public void test_convertToUtc_TaiInstant_startUtcPeriod() {
TaiInstant tai =
TaiInstant.ofTaiSeconds(TAI_SECS_UTC1980, 0); // 1980-01-01 (19 leap secs added)
UtcInstant expected = UtcInstant.ofModifiedJulianDay(MJD_1980, 0);
for (int i = -10; i < 10; i++) {
Duration duration = Duration.ofNanos(i);
assertEquals(rules.convertToUtc(tai.plus(duration)), expected.plus(duration));
assertEquals(
rules.convertToTai(expected.plus(duration)), tai.plus(duration)); // check reverse
}
for (int i = -10; i < 10; i++) {
Duration duration = Duration.ofSeconds(i);
assertEquals(rules.convertToUtc(tai.plus(duration)), expected.plus(duration));
assertEquals(
rules.convertToTai(expected.plus(duration)), tai.plus(duration)); // check reverse
}
}
