@Test
public void testAggregate() {
CountAggregate aa = new CountAggregate();
Number num;
num = aa.aggregate(null);
assertNull(num);
num = aa.aggregate(new Number[] {});
assertNull(num);
num = aa.aggregate(MockDataSet.buildIntegerArray(new int[] {0, 0, 0}));
assertEquals(3, num.intValue());
num = aa.aggregate(MockDataSet.buildIntegerArray(new int[] {-1, 0}));
assertEquals(2, num.intValue());
num = aa.aggregate(MockDataSet.buildIntegerArray(new int[] {0, 0, 1, 2, 3}));
assertEquals(5, num.intValue());
num = aa.aggregate(MockDataSet.buildDoubleArray(new double[] {0, 0, 0}));
assertEquals(3, num.doubleValue(), 0.0);
num = aa.aggregate(MockDataSet.buildDoubleArray(new double[] {-1, 1}));
assertEquals(2, num.doubleValue(), 0.0);
num = aa.aggregate(MockDataSet.buildDoubleArray(new double[] {0, 0, 1, 4, 5}));
assertEquals(5, num.doubleValue(), 0.0);
}
@Test
public void testGetID() {
CountAggregate aa = new CountAggregate();
assertTrue(CountAggregate.ID.equals(aa.getID()));
}
