return ("{" + c + "}").toCharArray();
          }
        };
    EscaperAsserts.assertBasic(wrappingEscaper);
    // '[' and '@' lie either side of [A-Z].
    assertEquals("{[}FOO{@}BAR{]}", wrappingEscaper.escape("[FOO@BAR]"));
  }

  public void testSafeRange_maxLessThanMin() throws IOException {
    // Basic escaping of unsafe chars (wrap them in {,}'s)
    CharEscaper wrappingEscaper =

   */
  public void testArraysAsList() {
    List<String> ourWay = Lists.newArrayList("foo", "bar", "baz");
    List<String> otherWay = asList("foo", "bar", "baz");

    // They're logically equal
    assertEquals(ourWay, otherWay);

    // The result of Arrays.asList() is mutable
    otherWay.set(0, "FOO");
    assertEquals("FOO", otherWay.get(0));

    // But it can't grow
    try {
      otherWay.add("nope");

   *
   * <p>For example, if {@code rangeMap} had the entries {@code [1, 5] => "foo", (6, 8) => "bar",
   * (10, ∞) => "baz"} then {@code rangeMap.subRangeMap(Range.open(3, 12))} would return a range map
   * with the entries {@code (3, 5] => "foo", (6, 8) => "bar", (10, 12) => "baz"}.
   *
   * <p>The returned range map supports all optional operations that this range map supports, except

    nested.set("foo");
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals("foo", future.get());
  }

  private static class Foo {}

  private static class FooChild extends Foo {}

  public void testSetFuture_genericsHierarchy() throws Exception {
    SettableFuture<Foo> future = SettableFuture.create();

    nested.set("foo");
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals("foo", future.get());
  }

  private static class Foo {}

  private static class FooChild extends Foo {}

  public void testSetFuture_genericsHierarchy() throws Exception {
    SettableFuture<Foo> future = SettableFuture.create();

  public void testNullIsPassedThrough() {
    Converter<String, String> nullsArePassed = sillyConverter(false);
    assertEquals("forward", nullsArePassed.convert("foo"));
    assertEquals("forward", nullsArePassed.convert(null));
    assertEquals("backward", nullsArePassed.reverse().convert("foo"));
    assertEquals("backward", nullsArePassed.reverse().convert(null));
  }

  public void testNullIsNotPassedThrough() {

  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    RowSortedTable<Integer, String, Character> table = TreeBasedTable.create();
    table.put(1, "foo", 'a');
    table.put(1, "bar", 'b');
    table.put(3, "foo", 'c');
    return Tables.unmodifiableRowSortedTable(table).columnMap();
  }

  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    Table<Integer, String, Character> table = HashBasedTable.create();
    table.put(1, "foo", 'a');
    table.put(1, "bar", 'b');
    table.put(3, "foo", 'c');
    return Tables.unmodifiableTable(table).columnMap();
  }

                    multimap.put("foo", 17);
                    multimap.put("bar", 32);
                    multimap.put("foo", 16);
                    return Multimaps.filterKeys(
                        multimap, Predicates.not(Predicates.in(ImmutableSet.of("foo", "bar"))));
                  }
                })

  @GwtIncompatible // StringBuilder.append in GWT invokes Object.toString(), unlike the JRE version.
  public void testDontConvertCharSequenceToString() {
    assertEquals("foo,foo", Joiner.on(",").join(new DontStringMeBro(), new DontStringMeBro()));
    assertEquals(
        "foo,bar,foo",
        Joiner.on(",").useForNull("bar").join(new DontStringMeBro(), null, new DontStringMeBro()));
  }

  @J2ktIncompatible