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#include "parser.h"

#include <library/cpp/testing/unittest/registar.h>

static const time_t SECONDS_PER_HOUR = 3600;
static const time_t SECONDS_PER_MINUTE = 60;

Y_UNIT_TEST_SUITE(TDateTimeParseTestDeprecated) {
    Y_UNIT_TEST(TestRfc822CorrectDeprecated) {
        bool r = false;
        time_t t = 0;

        // predefined time zones

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 UT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 GMT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 EST", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_VALUES_EQUAL(t, (time_t)1109964885 + 5 * SECONDS_PER_HOUR);
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 EDT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 4 * SECONDS_PER_HOUR);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 CST", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 6 * SECONDS_PER_HOUR);
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 CDT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 5 * SECONDS_PER_HOUR);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 MST", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 7 * SECONDS_PER_HOUR);
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 MDT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 6 * SECONDS_PER_HOUR);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 PST", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 8 * SECONDS_PER_HOUR);
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 PDT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 7 * SECONDS_PER_HOUR);

        // optinal century
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 05 19:34:45 UT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        // + optional day of week
        r = ParseRFC822DateTimeDeprecated("4 Mar 05 19:34:45 UT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        // + optional seconds
        r = ParseRFC822DateTimeDeprecated("4 Mar 05 19:34 UT", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964840);

        // local differential hour+min

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 +0300", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109954085);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 05 19:34:45 +0300", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109954085);

        r = ParseRFC822DateTimeDeprecated("21 Apr 1999 23:40:00 +0400", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)924723600);

        r = ParseRFC822DateTimeDeprecated("21 Apr 99 23:40 +0400", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)924723600);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 -0300", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 3 * SECONDS_PER_HOUR);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34 -0300", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964840 + 3 * SECONDS_PER_HOUR);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 05 19:34:45 -0330", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 3 * SECONDS_PER_HOUR + 30 * SECONDS_PER_MINUTE);

        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 05 19:34 -0330", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964840 + 3 * SECONDS_PER_HOUR + 30 * SECONDS_PER_MINUTE);

        r = ParseRFC822DateTimeDeprecated("4 Mar 2005 19:34:45 -1030", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885 + 10 * SECONDS_PER_HOUR + 30 * SECONDS_PER_MINUTE);

        r = ParseRFC822DateTimeDeprecated("4 Mar 2005 19:34 -1030", t);
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964840 + 10 * SECONDS_PER_HOUR + 30 * SECONDS_PER_MINUTE);

        // white spaces

        r = ParseRFC822DateTimeDeprecated("Fri,4 Mar 2005 19:34:45 UT", t); // no space after comma
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        r = ParseRFC822DateTimeDeprecated("   Fri,   4   Mar   2005   19:34:45   UT   ", t); // several spaces, leading and trailing
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        r = ParseRFC822DateTimeDeprecated(" \t Fri, \t 4 \t Mar \t 2005 \t 19:34:45 \t UT \t ", t); // spaces with tabs
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1109964885);

        r = ParseRFC822DateTimeDeprecated("Thu, 01 Jan 1970 03:00:00 +0300", t); // spaces with tabs
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)0);

        r = ParseRFC822DateTimeDeprecated("Sat, 14 Feb 2009 02:31:30 +0300", t); // spaces with tabs
        UNIT_ASSERT(r);
        UNIT_ASSERT_EQUAL(t, (time_t)1234567890);
    }

    time_t GetOffset(char militaryZone) {
        char ch = (char)toupper(militaryZone);
        if (ch == 'Z') {
            return 0;
        } else if (ch >= 'A' && ch < 'J') {
            return (ch - 'A' + 1) * SECONDS_PER_HOUR;
        } else if (ch > 'J' && ch <= 'M') {
            return (ch - 'A') * SECONDS_PER_HOUR;
        } else if (ch >= 'N' && ch <= 'Y') {
            return -(ch - 'N' + 1) * SECONDS_PER_HOUR;
        } else {
            ythrow yexception() << "Invalid military zone.";
        }
    }

    void DoTestMilitaryZones(char firstChar, char lastChar) {
        const time_t utcTime = 1109964885; // Fri, 4 Mar 2005 19:34:45 UT
        char text[] = "Fri, 4 Mar 2005 19:34:45 A";
        const size_t zoneCharIndex = strlen(text) - 1;

        for (char militaryZone = firstChar; militaryZone <= lastChar; ++militaryZone) {
            time_t t = 0;
            const time_t offset = GetOffset(militaryZone);
            // the last character is replaced with next zone symbol
            text[zoneCharIndex] = militaryZone;

            UNIT_ASSERT(ParseRFC822DateTimeDeprecated(text, t));
            UNIT_ASSERT_EQUAL(t, utcTime - offset);
        }
    }

    Y_UNIT_TEST(TestRfc822MilitaryZonesDeprecated) {
        DoTestMilitaryZones('A', 'I');
        DoTestMilitaryZones('K', 'Z');
        DoTestMilitaryZones('a', 'i');
        DoTestMilitaryZones('k', 'z');
    }

    Y_UNIT_TEST(TestRfc822IncorrectDatesDeprecated) {
        bool r = true;
        time_t t = 0;

        t = 12345;
        r = ParseRFC822DateTimeDeprecated("", t);
        UNIT_ASSERT(!r);
        UNIT_ASSERT_EQUAL(t, (time_t)12345);

        t = 223344;
        r = ParseRFC822DateTimeDeprecated("Fri, some junk", t);
        UNIT_ASSERT(!r);
        UNIT_ASSERT_EQUAL(t, (time_t)223344);

        t = 54321;
        r = ParseRFC822DateTimeDeprecated("Fri, 4 Mar 2005 19:34:45 UTC", t);
        UNIT_ASSERT(!r);
        UNIT_ASSERT_EQUAL(t, (time_t)54321);

        // TODO: check semantic validity of parsed date (30 Feb, 88:90 etc.).
        // The following tests MUST fail (they don't now)
        // r = ParseRFC822DateTimeDeprecated("45 Mar 2005 19:34:45 UT", t);
        // UNIT_ASSERT_EQUAL(r, false);

        // r = ParseRFC822DateTimeDeprecated("29 Feb 2005 19:34:45 +0300", t);
        // UNIT_ASSERT_EQUAL(r, false);

        // r = ParseRFC822DateTimeDeprecated("31 Apr 2004 19:34:45 +0300", t);
        // UNIT_ASSERT_EQUAL(r, false);

        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:34:45", t); // no specified time zone
        UNIT_ASSERT(!r);

        r = ParseRFC822DateTimeDeprecated("17 Nov 200 19:34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 8 19:34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 20008 19:34:45 UT", t);
        UNIT_ASSERT(!r);

        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 1:34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 123:34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:1:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:123:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:34:1 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:34:123 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("17 Nov 2008 19:34:12.12 UT", t); // fractions of second are now allowed
        UNIT_ASSERT(!r);

        r = ParseRFC822DateTimeDeprecated("Mon , 17 Nov 2005 19:34:45 UT", t); // space after day before the comma
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2005 19 :34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2005 19: 34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2005 19:34 :45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2005 19:34: 45 UT", t);
        UNIT_ASSERT(!r);

        r = ParseRFC822DateTimeDeprecated("Monday, 17 Nov 2005 19:34:45 UT", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 November 2008 19:34:45 UT", t);
        UNIT_ASSERT(!r);

        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 +3", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 +03", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 +030", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 +03030", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 -3", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 -03", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 -030", t);
        UNIT_ASSERT(!r);
        r = ParseRFC822DateTimeDeprecated("Mon, 17 Nov 2008 19:34:45 -03030", t);
        UNIT_ASSERT(!r);
    }

    Y_UNIT_TEST(TestRfc822PartialDeprecated) {
        TRfc822DateTimeParserDeprecated p;
        const char* part1 = "Fri, 4 Mar 05 1";
        const char* part2 = "9:34:45 +0300";
        UNIT_ASSERT(p.ParsePart(part1, strlen(part1)));
        UNIT_ASSERT(p.ParsePart(part2, strlen(part2)));
        UNIT_ASSERT_VALUES_EQUAL(TInstant::Seconds(1109954085), p.GetResult(TInstant::Max()));
        p = TRfc822DateTimeParserDeprecated();
        const char* part3 = "Fri, 4 Mar 05 19:34:46 +0300";
        UNIT_ASSERT(p.ParsePart(part3, strlen(part3)));
        UNIT_ASSERT_VALUES_EQUAL(TInstant::Seconds(1109954086), p.GetResult(TInstant::Zero()));
    }

    Y_UNIT_TEST(TestIso8601PartialDeprecated) {
        TIso8601DateTimeParserDeprecated p;
        const char* part1 = "1990-03-15T15:1";
        const char* part2 = "6:17+0732";
        UNIT_ASSERT(p.ParsePart(part1, strlen(part1)));
        UNIT_ASSERT(p.ParsePart(part2, strlen(part2)));
        UNIT_ASSERT_VALUES_EQUAL(TInstant::Seconds(637487057), p.GetResult(TInstant::Max()));
        p = TIso8601DateTimeParserDeprecated();
        const char* part3 = "1990-03-15T15:16:18+0732";
        UNIT_ASSERT(p.ParsePart(part3, strlen(part3)));
        UNIT_ASSERT_VALUES_EQUAL(TInstant::Seconds(637487058), p.GetResult(TInstant::Zero()));
    }

    Y_UNIT_TEST(TestIso8601CorrectDeprecatedDeprecated) {
        bool ret;
        time_t t;

        // ISO 8601 actually does not allow time without time zone
        ret = ParseISO8601DateTimeDeprecated("1990-03-15", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637484400);

        // some normal dates
        ret = ParseISO8601DateTimeDeprecated("1990-03-15T15:16:17Z", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637514177);

        ret = ParseISO8601DateTimeDeprecated("1990-03-15t15:16:17z", t); // lower-case must be allowed too
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637514177);

        ret = ParseISO8601DateTimeDeprecated("1990-03-15 15:16:17Z", t); // space as separator should be allowed
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637514177);

        ret = ParseISO8601DateTimeDeprecated("1990-03-15T15:16:17.18Z", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637514177);

        ret = ParseISO8601DateTimeDeprecated("1990-03-15T15:16:17.18+07:32", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637487057);

        ret = ParseISO8601DateTimeDeprecated("1990-03-15T15:16:17.18+0732", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 637487057);

        ret = ParseISO8601DateTimeDeprecated("1970-01-01T00:00:00Z", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 0);

        ret = ParseISO8601DateTimeDeprecated("1970-01-01T00:01:02Z", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 62);

#if 0
        // these tests are disabled, because time zones are handled differently
        // in old util/ parser and agalakhov@ parser
        ret = ParseISO8601DateTimeDeprecated("1970-01-01", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, -4 * 3600);

        ret = ParseISO8601DateTimeDeprecated("1970-01-02", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 86400 - 3 * 3600);
#endif

        // this is wrong because of timezone
        ret = ParseISO8601DateTimeDeprecated("2009-02-14T03:31:30", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1234567890);

        ret = ParseISO8601DateTimeDeprecated("2009-02-14t03:31:30", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1234567890);

        ret = ParseISO8601DateTimeDeprecated("2009-02-14T02:31:30+0300", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1234567890);

        ret = ParseISO8601DateTimeDeprecated("2009-02-14T02:31:30+03:00", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1234567890);

        ret = ParseISO8601DateTimeDeprecated("2009-02-14 02:31:30+03:00", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1234567890);

        ret = ParseISO8601DateTimeDeprecated("2010-03-28T04:27:00.000-07:00", t);
        UNIT_ASSERT(ret);
        UNIT_ASSERT_VALUES_EQUAL(t, 1269775620);
    }

    Y_UNIT_TEST(TestIso8601TimeZoneDeprecated) {
        time_t t1, t2, t3, t4;
        UNIT_ASSERT(ParseISO8601DateTimeDeprecated("2010-03-28T04:27:00.000+07:00", t1));
        UNIT_ASSERT(ParseISO8601DateTimeDeprecated("2010-03-27T21:27:00.000Z", t2));
        UNIT_ASSERT(ParseISO8601DateTimeDeprecated("2010-03-27T22:27:00.000+0100", t3));
        UNIT_ASSERT(ParseISO8601DateTimeDeprecated("2010-03-27T20:27:00.000-01:00", t4));
        UNIT_ASSERT_VALUES_EQUAL(t1, t2);
        UNIT_ASSERT_VALUES_EQUAL(t2, t3);
        UNIT_ASSERT_VALUES_EQUAL(t3, t4);
    }

    Y_UNIT_TEST(TestIso8601IncorrectDeprecated) {
        bool ret;
        time_t t;

        t = 12345;
        ret = ParseISO8601DateTimeDeprecated("", t);
        UNIT_ASSERT(!ret);
        UNIT_ASSERT_EQUAL(t, (time_t)12345);

        // some bad dates
        t = 54321;
        ret = ParseISO8601DateTimeDeprecated("a990-01-15", t);
        UNIT_ASSERT(!ret);
        UNIT_ASSERT_EQUAL(t, (time_t)54321);

        ret = ParseISO8601DateTimeDeprecated("1970-01-01T03:00:00+04:00", t); // this is 1969 GMT
        UNIT_ASSERT(!ret);

        ret = ParseISO8601DateTimeDeprecated("1987-13-16", t);
        UNIT_ASSERT(!ret);

        ret = ParseISO8601DateTimeDeprecated("1987-02-29", t);
        UNIT_ASSERT(!ret);

        ret = ParseISO8601DateTimeDeprecated("1990-03-151Y15:16:17.18", t);
        UNIT_ASSERT(!ret);

        ret = ParseISO8601DateTimeDeprecated("1990-03-151T15:16:17:43.18", t);
        UNIT_ASSERT(!ret);

        ret = ParseISO8601DateTimeDeprecated("1990-03-151T15:16:17.18Z+21:32", t);
        UNIT_ASSERT(!ret);
    }

    Y_UNIT_TEST(TestIso8601FractionsDeprecated) {
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseIso8601Deprecated("2009-09-19 03:37:08.1+04:00"),
            TInstant::Seconds(1253317028) + TDuration::MilliSeconds(100));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseIso8601Deprecated("2009-09-19 03:37:03.926+04:00"),
            TInstant::Seconds(1253317023) + TDuration::MilliSeconds(926));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseIso8601Deprecated("2009-09-19 03:37:03.92622+04:00"),
            TInstant::Seconds(1253317023) + TDuration::MicroSeconds(926220));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseIso8601Deprecated("2009-09-19 03:37:03.012331+04:00"),
            TInstant::Seconds(1253317023) + TDuration::MicroSeconds(12331));
    }

    Y_UNIT_TEST(TestHttpDateDeprecated) {
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseHttpDeprecated("Sun, 06 Nov 1994 08:49:37 GMT"),
            TInstant::ParseIso8601Deprecated("1994-11-06T08:49:37Z"));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseHttpDeprecated("Sunday, 06-Nov-94 08:49:37 GMT"),
            TInstant::ParseIso8601Deprecated("1994-11-06T08:49:37Z"));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseHttpDeprecated("Sun Nov  6 08:49:37 1994"),
            TInstant::ParseIso8601Deprecated("1994-11-06T08:49:37Z"));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseHttpDeprecated("Mon, 19 Jan 2037 08:49:37 GMT"),
            TInstant::ParseIso8601Deprecated("2037-01-19T08:49:37Z"));
    }

    Y_UNIT_TEST(TestHttpDateIncorrectDeprecated) {
        bool ret;
        time_t t = 0;
        ret = ParseHTTPDateTimeDeprecated("1990-03-15T15:16:17Z", t);
        UNIT_ASSERT(!ret);
    }

    Y_UNIT_TEST(TestX509ValidityTimeDeprecated) {
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseX509ValidityDeprecated("20091014165533Z"),
            TInstant::ParseRfc822Deprecated("Wed, 14 Oct 2009 16:55:33 GMT"));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseX509ValidityDeprecated("990104074212Z"),
            TInstant::ParseRfc822Deprecated("4 Jan 1999 07:42:12 GMT"));
        UNIT_ASSERT_VALUES_EQUAL(
            TInstant::ParseX509ValidityDeprecated("191231235959Z"),
            TInstant::ParseRfc822Deprecated("31 Dec 2019 23:59:59 GMT"));
    }

    Y_UNIT_TEST(TestX509ValidityTimeIncorrectDeprecated) {
        bool ret;
        time_t t = 0;
        ret = ParseX509ValidityDateTimeDeprecated("500101000000Z", t);
        UNIT_ASSERT(!ret);
        ret = ParseX509ValidityDateTimeDeprecated("091014165533+0300", t);
        UNIT_ASSERT(!ret);
    }

    Y_UNIT_TEST(TestTInstantTryParseDeprecated) {
        {
            const TStringBuf s = "2009-09-19 03:37:08.1+04:00";
            const auto i = TInstant::ParseIso8601Deprecated(s);
            TInstant iTry;
            UNIT_ASSERT(TInstant::TryParseIso8601Deprecated(s, iTry));
            UNIT_ASSERT_VALUES_EQUAL(i, iTry);
        }
        {
            const TStringBuf s = "2009-09aslkdjfkljasdjfl4:00";
            TInstant iTry;
            UNIT_ASSERT_EXCEPTION(TInstant::ParseIso8601Deprecated(s), TDateTimeParseException);
            UNIT_ASSERT(!TInstant::TryParseIso8601Deprecated(s, iTry));
        }
        {
            const TStringBuf s = "Wed, 14 Oct 2009 16:55:33 GMT";
            const auto i = TInstant::ParseRfc822Deprecated(s);
            TInstant iTry;
            UNIT_ASSERT(TInstant::TryParseRfc822Deprecated(s, iTry));
            UNIT_ASSERT_VALUES_EQUAL(i, iTry);
        }
        {
            const TStringBuf s = "Wed, alsdjflkasjdfl:55:33 GMT";
            TInstant iTry;
            UNIT_ASSERT_EXCEPTION(TInstant::ParseRfc822Deprecated(s), TDateTimeParseException);
            UNIT_ASSERT(!TInstant::TryParseRfc822Deprecated(s, iTry));
        }
        {
            const TStringBuf s = "20091014165533Z";
            const auto i = TInstant::ParseX509ValidityDeprecated(s);
            TInstant iTry;
            UNIT_ASSERT(TInstant::TryParseX509Deprecated(s, iTry));
            UNIT_ASSERT_VALUES_EQUAL(i, iTry);
        }
        {
            const TStringBuf s = "200asdfasdf533Z";
            TInstant iTry;
            UNIT_ASSERT_EXCEPTION(TInstant::ParseX509ValidityDeprecated(s), TDateTimeParseException);
            UNIT_ASSERT(!TInstant::TryParseX509Deprecated(s, iTry));
        }
        {
            const TStringBuf s = "990104074212Z";
            const auto i = TInstant::ParseX509ValidityDeprecated(s);
            TInstant iTry;
            UNIT_ASSERT(TInstant::TryParseX509Deprecated(s, iTry));
            UNIT_ASSERT_VALUES_EQUAL(i, iTry);
        }
        {
            const TStringBuf s = "9901asdf4212Z";
            TInstant iTry;
            UNIT_ASSERT_EXCEPTION(TInstant::ParseX509ValidityDeprecated(s), TDateTimeParseException);
            UNIT_ASSERT(!TInstant::TryParseX509Deprecated(s, iTry));
        }
    }
} // Y_UNIT_TEST_SUITE(TDateTimeParseTestDeprecated)

Y_UNIT_TEST_SUITE(TDurationParseTestDeprecated) {
    Y_UNIT_TEST(TestParseDeprecated) {
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(60), TDuration::Parse("1m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(90), TDuration::Parse("1.5m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(102), TDuration::Parse("1.7m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(119400), TDuration::Parse("1.99m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(119940), TDuration::Parse("1.999m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(119994), TDuration::Parse("1.9999m"));

        UNIT_ASSERT_VALUES_EQUAL(TDuration::Minutes(60), TDuration::Parse("1h"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Minutes(90), TDuration::Parse("1.5h"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Minutes(102), TDuration::Parse("1.7h"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(7164), TDuration::Parse("1.99h"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(7196400), TDuration::Parse("1.999h"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(7199640), TDuration::Parse("1.9999h"));

        UNIT_ASSERT_EQUAL(TDuration::Minutes(15), TDuration::Parse("15m"));
        UNIT_ASSERT_EQUAL(TDuration::Hours(10), TDuration::Parse("10h"));
        UNIT_ASSERT_EQUAL(TDuration::Days(365), TDuration::Parse("365d"));
        UNIT_ASSERT_EQUAL(TDuration::Hours(36), TDuration::Parse("1.5d"));

        UNIT_ASSERT_VALUES_EQUAL(TDuration::Hours(24), TDuration::Parse("1d"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Hours(36), TDuration::Parse("1.5d"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Minutes(2448), TDuration::Parse("1.7d"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(171936), TDuration::Parse("1.99d"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(172713600), TDuration::Parse("1.999d"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(172791360), TDuration::Parse("1.9999d"));

#if 0 // not implemented
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(90), TDuration::Parse("1m30s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Minutes(90), TDuration::Parse("1h30m"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Hours(36), TDuration::Parse("1d12h"));
#endif

        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(10), TDuration::Parse("10s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(10), TDuration::Parse("10.000s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MicroSeconds(4), TDuration::Parse("0.000004s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(3456), TDuration::Parse("3.456s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(3450), TDuration::Parse("3.450s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(3450), TDuration::Parse("3.45000000s"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(3450), TDuration::Parse("3.45s"));

        UNIT_ASSERT_VALUES_EQUAL(TDuration::MilliSeconds(1), TDuration::Parse("1ms"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MicroSeconds(1100), TDuration::Parse("1.1ms"));

        UNIT_ASSERT_VALUES_EQUAL(TDuration::Seconds(112), TDuration::Parse("112"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MicroSeconds(14456), TDuration::Parse("14456us"));

        UNIT_ASSERT_VALUES_EQUAL(TDuration::MicroSeconds(1), TDuration::Parse("1000ns"));
        UNIT_ASSERT_VALUES_EQUAL(TDuration::MicroSeconds(1), TDuration::Parse("0.000001s"));

        UNIT_ASSERT_EQUAL(TDuration(), TDuration::Parse("10ns")); // TDuration has 1us precision.
    }
} // Y_UNIT_TEST_SUITE(TDurationParseTestDeprecated)