private final ImmutableTable<Character, Integer, String> testTable =
      new SingletonImmutableTable<>('a', 1, "blah");

  public void testHashCode() {
    assertEquals(Objects.hash('a', 1, "blah"), testTable.hashCode());
  }

  public void testCellSet() {
    assertEquals(ImmutableSet.of(immutableCell('a', 1, "blah")), testTable.cellSet());
  }

  public void testColumn() {

    assertEquals("blah", Files.getNameWithoutExtension("blah.txt"));
    assertEquals("blah.", Files.getNameWithoutExtension("blah..txt"));
    assertEquals(".blah", Files.getNameWithoutExtension(".blah.txt"));
    assertEquals("blah", Files.getNameWithoutExtension("/tmp/blah.txt"));
    assertEquals("blah.tar", Files.getNameWithoutExtension("blah.tar.gz"));
    assertEquals("", Files.getNameWithoutExtension("/"));

    assertEquals("blah", Files.getNameWithoutExtension("blah.txt"));
    assertEquals("blah.", Files.getNameWithoutExtension("blah..txt"));
    assertEquals(".blah", Files.getNameWithoutExtension(".blah.txt"));
    assertEquals("blah", Files.getNameWithoutExtension("/tmp/blah.txt"));
    assertEquals("blah.tar", Files.getNameWithoutExtension("blah.tar.gz"));
    assertEquals("", Files.getNameWithoutExtension("/"));

    assertTrue(
        RegularImmutableTable.forCells(
                ImmutableSet.of(
                    immutableCell('a', 1, "blah"),
                    immutableCell('b', 2, "blah"),
                    immutableCell('c', 3, "blah")))
            instanceof SparseImmutableTable<?, ?, ?>);
  }

  public void testGet() {

    assertEquals("foo&bar", htmlEscaper().escape("foo&bar"));

    // If the string contains no escapes, it should return the arg.
    // Note: assert<b>Same</b> for this implementation.
    String s = "blah blah farhvergnugen";
    assertSame(s, htmlEscaper().escape(s));

    // Tests escapes at begin and end of string.
    assertEquals("&lt;p&gt;", htmlEscaper().escape("<p>"));

    // Test all escapes.

        final int clen = s.length();
        final int blen = 2 * clen;
        final byte[] b = new byte[blen];
        final char[] c = new char[clen];
        s.getChars(0, clen, c, 0);
        for (int i = 0, j = 0; i < clen; i++) {
            b[j] = (byte) (c[i] >>> 8);
            j++;
            b[j++] = (byte) (c[i] >>> 0);
        }
        write(b, 0, blen);
    }

    @Override

    assertEquals("foo&bar", htmlEscaper().escape("foo&bar"));

    // If the string contains no escapes, it should return the arg.
    // Note: assert<b>Same</b> for this implementation.
    String s = "blah blah farhvergnugen";
    assertSame(s, htmlEscaper().escape(s));

    // Tests escapes at begin and end of string.
    assertEquals("&lt;p&gt;", htmlEscaper().escape("<p>"));

    // Test all escapes.

  public void testHashCode() {
    assertEquals(0, INSTANCE.hashCode());
  }

  public void testEqualsObject() {
    Table<Character, Integer, String> nonEmptyTable = HashBasedTable.create();
    nonEmptyTable.put('A', 1, "blah");

    new EqualsTester()
        .addEqualityGroup(INSTANCE, HashBasedTable.create(), TreeBasedTable.create())
        .addEqualityGroup(nonEmptyTable)
        .testEquals();
  }

  @GwtIncompatible // ArrayTable

        final int clen = s.length();
        final int blen = 2 * clen;
        final byte[] b = new byte[blen];
        final char[] c = new char[clen];
        s.getChars(0, clen, c, 0);
        for (int i = 0, j = 0; i < clen; i++) {
            b[j] = (byte) (c[i] >>> 8);
            j++;
            b[j++] = (byte) (c[i] >>> 0);
        }
        write(b, 0, blen);
    }

    @Override

  @J2ktIncompatible
  public void testContains_typeMismatch() {
    ImmutableSortedSet<Integer> set = ContiguousSet.create(Range.open(0, 4), integers());
    assertFalse(set.contains((Object) "blah"));
  }

  public void testContainsAll() {
    ImmutableSortedSet<Integer> set = ContiguousSet.create(Range.closed(1, 3), integers());
    for (Set<Integer> subset : Sets.powerSet(ImmutableSet.of(1, 2, 3))) {