freebsd_amp_hwpstate/tests/libntp/g_calendar.cpp

338 lines
9.7 KiB
C++

#include "g_libntptest.h"
extern "C" {
#include "ntp_calendar.h"
}
#include <string>
#include <sstream>
class calendarTest : public libntptest {
protected:
static int leapdays(int year);
std::string CalendarToString(const calendar &cal);
std::string CalendarToString(const isodate &iso);
::testing::AssertionResult IsEqual(const calendar &expected, const calendar &actual);
::testing::AssertionResult IsEqual(const isodate &expected, const isodate &actual);
std::string DateToString(const calendar &cal);
std::string DateToString(const isodate &iso);
::testing::AssertionResult IsEqualDate(const calendar &expected, const calendar &actual);
::testing::AssertionResult IsEqualDate(const isodate &expected, const isodate &actual);
};
// ---------------------------------------------------------------------
// test support stuff
// ---------------------------------------------------------------------
int
calendarTest::leapdays(int year)
{
if (year % 400 == 0)
return 1;
if (year % 100 == 0)
return 0;
if (year % 4 == 0)
return 1;
return 0;
}
std::string
calendarTest::CalendarToString(const calendar &cal) {
std::ostringstream ss;
ss << cal.year << "-" << (u_int)cal.month << "-" << (u_int)cal.monthday
<< " (" << cal.yearday << ") " << (u_int)cal.hour << ":"
<< (u_int)cal.minute << ":" << (u_int)cal.second;
return ss.str();
}
std::string
calendarTest:: CalendarToString(const isodate &iso) {
std::ostringstream ss;
ss << iso.year << "-" << (u_int)iso.week << "-" << (u_int)iso.weekday
<< (u_int)iso.hour << ":" << (u_int)iso.minute << ":" << (u_int)iso.second;
return ss.str();
}
::testing::AssertionResult
calendarTest:: IsEqual(const calendar &expected, const calendar &actual) {
if (expected.year == actual.year &&
(!expected.yearday || expected.yearday == actual.yearday) &&
expected.month == actual.month &&
expected.monthday == actual.monthday &&
expected.hour == actual.hour &&
expected.minute == actual.minute &&
expected.second == actual.second) {
return ::testing::AssertionSuccess();
} else {
return ::testing::AssertionFailure()
<< "expected: " << CalendarToString(expected) << " but was "
<< CalendarToString(actual);
}
}
::testing::AssertionResult
calendarTest:: IsEqual(const isodate &expected, const isodate &actual) {
if (expected.year == actual.year &&
expected.week == actual.week &&
expected.weekday == actual.weekday &&
expected.hour == actual.hour &&
expected.minute == actual.minute &&
expected.second == actual.second) {
return ::testing::AssertionSuccess();
} else {
return ::testing::AssertionFailure()
<< "expected: " << CalendarToString(expected) << " but was "
<< CalendarToString(actual);
}
}
std::string
calendarTest:: DateToString(const calendar &cal) {
std::ostringstream ss;
ss << cal.year << "-" << (u_int)cal.month << "-" << (u_int)cal.monthday
<< " (" << cal.yearday << ")";
return ss.str();
}
std::string
calendarTest:: DateToString(const isodate &iso) {
std::ostringstream ss;
ss << iso.year << "-" << (u_int)iso.week << "-" << (u_int)iso.weekday;
return ss.str();
}
::testing::AssertionResult
calendarTest:: IsEqualDate(const calendar &expected, const calendar &actual) {
if (expected.year == actual.year &&
(!expected.yearday || expected.yearday == actual.yearday) &&
expected.month == actual.month &&
expected.monthday == actual.monthday) {
return ::testing::AssertionSuccess();
} else {
return ::testing::AssertionFailure()
<< "expected: " << DateToString(expected) << " but was "
<< DateToString(actual);
}
}
::testing::AssertionResult
calendarTest:: IsEqualDate(const isodate &expected, const isodate &actual) {
if (expected.year == actual.year &&
expected.week == actual.week &&
expected.weekday == actual.weekday) {
return ::testing::AssertionSuccess();
} else {
return ::testing::AssertionFailure()
<< "expected: " << DateToString(expected) << " but was "
<< DateToString(actual);
}
}
// ---------------------------------------------------------------------
// test cases
// ---------------------------------------------------------------------
static const u_short real_month_table[2][13] = {
/* -*- table for regular years -*- */
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
/* -*- table for leap years -*- */
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
};
// days in month, with one month wrap-around at both ends
static const u_short real_month_days[2][14] = {
/* -*- table for regular years -*- */
{ 31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31 },
/* -*- table for leap years -*- */
{ 31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31 }
};
// test the day/sec join & split ops, making sure that 32bit
// intermediate results would definitely overflow and the hi DWORD of
// the 'vint64' is definitely needed.
TEST_F(calendarTest, DaySplitMerge) {
for (int32 day = -1000000; day <= 1000000; day += 100) {
for (int32 sec = -100000; sec <= 186400; sec += 10000) {
vint64 merge = ntpcal_dayjoin(day, sec);
ntpcal_split split = ntpcal_daysplit(&merge);
int32 eday = day;
int32 esec = sec;
while (esec >= 86400) {
eday += 1;
esec -= 86400;
}
while (esec < 0) {
eday -= 1;
esec += 86400;
}
EXPECT_EQ(eday, split.hi);
EXPECT_EQ(esec, split.lo);
}
}
}
TEST_F(calendarTest, SplitYearDays1) {
for (int32 eyd = -1; eyd <= 365; eyd++) {
ntpcal_split split = ntpcal_split_yeardays(eyd, 0);
if (split.lo >= 0 && split.hi >= 0) {
EXPECT_GT(12, split.hi);
EXPECT_GT(real_month_days[0][split.hi+1], split.lo);
int32 tyd = real_month_table[0][split.hi] + split.lo;
EXPECT_EQ(eyd, tyd);
} else
EXPECT_TRUE(eyd < 0 || eyd > 364);
}
}
TEST_F(calendarTest, SplitYearDays2) {
for (int32 eyd = -1; eyd <= 366; eyd++) {
ntpcal_split split = ntpcal_split_yeardays(eyd, 1);
if (split.lo >= 0 && split.hi >= 0) {
EXPECT_GT(12, split.hi);
EXPECT_GT(real_month_days[1][split.hi+1], split.lo);
int32 tyd = real_month_table[1][split.hi] + split.lo;
EXPECT_EQ(eyd, tyd);
} else
EXPECT_TRUE(eyd < 0 || eyd > 365);
}
}
TEST_F(calendarTest, RataDie1) {
int32 testDate = 1; // 0001-01-01 (proleptic date)
calendar expected = { 1, 1, 1, 1 };
calendar actual;
ntpcal_rd_to_date(&actual, testDate);
EXPECT_TRUE(IsEqualDate(expected, actual));
}
// check last day of february for first 10000 years
TEST_F(calendarTest, LeapYears1) {
calendar dateIn, dateOut;
for (dateIn.year = 1; dateIn.year < 10000; ++dateIn.year) {
dateIn.month = 2;
dateIn.monthday = 28 + leapdays(dateIn.year);
dateIn.yearday = 31 + dateIn.monthday;
ntpcal_rd_to_date(&dateOut, ntpcal_date_to_rd(&dateIn));
EXPECT_TRUE(IsEqualDate(dateIn, dateOut));
}
}
// check first day of march for first 10000 years
TEST_F(calendarTest, LeapYears2) {
calendar dateIn, dateOut;
for (dateIn.year = 1; dateIn.year < 10000; ++dateIn.year) {
dateIn.month = 3;
dateIn.monthday = 1;
dateIn.yearday = 60 + leapdays(dateIn.year);
ntpcal_rd_to_date(&dateOut, ntpcal_date_to_rd(&dateIn));
EXPECT_TRUE(IsEqualDate(dateIn, dateOut));
}
}
// Full roundtrip for 1601-01-01 to 2400-12-31
// checks sequence of rata die numbers and validates date output
// (since the input is all nominal days of the calendar in that range
// and the result of the inverse calculation must match the input no
// invalid output can occur.)
TEST_F(calendarTest, RoundTripDate) {
calendar truDate, expDate = { 1600, 0, 12, 31 };;
int32 truRdn, expRdn = ntpcal_date_to_rd(&expDate);
int leaps;
while (expDate.year < 2400) {
expDate.year++;
expDate.month = 0;
expDate.yearday = 0;
leaps = leapdays(expDate.year);
while (expDate.month < 12) {
expDate.month++;
expDate.monthday = 0;
while (expDate.monthday < real_month_days[leaps][expDate.month]) {
expDate.monthday++;
expDate.yearday++;
expRdn++;
truRdn = ntpcal_date_to_rd(&expDate);
EXPECT_EQ(expRdn, truRdn);
ntpcal_rd_to_date(&truDate, truRdn);
EXPECT_TRUE(IsEqualDate(expDate, truDate));
}
}
}
}
// Roundtrip testing on calyearstart
TEST_F(calendarTest, RoundTripYearStart) {
static const time_t pivot = 0;
u_int32 ntp, expys, truys;
calendar date;
for (ntp = 0; ntp < 0xFFFFFFFFu - 30000000u; ntp += 30000000u) {
truys = calyearstart(ntp, &pivot);
ntpcal_ntp_to_date(&date, ntp, &pivot);
date.month = date.monthday = 1;
date.hour = date.minute = date.second = 0;
expys = ntpcal_date_to_ntp(&date);
EXPECT_EQ(expys, truys);
}
}
// Roundtrip testing on calymonthstart
TEST_F(calendarTest, RoundTripMonthStart) {
static const time_t pivot = 0;
u_int32 ntp, expms, trums;
calendar date;
for (ntp = 0; ntp < 0xFFFFFFFFu - 2000000u; ntp += 2000000u) {
trums = calmonthstart(ntp, &pivot);
ntpcal_ntp_to_date(&date, ntp, &pivot);
date.monthday = 1;
date.hour = date.minute = date.second = 0;
expms = ntpcal_date_to_ntp(&date);
EXPECT_EQ(expms, trums);
}
}
// Roundtrip testing on calweekstart
TEST_F(calendarTest, RoundTripWeekStart) {
static const time_t pivot = 0;
u_int32 ntp, expws, truws;
isodate date;
for (ntp = 0; ntp < 0xFFFFFFFFu - 600000u; ntp += 600000u) {
truws = calweekstart(ntp, &pivot);
isocal_ntp_to_date(&date, ntp, &pivot);
date.hour = date.minute = date.second = 0;
date.weekday = 1;
expws = isocal_date_to_ntp(&date);
EXPECT_EQ(expws, truws);
}
}
// Roundtrip testing on caldaystart
TEST_F(calendarTest, RoundTripDayStart) {
static const time_t pivot = 0;
u_int32 ntp, expds, truds;
calendar date;
for (ntp = 0; ntp < 0xFFFFFFFFu - 80000u; ntp += 80000u) {
truds = caldaystart(ntp, &pivot);
ntpcal_ntp_to_date(&date, ntp, &pivot);
date.hour = date.minute = date.second = 0;
expds = ntpcal_date_to_ntp(&date);
EXPECT_EQ(expds, truds);
}
}