private void checkException(String name, OrekitMessages message) { Utils.setDataRoot("USNO"); TimeScalesFactory.addUTCTAIOffsetsLoader(new TAIUTCDatFilesLoader(name)); try { TimeScalesFactory.getUTC(); Assert.fail("an exception should have been thrown"); } catch (OrekitException oe) { Assert.assertEquals(message, oe.getSpecifier()); } }
@Test public void testModifiedLinearData() throws OrekitException { Utils.setDataRoot("USNO"); TimeScalesFactory.addUTCTAIOffsetsLoader( new TAIUTCDatFilesLoader("tai-utc-modified-linear.dat")); // linear models between 1961 and 1972 checkOffset(1961, 1, 2, -(1.4000000 + 1 * 0.001000)); // MJD 37300 + 1 checkOffset(1961, 8, 2, -(1.5000000 + 213 * 0.001100)); // MJD 37300 + 213 checkOffset(1962, 1, 2, -(1.6000000 + 1 * 0.001200)); // MJD 37665 + 1 checkOffset(1963, 11, 2, -(1.7000000 + 670 * 0.001300)); // MJD 37665 + 670 checkOffset(1964, 1, 2, -(1.8000000 - 365 * 0.001400)); // MJD 38761 - 365 checkOffset(1964, 4, 2, -(1.9000000 - 274 * 0.001500)); // MJD 38761 - 274 checkOffset(1964, 9, 2, -(2.0000000 - 121 * 0.001600)); // MJD 38761 - 121 checkOffset(1965, 1, 2, -(2.1000000 + 1 * 0.001700)); // MJD 38761 + 1 checkOffset(1965, 3, 2, -(2.2000000 + 60 * 0.001800)); // MJD 38761 + 60 checkOffset(1965, 7, 2, -(2.3000000 + 182 * 0.001900)); // MJD 38761 + 182 checkOffset(1965, 9, 2, -(2.4000000 + 244 * 0.002000)); // MJD 38761 + 244 checkOffset(1966, 1, 2, -(2.5000000 + 1 * 0.002100)); // MJD 39126 + 1 checkOffset(1968, 2, 2, -(2.6000000 + 762 * 0.002200)); // MJD 39126 + 762 // last linear drift is not stopped as we miss the first constant offset in 1972 checkOffset(1972, 3, 5, -(2.6000000 + 2255 * 0.002200)); // MJD 39126 + 2255 checkOffset(1972, 7, 14, -(2.6000000 + 2386 * 0.002200)); // MJD 39126 + 2386 checkOffset(1979, 12, 31, -(2.6000000 + 5112 * 0.002200)); // MJD 39126 + 5112 checkOffset(1980, 1, 22, -(2.6000000 + 5134 * 0.002200)); // MJD 39126 + 5134 checkOffset(2006, 7, 7, -(2.6000000 + 14797 * 0.002200)); // MJD 39126 + 14797 checkOffset(2010, 7, 7, -(2.6000000 + 16258 * 0.002200)); // MJD 39126 + 16258 checkOffset(2012, 7, 7, -(2.6000000 + 16989 * 0.002200)); // MJD 39126 + 16989 checkOffset(2015, 7, 7, -(2.6000000 + 18084 * 0.002200)); // MJD 39126 + 18084 }
@Test public void testOnlyPre1972Data() throws OrekitException { Utils.setDataRoot("USNO"); TimeScalesFactory.addUTCTAIOffsetsLoader( new TAIUTCDatFilesLoader("tai-utc-only-pre-1972-data.dat")); // linear models between 1961 and 1972 checkOffset(1961, 1, 2, -(1.422818 + 1 * 0.001296)); // MJD 37300 + 1 checkOffset(1961, 8, 2, -(1.372818 + 213 * 0.001296)); // MJD 37300 + 213 checkOffset(1962, 1, 2, -(1.845858 + 1 * 0.0011232)); // MJD 37665 + 1 checkOffset(1963, 11, 2, -(1.945858 + 670 * 0.0011232)); // MJD 37665 + 670 checkOffset(1964, 1, 2, -(3.240130 - 365 * 0.001296)); // MJD 38761 - 365 checkOffset(1964, 4, 2, -(3.340130 - 274 * 0.001296)); // MJD 38761 - 274 checkOffset(1964, 9, 2, -(3.440130 - 121 * 0.001296)); // MJD 38761 - 121 checkOffset(1965, 1, 2, -(3.540130 + 1 * 0.001296)); // MJD 38761 + 1 checkOffset(1965, 3, 2, -(3.640130 + 60 * 0.001296)); // MJD 38761 + 60 checkOffset(1965, 7, 2, -(3.740130 + 182 * 0.001296)); // MJD 38761 + 182 checkOffset(1965, 9, 2, -(3.840130 + 244 * 0.001296)); // MJD 38761 + 244 checkOffset(1966, 1, 2, -(4.313170 + 1 * 0.002592)); // MJD 39126 + 1 checkOffset(1968, 2, 2, -(4.213170 + 762 * 0.002592)); // MJD 39126 + 762 // last linear drift is not stopped as we miss the first constant offset in 1972 checkOffset(1972, 3, 5, -(4.213170 + 2255 * 0.002592)); // MJD 39126 + 2255 checkOffset(1972, 7, 14, -(4.213170 + 2386 * 0.002592)); // MJD 39126 + 2386 checkOffset(1979, 12, 31, -(4.213170 + 5112 * 0.002592)); // MJD 39126 + 5112 checkOffset(1980, 1, 22, -(4.213170 + 5134 * 0.002592)); // MJD 39126 + 5134 checkOffset(2006, 7, 7, -(4.213170 + 14797 * 0.002592)); // MJD 39126 + 14797 checkOffset(2010, 7, 7, -(4.213170 + 16258 * 0.002592)); // MJD 39126 + 16258 checkOffset(2012, 7, 7, -(4.213170 + 16989 * 0.002592)); // MJD 39126 + 16989 checkOffset(2015, 7, 7, -(4.213170 + 18084 * 0.002592)); // MJD 39126 + 18084 }
@Deprecated @Test public void testDeprecatedAPI() throws OrekitException { Utils.setDataRoot("USNO"); TimeScalesFactory.addUTCTAILoader( new UTCTAILoader() { @Override public boolean stillAcceptsData() { return false; } @Override public void loadData(InputStream input, String name) {} @Override public SortedMap<DateComponents, Integer> loadTimeSteps() { SortedMap<DateComponents, Integer> map = new TreeMap<DateComponents, Integer>(); map.put(new DateComponents(1972, 1, 1), 10); map.put(new DateComponents(1972, 7, 1), 11); return map; } @Override public String getSupportedNames() { return "non-existant-name"; } }); checkOffset(1972, 1, 2, -10.0); checkOffset(1972, 6, 30, -10.0); checkOffset(1972, 7, 2, -11.0); checkOffset(3000, 1, 1, -11.0); }
private void checkOffset(int year, int month, int day, double offset) throws OrekitException { TimeScale utc = TimeScalesFactory.getUTC(); AbsoluteDate date = new AbsoluteDate(year, month, day, utc); Assert.assertEquals(offset, utc.offsetFromTAI(date), 1.0e-10); }