/** Test of intersection method, of class Set. */
@Test
public void testIntersection() {
Set<Integer> set1 = new Set<Integer>();
Set<Integer> set2 = new Set<Integer>();
set1.addElement(1);
set1.addElement(2);
set2.addElement(2);
set2.addElement(3);
assertTrue(set1.intersection(set2).elementExists(2));
assertFalse(set1.intersection(set2).elementExists(3));
}
@Test
public void testIntersection() throws Exception {
PCollection<String> intersection = Set.intersection(set1, set2);
assertEquals(Lists.newArrayList("a", "c"), Lists.newArrayList(intersection.materialize()));
}