try {
      builder.orderEntriesByValue(Ordering.natural());
      fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableBiMap<String, Integer> map =
        new Builder<String, Integer>().putAll(Collections.<String, Integer>emptyMap()).build();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
  }

    try {
      builder.orderEntriesByValue(Ordering.natural());
      fail("Expected IllegalStateException");
    } catch (IllegalStateException expected) {
    }
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableBiMap<String, Integer> map =
        new Builder<String, Integer>().putAll(Collections.<String, Integer>emptyMap()).build();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
  }

            return 1;
          }
        };

    builder.put(entry);
    holder.string = "two";
    assertMapEquals(builder.build(), "one", 1);
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableSortedMap<String, Integer> map =
        ImmutableSortedMap.<String, Integer>naturalOrder()
            .putAll(Collections.<String, Integer>emptyMap())
            .build();

            return 1;
          }
        };

    builder.put(entry);
    holder.string = "two";
    assertMapEquals(builder.build(), "one", 1);
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableSortedMap<String, Integer> map =
        ImmutableSortedMap.<String, Integer>naturalOrder()
            .putAll(Collections.<String, Integer>emptyMap())
            .build();

            return 1;
          }
        };

    builder.put(entry);
    holder.string = "two";
    assertMapEquals(builder.buildOrThrow(), "one", 1);
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableMap<String, Integer> map =
        new Builder<String, Integer>()
            .putAll(Collections.<String, Integer>emptyMap())
            .buildOrThrow();

            return 1;
          }
        };

    builder.put(entry);
    holder.string = "two";
    assertMapEquals(builder.buildOrThrow(), "one", 1);
  }

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableMap<String, Integer> map =
        new Builder<String, Integer>()
            .putAll(Collections.<String, Integer>emptyMap())
            .buildOrThrow();