@SuppressWarnings("unchecked") // dang varargs
public void testLexicographical() {
Ordering<String> ordering = Ordering.natural();
Ordering<Iterable<String>> lexy = ordering.lexicographical();
ImmutableList<String> empty = ImmutableList.of();
ImmutableList<String> a = ImmutableList.of("a");
ImmutableList<String> aa = ImmutableList.of("a", "a");
ImmutableList<String> ab = ImmutableList.of("a", "b");
ImmutableList<String> b = ImmutableList.of("b");
Helpers.testComparator(lexy, empty, a, aa, ab, b);
new EqualsTester()
.addEqualityGroup(lexy, ordering.lexicographical())
.addEqualityGroup(numberOrdering.lexicographical())
.addEqualityGroup(Ordering.natural())
.testEquals();
}
