public class bBitMinHashUDFTest {
@Test
public void test() throws HiveException {
bBitMinHashUDF bbminhash = new bBitMinHashUDF();
PopcountUDF popcnt = new PopcountUDF();
String a1 = bbminhash.evaluate(Arrays.asList("a", "b", "c"), false).toString();
String a2 = bbminhash.evaluate(Arrays.asList("a", "b"), false).toString();
Assert.assertFalse("a1: " + a1, bigint(a1).compareTo(bigint(0L)) < 0);
Assert.assertFalse("a2: " + a2, bigint(a2).compareTo(bigint(0L)) < 0);
Assert.assertTrue(popcnt.evaluate(a1, a2).get() > 0);
String b1 = bbminhash.evaluate(Arrays.asList("a"), false).toString();
String b2 = bbminhash.evaluate(Arrays.asList("b", "c"), false).toString();
Assert.assertFalse("b1: " + b1, bigint(b1).compareTo(bigint(0L)) < 0);
Assert.assertFalse("b2: " + b2, bigint(b2).compareTo(bigint(0L)) < 0);
Assert.assertTrue(popcnt.evaluate(a1, a2).get() > popcnt.evaluate(b1, b2).get());
String c1 = bbminhash.evaluate(Arrays.asList("a", "b", "c", "d", "e"), false).toString();
String c2 = bbminhash.evaluate(Arrays.asList("b", "c", "e", "d"), false).toString();
Assert.assertTrue(popcnt.evaluate(c1, c2).get() > popcnt.evaluate(a1, a2).get());
}