}

  public void testIsEmpty() {
    assertTrue(table.isEmpty());
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertFalse(table.isEmpty());
  }

  public void testSize() {
    assertSize(0);
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertSize(3);
  }

  public void testEquals() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');

    ByteStreams.copy(in, out);
    in.close();
    out.close();

    assertTrue(source.wasStreamClosed());
    assertArrayEquals(bytes, out.toByteArray());
  }

  public void testSize() throws IOException {
    assertEquals(bytes.length, source.size());
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());

    // test that we can get the size even if skip() isn't supported

        list.addLast("1");
        list.addLast("2");
        assertThat(list.getLast(), is("2"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSize() throws Exception {
        assertThat(list.size(), is(0));
        list.addLast("1");
        assertThat(list.size(), is(1));
        list.removeFirst();
        assertThat(list.size(), is(0));
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        map = null;
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSize() throws Exception {
        assertThat(map.size(), equalTo(3));
        map.put("3", "test3");
        assertThat(map.size(), equalTo(4));
    }

    /**
     * @throws Exception
     */
    @Test

    ByteStreams.copy(in, out);
    in.close();
    out.close();

    assertTrue(source.wasStreamClosed());
    assertArrayEquals(bytes, out.toByteArray());
  }

  public void testSize() throws IOException {
    assertEquals(bytes.length, source.size());
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());

    // test that we can get the size even if skip() isn't supported

      assertEquals(initialSize, map.size());
    } else {
      assertThrows(UnsupportedOperationException.class, () -> map.remove(keyToRemove));
    }
    assertInvariants(map);
  }

  public void testSize() {
    assertInvariants(makeEitherMap());
  }

  public void testKeySetRemove() {
    Map<K, V> map;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {

      assertEquals(initialSize, map.size());
    } else {
      assertThrows(UnsupportedOperationException.class, () -> map.remove(keyToRemove));
    }
    assertInvariants(map);
  }

  public void testSize() {
    assertInvariants(makeEitherMap());
  }

  public void testKeySetRemove() {
    Map<K, V> map;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {