREES", PASS},
    {"DENSE_RANK", PASS},
    {"DES_DECRYPT", REMOVED},
    {"DES_ENCRYPT", REMOVED},
    {"DIV", OPERATOR},
    {"/", OPERATOR},
    {"ELT", PASS},
    {"ENCODE", REMOVED},
    {"ENCRYPT", REMOVED},
    {"=", OPERATOR},
    {"<=>", OPERATOR},
    {"EXP", PASS},
    {"EXPORT_SET", PASS},
    {"EXTRACT", PASS},
    {"ExtractValue", PASS},
    {"FIELD", PASS},
    {"FIND_IN_SET", PASS},
    {"FIRST_VALUE", PASS},
    {"FLOOR", PASS},
    {"FORMAT", PASS},
    {"FORMAT_BYTES", PASS},
    {"FORMAT_PICO_TIME", PASS},
    {"FOUND_ROWS", PASS},
    {"FROM_BASE64", PASS},
    {"FROM_DAYS", PASS},
    {"FROM_UNIXTIME", PASS},
    {"GeomCollection", PASS},
    {"GeometryCollection", PASS},
    {"GET_DD_COLUMN_PRIVILEGES", INTERNAL},
    {"GET_DD_CREATE_OPTIONS", INTERNAL},
    {"GET_DD_INDEX_SUB_PART_LENGTH", INTERNAL},
    {"GET_FORMAT", PASS},
    {"GET_LOCK", PASS},
    {">", OPERATOR},
    {">=", OPERATOR},
    {"GREATEST", PASS},
    {"GROUP_CONCAT", PASS},
    {"GROUPING", PASS},
    {"GTID_SUBSET", PASS},
    {"GTID_SUBTRACT", PASS},
    {"HEX", PASS},
    {"HOUR", PASS},
    {"ICU_VERSION", PASS},
    {"IF", PASS},
    {"IFNULL", PASS},
    {"IN", OPERATOR},
    {"INET_ATON", PASS},
    {"INET_NTOA", PASS},
    {"INET6_ATON", PASS},
    {"INET6_NTOA", PASS},
    {"INSERT", PASS},
    {"INSTR", PASS},
    {"INTERNAL_AUTO_INCREMENT", INTERNAL},
    {"INTERNAL_AVG_ROW_LENGTH", INTERNAL},
    {"INTERNAL_CHECK_TIME", INTERNAL},
    {"INTERNAL_CHECKSUM", INTERNAL},
    {"INTERNAL_DATA_FREE", INTERNAL},
    {"INTERNAL_DATA_LENGTH", INTERNAL},
    {"INTERNAL_DD_CHAR_LENGTH", INTERNAL},
    {"INTERNAL_GET_COMMENT_OR_ERROR", INTERNAL},
    {"INTERNAL_GET_VIEW_WARNING_OR_ERROR", INTERNAL},
    {"INTERNAL_INDEX_COLUMN_CARDINALITY", INTERNAL},
    {"INTERNAL_INDEX_LENGTH", INTERNAL},
    {"INTERNAL_KEYS_DISABLED", INTERNAL},
    {"INTERNAL_MAX_DATA_LENGTH", INTERNAL},
    {"INTERNAL_TABLE_ROWS", INTERNAL},
    {"INTERNAL_UPDATE_TIME", INTERNAL},
    {"INTERVAL", PASS},
    {"IS", OPERATOR},
    {"IS_FREE_LOCK", PASS},
    {"IS_IPV4", PASS},
    {"IS_IPV4_COMPAT", PASS},
    {"IS_IPV4_MAPPED", PASS},
    {"IS_IPV6", PASS},
    {"IS NOT", OPERATOR},
    {"IS NOT NULL", OPERATOR},
    {"IS NULL", OPERATOR},
    {"IS_USED_LOCK", PASS},
    {"IS_UUID", PASS},
    {"ISNULL", PASS},
    {"JSON_ARRAY", PASS},
    {"JSON_ARRAY_APPEND", PASS},
    {"JSON_ARRAY_INSERT", PASS},
    {"JSON_ARRAYAGG", PASS},
    {"->", OPERATOR},
    {"JSON_CONTAINS", PASS},
    {"JSON_CONTAINS_PATH", PASS},
    {"JSON_DEPTH", PASS},
    {"JSON_EXTRACT", PASS},
    {"->>", OPERATOR},
    {"JSON_INSERT", PASS},
    {"JSON_KEYS", PASS},
    {"JSON_LENGTH", PASS},
    {"JSON_MERGE", PASS},
    {"JSON_MERGE_PATCH", PASS},
    {"JSON_MERGE_PRESERVE", PASS},
    {"JSON_OBJECT", PASS},
    {"JSON_OBJECTAGG", PASS},
    {"JSON_PRETTY", PASS},
    {"JSON_QUOTE", PASS},
    {"JSON_REMOVE", PASS},
    {"JSON_REPLACE", PASS},
    {"JSON_SEARCH", PASS},
    {"JSON_SET", PASS},
    {"JSON_STORAGE_FREE", PASS},
    {"JSON_STORAGE_SIZE", PASS},
    {"JSON_TABLE", FAIL},
    {"JSON_TYPE", PASS},
    {"JSON_UNQUOTE", PASS},
    {"JSON_VALID", PASS},
    {"LAG", PASS},
    {"LAST_DAY", PASS},
    {"LAST_INSERT_ID", PASS},
    {"LAST_VALUE", PASS},
    {"LCASE", PASS},
    {"LEAD", PASS},
    {"LEAST", PASS},
    {"LEFT", PASS},
    {"<<", OPERATOR},
    {"LENGTH", PASS},
    {"<", OPERATOR},
    {"<=", OPERATOR},
    {"LIKE", OPERATOR},
    {"LineString", PASS},
    {"LN", PASS},
    {"LOAD_FILE", PASS},
    {"LOCALTIME", PASS},
    {"LOCALTIMESTAMP", PASS},
    {"LOCATE", PASS},
    {"LOG", PASS},
    {"LOG10", PASS},
    {"LOG2", PASS},
    {"LOWER", PASS},
    {"LPAD", PASS},
    {"LTRIM", PASS},
    {"MAKE_SET", PASS},
    {"MAKEDATE", PASS},
    {"MAKETIME", PASS},
    {"MASTER_POS_WAIT", PASS},
    {"MATCH", FAIL},
    {"MAX", PASS},
    {"MBRContains", PASS},
    {"MBRCoveredBy", PASS},
    {"MBRCovers", PASS},
    {"MBRDisjoint", PASS},
    {"MBREquals", PASS},
    {"MBRIntersects", PASS},
    {"MBROverlaps", PASS},
    {"MBRTouches", PASS},
    {"MBRWithin", PASS},
    {"MD5", PASS},
    {"MICROSECOND", PASS},
    {"MID", PASS},
    {"MIN", PASS},
    {"-", OPERATOR},
    {"MINUTE", PASS},
    {"MOD", PASS},
    {"%", OPERATOR},
    {"MOD", PASS},
    {"MONTH", PASS},
    {"MONTHNAME", PASS},
    {"MultiLineString", PASS},
    {"MultiPoint", PASS},
    {"MultiPolygon", PASS},
    {"NAME_CONST", PASS},
    {"NOT", OPERATOR},
    {"!", OPERATOR},
    {"NOT BETWEEN ... AND ...", OPERATOR},
    {"!=", OPERATOR},
    {"<>", OPERATOR},
    {"NOT IN", OPERATOR},
    {"NOT LIKE", OPERATOR},
    {"NOT REGEXP", OPERATOR},
    {"NOW", PASS},
    {"NTH_VALUE", PASS},
    {"NTILE", PASS},
    {"NULLIF", PASS},
    {"OCT", PASS},
    {"OCTET_LENGTH", PASS},
    {"||", OPERATOR},
    {"OR", OPERATOR},
    {"ORD", PASS},
    {"PASSWORD", PASS},
    {"PERCENT_RANK", PASS},
    {"PERIOD_ADD", PASS},
    {"PERIOD_DIFF", PASS},
    {"PI", PASS},
    {"+", OPERATOR},
    {"Point", PASS},
    {"Polygon", PASS},
    {"POSITION", PASS},
    {"POW", PASS},
    {"POWER", PASS},
    {"PS_CURRENT_THREAD_ID", PASS},
    {"PS_THREAD_ID", PASS},
    {"QUARTER", PASS},
    {"QUOTE", PASS},
    {"RADIANS", PASS},
    {"RAND", PASS},
    {"RANDOM_BYTES", PASS},
    {"RANK", PASS},
    {"REGEXP", OPERATOR},
    {"REGEXP_INSTR", PASS},
    {"REGEXP_LIKE", PASS},
    {"REGEXP_REPLACE", PASS},
    {"REGEXP_SUBSTR", PASS},
    {"RELEASE_ALL_LOCKS", PASS},
    {"RELEASE_LOCK", PASS},
    {"REPEAT", PASS},
    {"REPLACE", PASS},
    {"REVERSE", PASS},
    {"RIGHT", PASS},
    {">>", OPERATOR},
    {"RLIKE", OPERATOR},
    {"ROLES_GRAPHML", PASS},
    {"ROUND", PASS},
    {"ROW_COUNT", PASS},
    {"ROW_NUMBER", PASS},
    {"RPAD", PASS},
    {"RTRIM", PASS},
    {"SCHEMA", PASS},
    {"SEC_TO_TIME", PASS},
    {"SECOND", PASS},
    {"SESSION_USER", PASS},
    {"SHA1", PASS},
    {"SHA", PASS},
    {"SHA2", PASS},
    {"SIGN", PASS},
    {"SIN", PASS},
    {"SLEEP", PASS},
    {"SOUNDEX", PASS},
    {"SOUNDS LIKE", OPERATOR},
    {"SPACE", PASS},
    {"SQRT", PASS},
    {"ST_Area", PASS},
    {"ST_AsBinary", PASS},
    {"ST_AsWKB", PASS},
    {"ST_AsGeoJSON", PASS},
    {"ST_AsText", PASS},
    {"ST_AsWKT", PASS},
    {"ST_Buffer", PASS},
    {"ST_Buffer_Strategy", PASS},
    {"ST_Centroid", PASS},
    {"ST_Contains", PASS},
    {"ST_ConvexHull", PASS},
    {"ST_Crosses", PASS},
    {"ST_Difference", PASS},
    {"ST_Dimension", PASS},
    {"ST_Disjoint", PASS},
    {"ST_Distance", PASS},
    {"ST_Distance_Sphere", PASS},
    {"ST_EndPoint", PASS},
    {"ST_Envelope", PASS},
    {"ST_Equals", PASS},
    {"ST_ExteriorRing", PASS},
    {"ST_GeoHash", PASS},
    {"ST_GeomCollFromText", PASS},
    {"ST_GeometryCollectionFromText", PASS},
    {"ST_GeomCollFromTxt", PASS},
    {"ST_GeomCollFromWKB", PASS},
    {"ST_GeometryCollectionFromWKB", PASS},
    {"ST_GeometryN", PASS},
    {"ST_GeometryType", PASS},
    {"ST_GeomFromGeoJSON", PASS},
    {"ST_GeomFromText", PASS},
    {"ST_GeometryFromText", PASS},
    {"ST_GeomFromWKB", PASS},
    {"ST_GeometryFromWKB", PASS},
    {"ST_InteriorRingN", PASS},
    {"ST_Intersection", PASS},
    {"ST_Intersects", PASS},
    {"ST_IsClosed", PASS},
    {"ST_IsEmpty", PASS},
    {"ST_IsSimple", PASS},
    {"ST_IsValid", PASS},
    {"ST_LatFromGeoHash", PASS},
    {"ST_Latitude", PASS},
    {"ST_Length", PASS},
    {"ST_LineFromText", PASS},
    {"ST_LineStringFromText", PASS},
    {"ST_LineFromWKB", PASS},
    {"ST_LineStringFromWKB", PASS},
    {"ST_LongFromGeoHash", PASS},
    {"ST_Longitude", PASS},
    {"ST_MakeEnvelope", PASS},
    {"ST_MLineFromText", PASS},
    {"ST_MultiLineStringFromText", PASS},
    {"ST_MLineFromWKB", PASS},
    {"ST_MultiLineStringFromWKB", PASS},
    {"ST_MPointFromText", PASS},
    {"ST_MultiPointFromText", PASS},
    {"ST_MPointFromWKB", PASS},
    {"ST_MultiPointFromWKB", PASS},
    {"ST_MPolyFromText", PASS},
    {"ST_MultiPolygonFromText", PASS},
    {"ST_MPolyFromWKB", PASS},
    {"ST_MultiPolygonFromWKB", PASS},
    {"ST_NumGeometries", PASS},
    {"ST_NumInteriorRing", PASS},
    {"ST_NumInteriorRings", PASS},
    {"ST_NumPoints", PASS},
    {"ST_Overlaps", PASS},
    {"ST_PointFromGeoHash", PASS},
    {"ST_PointFromText", PASS},
    {"ST_PointFromWKB", PASS},
    {"ST_PointN", PASS},
    {"ST_PolyFromText", PASS},
    {"ST_PolygonFromText", PASS},
    {"ST_PolyFromWKB", PASS},
    {"ST_PolygonFromWKB", PASS},
    {"ST_Simplify", PASS},
    {"ST_SRID", PASS},
    {"ST_StartPoint", PASS},
    {"ST_SwapXY", PASS},
    {"ST_SymDifference", PASS},
    {"ST_Touches", PASS},
    {"ST_Transform", PASS},
    {"ST_Union", PASS},
    {"ST_Validate", PASS},
    {"ST_Within", PASS},
    {"ST_X", PASS},
    {"ST_Y", PASS},
    {"STATEMENT_DIGEST", PASS},
    {"STATEMENT_DIGEST_TEXT", PASS},
    {"STD", PASS},
    {"STDDEV", PASS},
    {"STDDEV_POP", PASS},
    {"STDDEV_SAMP", PASS},
    {"STR_TO_DATE", PASS},
    {"STRCMP", PASS},
    {"SUBDATE", PASS},
    {"SUBSTR", PASS},
    {"SUBSTRING", PASS},
    {"SUBSTRING_INDEX", PASS},
    {"SUBTIME", PASS},
    {"SUM", PASS},
    {"SYSDATE", PASS},
    {"SYSTEM_USER", PASS},
    {"TAN", PASS},
    {"TIME", PASS},
    {"TIME_FORMAT", PASS},
    {"TIME_TO_SEC", PASS},
    {"TIMEDIFF", PASS},
    {"*", OPERATOR},
    {"TIMESTAMP", PASS},
    {"TIMESTAMPADD", PASS},
    {"TIMESTAMPDIFF", PASS},
    {"TO_BASE64", PASS},
    {"TO_DAYS", PASS},
    {"TO_SECONDS", PASS},
    {"TRIM", PASS},
    {"TRUNCATE", PASS},
    {"UCASE", PASS},
    {"-", OPERATOR},
    {"UNCOMPRESS", PASS},
    {"UNCOMPRESSED_LENGTH", PASS},
    {"UNHEX", PASS},
    {"UNIX_TIMESTAMP", PASS},
    {"UpdateXML", PASS},
    {"UPPER", PASS},
    {"USER", PASS},
    {"UTC_DATE", PASS},
    {"UTC_TIME", PASS},
    {"UTC_TIMESTAMP", PASS},
    {"UUID", PASS},
    {"UUID_SHORT", PASS},
    {"UUID_TO_BIN", PASS},
    {"VALIDATE_PASSWORD_STRENGTH", PASS},
    {"VALUES", PASS},
    {"VAR_POP", PASS},
    {"VAR_SAMP", PASS},
    {"VARIANCE", PASS},
    {"VERSION", PASS},
    {"WAIT_FOR_EXECUTED_GTID_SET", PASS},
    {"WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS", PASS},
    {"WEEK", PASS},
    {"WEEKDAY", PASS},
    {"WEEKOFYEAR", PASS},
    {"WEIGHT_STRING", PASS},
    {"XOR", OPERATOR},
    {"YEAR", PASS},
    {"YEARWEEK", PASS},
};

class Mysql_function_names_documentation_test
    : public ::testing::TestWithParam<Param_mysql_functions> {};

TEST_P(Mysql_function_names_documentation_test,
       mysqld_function_from_documentation) {
  const auto &param = GetParam();
  ASSERT_EQ(param.expect, is_native_mysql_function(param.name))
      << "Function '" << param.name << "' should "
      << (param.expect ? "PASS" : "FAIL");
}

INSTANTIATE_TEST_CASE_P(
    Mysql_function_names_documentation, Mysql_function_names_documentation_test,
    ::testing::ValuesIn(documentation_mysql_functions_param));

}  // namespace test
}  // namespace xpl