@Test
public void emptySketch() throws Exception {
EvalFunc<Double> func = new GetQuantileFromDoublesSketch();
DoublesSketch sketch = DoublesSketch.builder().build();
Double result =
func.exec(
tupleFactory.newTuple(Arrays.asList(new DataByteArray(sketch.toByteArray()), 0.0)));
Assert.assertEquals(result, Double.POSITIVE_INFINITY);
}
@Test
public void normalCase() throws Exception {
EvalFunc<Double> func = new GetQuantileFromDoublesSketch();
DoublesSketch sketch = DoublesSketch.builder().build();
sketch.update(1.0);
Double result =
func.exec(
tupleFactory.newTuple(Arrays.asList(new DataByteArray(sketch.toByteArray()), 0.5)));
Assert.assertEquals(result, 1.0);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void wrongTypeForFraction() throws Exception {
EvalFunc<Double> func = new GetQuantileFromDoublesSketch();
DoublesSketch sketch = DoublesSketch.builder().build();
func.exec(tupleFactory.newTuple(Arrays.asList(new DataByteArray(sketch.toByteArray()), 1)));
}
