Comparator<Foo> natural = Ordering.natural();
    Comparator<Foo> reverse = Collections.reverseOrder(natural);
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(Comparators.min(a, b, reverse)).isSameInstanceAs(a);
    assertThat(Comparators.max(a, b, reverse)).isSameInstanceAs(a);
  }

  private static class Foo implements Comparable<Foo> {
    final Integer value;

    assertFalse(entry("foo", 1).equals(control("bar", 1)));
    assertFalse(entry("foo", 1).equals(new Object()));
    assertFalse(entry("foo", 1).equals(null));
  }

  public void testEqualsNull() {
    assertEquals(control(NE, 1), entry(NE, 1));
    assertFalse(control(NE, 1).equals(entry(NE, 2)));
    assertFalse(entry(NE, 1).equals(control("bar", 1)));

    Comparator<Foo> natural = Ordering.natural();
    Comparator<Foo> reverse = Collections.reverseOrder(natural);
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(Comparators.min(a, b, reverse)).isSameInstanceAs(a);
    assertThat(Comparators.max(a, b, reverse)).isSameInstanceAs(a);
  }

  private static class Foo implements Comparable<Foo> {
    final Integer value;

    assertThat(result).asList().containsExactly("foo", "bar", "baz").inOrder();
  }

  public void testAppendZeroElements() {
    String[] result = ObjectArrays.concat(new String[] {}, "foo");
    assertThat(result).asList().contains("foo");
  }

  public void testAppendOneElement() {
    String[] result = ObjectArrays.concat(new String[] {"foo"}, "bar");

public class RegularImmutableTableTest extends AbstractImmutableTableTest {
  private static final ImmutableSet<Cell<Character, Integer, String>> CELLS =
      ImmutableSet.of(
          Tables.immutableCell('a', 1, "foo"),
          Tables.immutableCell('b', 1, "bar"),
          Tables.immutableCell('a', 2, "baz"));

  private static final ImmutableSet<Character> ROW_SPACE = ImmutableSet.of('a', 'b');

     */
    public void testToJarFilePath() throws Exception {
        final File f = new File("/Program Files/foo.jar");
        final URL url = new URL("jar:" + f.toURI().toURL() + "!/");
        final String root = new File("/").getCanonicalPath();
        assertEquals(root + "Program Files" + File.separator + "foo.jar", JarFileUtil.toJarFilePath(url));
    }

    /**
     * @throws Exception
     */

 *
 * <p>For example:
 *
 * <pre>{@code
 * new ForwardingWrapperTester().testForwarding(Foo.class, new Function<Foo, Foo>() {
 *   public Foo apply(Foo foo) {
 *     return new ForwardingFoo(foo);
 *   }
 * });
 * }</pre>
 *
 * @author Ben Yu
 * @since 14.0
 */
@GwtIncompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault

 *
 * <p>For example:
 *
 * <pre>{@code
 * new ForwardingWrapperTester().testForwarding(Foo.class, new Function<Foo, Foo>() {
 *   public Foo apply(Foo foo) {
 *     return new ForwardingFoo(foo);
 *   }
 * });
 * }</pre>
 *
 * @author Ben Yu
 * @since 14.0
 */
@GwtIncompatible
@J2ktIncompatible
@ElementTypesAreNonnullByDefault

    assertNull(table.put("foo", 1, cellValue('a')));
    assertNull(table.put("bar", 1, cellValue('b')));
    assertNull(table.put("foo", 3, cellValue('c')));
    assertEquals((Character) 'a', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));
    assertEquals((Character) 'b', table.get("bar", 1));
    assertSize(3);
    assertEquals((Character) 'd', table.put("foo", 1, cellValue('d')));

    table1.put("foo", 1, 'a');
    assertEquals((Character) 'a', table1.get("foo", 1));

    Table<String, Integer, Character> table2 = HashBasedTable.create(100, 0);
    table2.put("foo", 1, 'a');
    assertEquals((Character) 'a', table2.get("foo", 1));

    Table<String, Integer, Character> table3 = HashBasedTable.create(0, 20);
    table3.put("foo", 1, 'a');