public void test_convertToInstant_furtherAfterLeap() {
OffsetDateTime odt = OffsetDateTime.of(1980, 1, 1, 0, 0, 1, 0, ZoneOffset.UTC);
Instant instant = odt.toInstant();
UtcInstant utc = UtcInstant.ofModifiedJulianDay(MJD_1980, NANOS_PER_SEC);
assertEquals(rules.convertToInstant(utc), instant);
assertEquals(rules.convertToUtc(instant), utc);
}
// -----------------------------------------------------------------------
// convertToUtc(Instant)/convertToInstant(UtcInstant)
// -----------------------------------------------------------------------
public void test_convertToInstant_justBeforeLeap() {
OffsetDateTime odt = OffsetDateTime.of(1979, 12, 31, 23, 43, 21, 0, ZoneOffset.UTC);
Instant instant = odt.toInstant();
UtcInstant utc =
UtcInstant.ofModifiedJulianDay(MJD_1980 - 1, (SECS_PER_DAY + 1 - 1000) * NANOS_PER_SEC);
assertEquals(rules.convertToInstant(utc), instant);
assertEquals(rules.convertToUtc(instant), utc);
}
public void test_convertToInstant_slsMicros() {
for (int i = 1; i < 1000; i++) {
long utcNanos = (SECS_PER_DAY + 1 - 1000) * NANOS_PER_SEC + i * 1000;
long startSls = (86401 - 1000) * NANOS_PER_SEC;
long slsNanos = (utcNanos - (utcNanos - startSls) / 1000);
OffsetDateTime odt =
OffsetDateTime.of(
1979, 12, 31, 23, 43, 21, (int) (slsNanos % NANOS_PER_SEC), ZoneOffset.UTC);
Instant instant = odt.toInstant();
UtcInstant utc =
UtcInstant.ofModifiedJulianDay(
MJD_1980 - 1, (SECS_PER_DAY + 1 - 1000) * NANOS_PER_SEC + i * 1000);
assertEquals(rules.convertToInstant(utc), instant);
assertEquals(rules.convertToUtc(instant), utc);
}
}
public void test_convertToInstant_slsNanos() {
for (int i = 1; i < 5005; i++) {
long utcNanos = (SECS_PER_DAY + 1 - 1000) * NANOS_PER_SEC + i;
long startSls = (86401 - 1000) * NANOS_PER_SEC;
long slsNanos = (utcNanos - (utcNanos - startSls) / 1000);
OffsetDateTime odt =
OffsetDateTime.of(
1979, 12, 31, 23, 43, 21, (int) (slsNanos % NANOS_PER_SEC), ZoneOffset.UTC);
Instant instant = odt.toInstant();
UtcInstant utc = UtcInstant.ofModifiedJulianDay(MJD_1980 - 1, utcNanos);
assertEquals(rules.convertToInstant(utc), instant);
// not all instants can map back to the correct UTC value
long reverseUtcNanos = startSls + ((slsNanos - startSls) * 1000L) / (1000L - 1);
assertEquals(
rules.convertToUtc(instant),
UtcInstant.ofModifiedJulianDay(MJD_1980 - 1, reverseUtcNanos));
}
}