public void test_earliestLatest_whenEmpty() {
LocalDateDoubleTimeSeries test = LocalDateDoubleTimeSeries.empty();
TestHelper.assertThrows(() -> test.getEarliestDate(), NoSuchElementException.class);
TestHelper.assertThrows(() -> test.getEarliestValue(), NoSuchElementException.class);
TestHelper.assertThrows(() -> test.getLatestDate(), NoSuchElementException.class);
TestHelper.assertThrows(() -> test.getLatestValue(), NoSuchElementException.class);
}
// -------------------------------------------------------------------------
public void test_earliestLatest() {
LocalDateDoubleTimeSeries test =
LocalDateDoubleTimeSeries.builder().putAll(DATES_2010_12, VALUES_10_12).build();
assertEquals(test.getEarliestDate(), DATE_2010_01_01);
assertEquals(test.getEarliestValue(), 10d, TOLERANCE);
assertEquals(test.getLatestDate(), DATE_2012_01_01);
assertEquals(test.getLatestValue(), 12d, TOLERANCE);
}
public void test_combineWith_intersectionWithAllMatchingElements() {
List<LocalDate> dates1 = DATES_2010_14;
List<Double> values1 = values(10, 11, 12, 13, 14);
LocalDateDoubleTimeSeries series1 =
LocalDateDoubleTimeSeries.builder().putAll(dates1, values1).build();
List<LocalDate> dates2 = DATES_2010_14;
List<Double> values2 = values(1.0, 1.1, 1.2, 1.3, 1.4);
LocalDateDoubleTimeSeries series2 =
LocalDateDoubleTimeSeries.builder().putAll(dates2, values2).build();
LocalDateDoubleTimeSeries combined = series1.intersection(series2, Double::sum);
assertEquals(combined.size(), 5);
assertEquals(combined.getEarliestDate(), DATE_2010_01_01);
assertEquals(combined.getLatestDate(), DATE_2014_01_01);
assertEquals(combined.get(DATE_2010_01_01), OptionalDouble.of(11.0));
assertEquals(combined.get(DATE_2011_01_01), OptionalDouble.of(12.1));
assertEquals(combined.get(DATE_2012_01_01), OptionalDouble.of(13.2));
assertEquals(combined.get(DATE_2013_01_01), OptionalDouble.of(14.3));
assertEquals(combined.get(DATE_2014_01_01), OptionalDouble.of(15.4));
}
