}

  public void testSize() {
    assertEquals(0, INSTANCE.size());
  }

  public void testGet() {
    assertThat(INSTANCE.get('a', 1)).isNull();
  }

  public void testIsEmpty() {
    assertTrue(INSTANCE.isEmpty());
  }

  public void testCellSet() {
    assertEquals(ImmutableSet.of(), INSTANCE.cellSet());
  }

  public void testColumn() {

      assertEquals(expectedLines.get(0), source.readFirstLine());
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }

  public void testIsEmpty() throws IOException {
    assertEquals(expected.isEmpty(), source.isEmpty());
  }

  public void testLength() throws IOException {
    assertEquals(expected.length(), source.length());
  }

   * collection views are synchronized correctly.
   */

  public void testSize() {
    int unused = create().size();
  }

  public void testIsEmpty() {
    boolean unused = create().isEmpty();
  }

  public void testRemove() {
    create().remove(null);
  }

  public void testClear() {
    create().clear();
  }

    assertThat(table.get("cat", 1)).isNull();
    assertThat(table.get("foo", null)).isNull();
    assertThat(table.get(null, 1)).isNull();
    assertThat(table.get(null, null)).isNull();
  }

  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);

    assertThat(table.get("cat", 1)).isNull();
    assertThat(table.get("foo", null)).isNull();
    assertThat(table.get(null, 1)).isNull();
    assertThat(table.get(null, null)).isNull();
  }

  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);

    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 1).length()).isEqualTo(0);
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 2).length()).isEqualTo(1);
  }

  public void testIsEmpty() {
    assertThat(ImmutableLongArray.of().isEmpty()).isTrue();
    assertThat(ImmutableLongArray.of(0).isEmpty()).isFalse();
    assertThat(ImmutableLongArray.of(0, 1, 3).isEmpty()).isFalse();

    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 1).length()).isEqualTo(0);
    assertThat(ImmutableLongArray.of(0, 1, 3).subArray(1, 2).length()).isEqualTo(1);
  }

  public void testIsEmpty() {
    assertThat(ImmutableLongArray.of().isEmpty()).isTrue();
    assertThat(ImmutableLongArray.of(0).isEmpty()).isFalse();
    assertThat(ImmutableLongArray.of(0, 1, 3).isEmpty()).isFalse();

        IllegalArgumentException.class,
        () -> {
          FluentIterable<String> unused =
              FluentIterable.from(Lists.newArrayList("a", "b", "c")).limit(-1);
        });
  }

  public void testIsEmpty() {
    assertTrue(FluentIterable.<String>from(Collections.<String>emptyList()).isEmpty());
    assertFalse(FluentIterable.<String>from(Lists.newArrayList("foo")).isEmpty());
  }

  public void testToList() {

  }

  public void testLimit_illegalArgument() {
    List<String> list = newArrayList("a", "b", "c");
    assertThrows(IllegalArgumentException.class, () -> Iterables.limit(list, -1));
  }

  public void testIsEmpty() {
    Iterable<String> emptyList = emptyList();
    assertTrue(Iterables.isEmpty(emptyList));

    Iterable<String> singletonList = singletonList("foo");
    assertFalse(Iterables.isEmpty(singletonList));
  }