Examples with DoubleSummary com.yahoo.sketches.tuple.DoubleSummary used on opensource projects

Example 26 with DoubleSummary

use of com.yahoo.sketches.tuple.DoubleSummary in project sketches-pig by DataSketches.

the class UnionDoubleSummarySketchTest method accumulatorEmptyInnerTuple.

@Test
public void accumulatorEmptyInnerTuple() throws Exception {
    Accumulator<Tuple> func = new UnionDoubleSummarySketch("32");
    func.accumulate(PigUtil.objectsToTuple(PigUtil.tuplesToBag(TupleFactory.getInstance().newTuple())));
    Tuple resultTuple = func.getValue();
    Assert.assertNotNull(resultTuple);
    Assert.assertEquals(resultTuple.size(), 1);
    DataByteArray bytes = (DataByteArray) resultTuple.get(0);
    Assert.assertTrue(bytes.size() > 0);
    Sketch<DoubleSummary> sketch = Sketches.heapifySketch(Memory.wrap(bytes.get()), new DoubleSummaryDeserializer());
    Assert.assertEquals(sketch.getEstimate(), 0.0);
}