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Diffstat (limited to 'tests/libntp/clocktime.cpp')
| -rw-r--r-- | tests/libntp/clocktime.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/tests/libntp/clocktime.cpp b/tests/libntp/clocktime.cpp new file mode 100644 index 0000000..a24df1a --- /dev/null +++ b/tests/libntp/clocktime.cpp @@ -0,0 +1,187 @@ +#include "libntptest.h" + +// --------------------------------------------------------------------- +// test fixture +// +// The clocktimeTest uses the NTP calendar feature to use a mockup +// function for getting the current system time, so the tests are not +// dependent on the actual system time. + +class clocktimeTest : public libntptest { + virtual void SetUp(); + virtual void TearDown(); +}; + +void clocktimeTest::SetUp() +{ + ntpcal_set_timefunc(timefunc); + settime(2000, 1, 1, 0, 0, 0); +} + +void clocktimeTest::TearDown() +{ + ntpcal_set_timefunc(NULL); +} + +// --------------------------------------------------------------------- +// test cases + +TEST_F(clocktimeTest, CurrentYear) { + // Timestamp: 2010-06-24 12:50:00Z + const u_int32 timestamp = 3486372600UL; + const u_int32 expected = timestamp; // exactly the same. + + const int yday=175, hour=12, minute=50, second=0, tzoff=0; + + u_long yearstart=0; + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, CurrentYearFuzz) { + /* + * Timestamp (rec_ui) is: 2010-06-24 12:50:00 + * Time sent into function is 12:00:00. + * + * Since the fuzz is rather small, we should get a NTP + * timestamp for the 12:00:00 time. + */ + + const u_int32 timestamp = 3486372600UL; // 2010-06-24 12:50:00Z + const u_int32 expected = 3486369600UL; // 2010-06-24 12:00:00Z + + const int yday=175, hour=12, minute=0, second=0, tzoff=0; + + u_long yearstart=0; + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, TimeZoneOffset) { + /* + * Timestamp (rec_ui) is: 2010-06-24 12:00:00 +0800 + * (which is 2010-06-24 04:00:00Z) + * + * Time sent into function is 04:00:00 +0800 + */ + const u_int32 timestamp = 3486369600UL; + const u_int32 expected = timestamp; + + const int yday=175, hour=4, minute=0, second=0, tzoff=8; + + u_long yearstart=0; + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, WrongYearStart) { + /* + * Timestamp (rec_ui) is: 2010-01-02 11:00:00Z + * Time sent into function is 11:00:00. + * Yearstart sent into function is the yearstart of 2009! + */ + const u_int32 timestamp = 3471418800UL; + const u_int32 expected = timestamp; + + const int yday=2, hour=11, minute=0, second=0, tzoff=0; + + u_long yearstart = 302024100UL; // Yearstart of 2009. + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, PreviousYear) { + /* + * Timestamp is: 2010-01-01 01:00:00Z + * Time sent into function is 23:00:00 + * (which is meant to be 2009-12-31 23:00:00Z) + */ + const u_int32 timestamp = 3471296400UL; + const u_int32 expected = 3471289200UL; + + const int yday=365, hour=23, minute=0, second=0, tzoff=0; + + u_long yearstart = 0; + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, NextYear) { + /* + * Timestamp is: 2009-12-31 23:00:00Z + * Time sent into function is 01:00:00 + * (which is meant to be 2010-01-01 01:00:00Z) + */ + const u_int32 timestamp = 3471289200UL; + const u_int32 expected = 3471296400UL; + + const int yday=1, hour=1, minute=0, second=0, tzoff=0; + u_long yearstart = 0; + u_int32 actual; + + ASSERT_TRUE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); + EXPECT_EQ(expected, actual); +} + +TEST_F(clocktimeTest, NoReasonableConversion) { + /* Timestamp is: 2010-01-02 11:00:00Z */ + const u_int32 timestamp = 3471418800UL; + + const int yday=100, hour=12, minute=0, second=0, tzoff=0; + u_long yearstart = 0; + u_int32 actual; + + ASSERT_FALSE(clocktime(yday, hour, minute, second, tzoff, timestamp, + &yearstart, &actual)); +} + +TEST_F(clocktimeTest, AlwaysInLimit) { + /* Timestamp is: 2010-01-02 11:00:00Z */ + const u_int32 timestamp = 3471418800UL; + const u_short prime_incs[] = { 127, 151, 163, 179 }; + int cyc; + int yday; + u_char whichprime; + u_short ydayinc; + int hour; + int minute; + int second; + u_long yearstart; + u_int32 actual; + u_int32 diff; + + yearstart = 0; + for (cyc = 0; cyc < 5; cyc++) { + settime(1900 + cyc * 65, 1, 1, 0, 0, 0); + for (yday = -26000; yday < 26000; yday += ydayinc) { + whichprime = abs(yday) % COUNTOF(prime_incs); + ydayinc = prime_incs[whichprime]; + for (hour = -204; hour < 204; hour += 2) { + for (minute = -60; minute < 60; minute++) { + clocktime(yday, hour, minute, 30, 0, + timestamp, &yearstart, &actual); + diff = actual - timestamp; + if (diff >= 0x80000000UL) + diff = ~diff + 1; + ASSERT_LE(diff, (183u * SECSPERDAY)); + } + } + } + } +} |