* applicable for the arguments (Predicate<FluentIterableTest.X>)
     */
    // FluentIterable.of().append(aIterable).append(bIterable).filter(xPredicate);
  }

  public void testSize0() {
    assertEquals(0, FluentIterable.<String>of().size());
  }

  public void testSize1Collection() {
    assertEquals(1, FluentIterable.from(asList("a")).size());
  }

 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class IterablesTest extends TestCase {

  public void testSize0() {
    Iterable<String> iterable = emptySet();
    assertEquals(0, Iterables.size(iterable));
  }

  public void testSize1Collection() {
    Iterable<String> iterable = singleton("a");

    assertThrows(IllegalStateException.class, () -> iterator.remove());
  }

  public void testSize0() {
    Iterator<String> iterator = emptyIterator();
    assertEquals(0, Iterators.size(iterator));
  }

  public void testSize1() {
    Iterator<Integer> iterator = singleton(0).iterator();
    assertEquals(1, Iterators.size(iterator));
  }

    assertThrows(IllegalStateException.class, () -> iterator.remove());
  }

  public void testSize0() {
    Iterator<String> iterator = emptyIterator();
    assertEquals(0, Iterators.size(iterator));
  }

  public void testSize1() {
    Iterator<Integer> iterator = singleton(0).iterator();
    assertEquals(1, Iterators.size(iterator));
  }

    assertNull(testTable.get('A', 1));
    assertNull(testTable.get('A', 2));
  }

  public void testIsEmpty() {
    assertFalse(testTable.isEmpty());
  }

  public void testSize() {
    assertEquals(1, testTable.size());
  }

  public void testValues() {
    assertThat(testTable.values()).contains("blah");
  }

  @Override

    for (ImmutableTable<Character, Integer, String> testInstance : getTestInstances()) {
      assertThat(testInstance.values()).containsExactly("foo", "bar", "baz").inOrder();
    }
  }

  public void testSize() {
    for (ImmutableTable<Character, Integer, String> testInstance : getTestInstances()) {
      assertEquals(3, testInstance.size());
    }
  }

  public void testContainsValue() {

        FileSizeFormat format = new FileSizeFormat();

        long negativeSize = -100L;
        assertThrows(IllegalArgumentException.class, () -> format.format(negativeSize));
    }

    @Test
    void testSize() {
        FileSizeFormat format = new FileSizeFormat();

        long _0_bytes = 0L;
        assertEquals("0 B", format.format(_0_bytes));

        long _5_bytes = 5L;

  }

  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');

  }

  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