assertThat(multimap.get("a")).containsExactly(1, 3).inOrder();
    assertThat(multimap.get("b")).containsExactly(2);
    assertThat(multimap.get("c")).containsExactly(4);
  }

  public void testEmptyMultimapReads() {
    Multimap<String, Integer> multimap = ImmutableSetMultimap.of();
    assertFalse(multimap.containsKey("foo"));
    assertFalse(multimap.containsValue(1));
    assertFalse(multimap.containsEntry("foo", 1));

    assertThat(multimap.get("a")).containsExactly(1, 3).inOrder();
    assertThat(multimap.get("b")).containsExactly(2);
    assertThat(multimap.get("c")).containsExactly(4);
  }

  public void testEmptyMultimapReads() {
    ImmutableListMultimap<String, Integer> multimap = ImmutableListMultimap.of();
    assertFalse(multimap.containsKey("foo"));
    assertFalse(multimap.containsValue(1));

            .build();
    CollectorTester.of(collector, equivalence)
        .expectCollects(empty)
        .expectCollects(filled, "banana", "apple", "carrot", "asparagus", "cherry");
  }

  public void testEmptyMultimapReads() {
    Multimap<String, Integer> multimap = ImmutableSetMultimap.of();
    assertFalse(multimap.containsKey("foo"));
    assertFalse(multimap.containsValue(1));
    assertFalse(multimap.containsEntry("foo", 1));