@Test
public void immutableList() {
ImmutableListMultimap<Integer, Integer> empty = Multimaps.immutable.list.of();
ImmutableListMultimap<Integer, Integer> emptyWith = Multimaps.immutable.list.with();
Verify.assertEmpty(empty);
Verify.assertEmpty(emptyWith);
ImmutableListMultimap<Integer, Integer> one = Multimaps.immutable.list.of(1, 1);
Assert.assertEquals(FastListMultimap.newMultimap(Tuples.pair(1, 1)), one);
ImmutableListMultimap<Integer, Integer> two = Multimaps.immutable.list.of(1, 1, 2, 2);
Assert.assertEquals(FastListMultimap.newMultimap(Tuples.pair(1, 1), Tuples.pair(2, 2)), two);
ImmutableListMultimap<Integer, Integer> three = Multimaps.immutable.list.of(1, 1, 2, 2, 3, 3);
Assert.assertEquals(
FastListMultimap.newMultimap(Tuples.pair(1, 1), Tuples.pair(2, 2), Tuples.pair(3, 3)),
three);
}
@Test
public void get() {
MutableListMultimap<String, String> multimap = FastListMultimap.newMultimap();
multimap.putAll("One", FastList.newListWith("O", "N", "E"));
multimap.putAll("Two", FastList.newListWith("T", "W", "O"));
multimap.putAll("Three", FastList.newListWith("T", "H", "R", "E", "E"));
Function<String, RichIterable<String>> getFunction = MultimapFunctions.get(multimap);
Assert.assertEquals(
FastList.newListWith(
FastList.newListWith("O", "N", "E"),
FastList.newListWith("T", "W", "O"),
FastList.newListWith("T", "H", "R", "E", "E")),
FastList.newListWith("One", "Two", "Three").collect(getFunction));
}
@Override
public <V2> ImmutableListMultimap<K, V2> collectValues(
Function<? super V, ? extends V2> function) {
return this.collectValues(function, FastListMultimap.<K, V2>newMultimap()).toImmutable();
}