@Test(groups = "ordering")
public void testIsStrictlyOrdered() {
assertFalse(
byLengthOrdering.isStrictlyOrdered(
Arrays.asList(
hanSolo.getName(),
princessLeia.getName(),
lukeSkywalker.getName(),
lukeSkywalker.getName())));
}
@Test(groups = "ordering")
public void testNullsFirst() {
assertEquals(
byLengthOrdering
.nullsFirst()
.sortedCopy(
Arrays.asList(
hanSolo.getName(), null, lukeSkywalker.getName(), null, princessLeia.getName()))
.toString(),
"[null, null, Han Solo, Princess Leia, Luke Skywalker]");
}
@Test(groups = "ordering")
public void testAdHocOrdering() {
Ordering<String> byLengthOrdering =
new Ordering<String>() {
public int compare(String left, String right) {
return (left.length() - right.length());
}
};
assertEquals(
byLengthOrdering.max(hanSolo.getName(), lukeSkywalker.getName(), princessLeia.getName()),
"Luke Skywalker");
}
public int compare(StarWarsCharacter o1, StarWarsCharacter o2) {
return o1.getName().compareTo(o2.getName());
}
public int compare(StarWarsCharacter o1, StarWarsCharacter o2) {
return o1.getEpisodeFirstAppearance().getYear() - o2.getEpisodeFirstAppearance().getYear();
}