Example #1
0
  @Test
  public void testContainsType() {
    Collection<A> collection = new HashSet<A>();
    collection.add(new B());
    collection.add(new B());

    assertTrue(Groups.containsType(A.class, collection));
    assertTrue(Groups.containsType(B.class, collection));
    assertFalse(Groups.containsType(C.class, collection));
  }