// -------------------------------------------------------------------------
public void test_stream() {
LocalDateDoubleTimeSeries base =
LocalDateDoubleTimeSeries.builder().putAll(DATES_2010_12, VALUES_10_12).build();
Object[] test = base.stream().toArray();
assertEquals(test[0], LocalDateDoublePoint.of(DATE_2010_01_01, 10));
assertEquals(test[1], LocalDateDoublePoint.of(DATE_2011_01_01, 11));
assertEquals(test[2], LocalDateDoublePoint.of(DATE_2012_01_01, 12));
}
public void test_immutableValuesViaBeanGet() {
LocalDateDoubleTimeSeries test =
LocalDateDoubleTimeSeries.builder().putAll(DATES_2010_12, VALUES_10_12).build();
double[] array = (double[]) ((Bean) test).property("values").get();
array[0] = -1;
LocalDateDoublePoint[] points = test.stream().toArray(LocalDateDoublePoint[]::new);
assertEquals(points[0], LocalDateDoublePoint.of(DATE_2010_01_01, 10d));
assertEquals(points[1], LocalDateDoublePoint.of(DATE_2011_01_01, 11d));
assertEquals(points[2], LocalDateDoublePoint.of(DATE_2012_01_01, 12d));
}
public void test_stream_withCollector() {
LocalDateDoubleTimeSeries base =
LocalDateDoubleTimeSeries.builder().putAll(DATES_2010_12, VALUES_10_12).build();
LocalDateDoubleTimeSeries test =
base.stream()
.map(point -> point.withValue(1.5d))
.collect(LocalDateDoubleTimeSeries.collector());
assertEquals(test.size(), 3);
assertEquals(test.get(DATE_2010_01_01), OptionalDouble.of(1.5));
assertEquals(test.get(DATE_2011_01_01), OptionalDouble.of(1.5));
assertEquals(test.get(DATE_2012_01_01), OptionalDouble.of(1.5));
}
// -------------------------------------------------------------------------
public void test_immutableViaBeanBuilder() {
LocalDate[] dates = {DATE_2010_01_01, DATE_2011_01_01, DATE_2012_01_01};
double[] values = {6, 5, 4};
BeanBuilder<? extends LocalDateDoubleTimeSeries> builder =
SparseLocalDateDoubleTimeSeries.meta().builder();
builder.set("dates", dates);
builder.set("values", values);
LocalDateDoubleTimeSeries test = builder.build();
dates[0] = DATE_2012_01_01;
values[0] = -1;
LocalDateDoublePoint[] points = test.stream().toArray(LocalDateDoublePoint[]::new);
assertEquals(points[0], LocalDateDoublePoint.of(DATE_2010_01_01, 6d));
assertEquals(points[1], LocalDateDoublePoint.of(DATE_2011_01_01, 5d));
assertEquals(points[2], LocalDateDoublePoint.of(DATE_2012_01_01, 4d));
}
