/** Test method for {@link NullElement#compareTo(Element)}. */
@Test
public void testCompareTo() {
final NullElement a = new NullElement("a");
final NullElement b = new NullElement("b");
final Element other = new MaxKeyElement("a");
assertEquals(0, a.compareTo(a));
assertTrue(a.compareTo(b) < 0);
assertTrue(b.compareTo(a) > 0);
assertTrue(a.compareTo(other) < 0);
assertTrue(other.compareTo(a) > 0);
}
/** Test method for {@link NullElement#equals(java.lang.Object)} . */
@Test
public void testEqualsObject() {
final List<Element> objs1 = new ArrayList<Element>();
final List<Element> objs2 = new ArrayList<Element>();
for (final String name : Arrays.asList("1", "foo", "bar", "baz", "2")) {
objs1.add(new NullElement(name));
objs2.add(new NullElement(name));
}
// Sanity check.
assertEquals(objs1.size(), objs2.size());
for (int i = 0; i < objs1.size(); ++i) {
final Element obj1 = objs1.get(i);
Element obj2 = objs2.get(i);
assertTrue(obj1.equals(obj1));
assertNotSame(obj1, obj2);
assertEquals(obj1, obj2);
assertEquals(obj1.hashCode(), obj2.hashCode());
for (int j = i + 1; j < objs1.size(); ++j) {
obj2 = objs2.get(j);
assertFalse(obj1.equals(obj2));
assertFalse(obj1.hashCode() == obj2.hashCode());
}
assertFalse(obj1.equals("foo"));
assertFalse(obj1.equals(null));
assertFalse(obj1.equals(new MaxKeyElement(obj1.getName())));
}
}