fail();
    } catch (TimeoutException expected) {
    } catch (ExecutionException e) {
      throw new AssertionError(e);
    }
  }

  static void verifyTimedGetOnPendingFuture(Future<?> future) {
    try {
      getUninterruptibly(future, 0, SECONDS);
      fail();
    } catch (TimeoutException expected) {
    } catch (ExecutionException e) {
      throw new AssertionError(e);
    }

  public void testReplaceAll_changesSome() {
    getList().replaceAll(e -> e.equals(samples.e0()) ? samples.e3() : e);
    E[] expected = createSamplesArray();
    for (int i = 0; i < expected.length; i++) {
      if (expected[i].equals(samples.e0())) {
        expected[i] = samples.e3();
      }
    }
    expectContents(expected);
  }

  @CollectionSize.Require(absent = ZERO)
  @ListFeature.Require(absent = SUPPORTS_SET)

    String expected = begin + end;
    assertEquals(expected.charAt(0), joinedReader.read());
    CharStreams.skipFully(joinedReader, 1);
    assertEquals(expected.charAt(2), joinedReader.read());
    CharStreams.skipFully(joinedReader, 4);
    assertEquals(expected.charAt(7), joinedReader.read());
    CharStreams.skipFully(joinedReader, 1);
    assertEquals(expected.charAt(9), joinedReader.read());

      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected rsv2 flag")
    }
    data.clear()
    data.write("9a00".decodeHex()) // Empty pong, flag 3 set.
    assertFailsWith<ProtocolException> {
      clientReader.processNextFrame()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected rsv3 flag")
    }
  }

    CharSource c2 = CharSource.wrap("");
    CharSource c3 = CharSource.wrap("de");

    String expected = "abcde";

    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3)).read());
    assertEquals(expected, CharSource.concat(c1, c2, c3).read());
    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3).iterator()).read());
    assertFalse(CharSource.concat(c1, c2, c3).isEmpty());

        hasher.putInt(intToPut);
      }
      for (Sink sink : sinks) {
        HashCode unused = sink.hash();
      }

      byte[] expected = controlSink.hash().asBytes();
      for (Sink sink : sinks) {
        sink.assertInvariants(expected.length);
        sink.assertBytes(expected);
      }
    }
  }

  private static class Sink extends AbstractStreamingHasher {
    final int chunkSize;

    CacheBuilder<?, ?> expected =
        CacheBuilder.newBuilder()
            .initialCapacity(10)
            .maximumSize(20)
            .concurrencyLevel(30)
            .weakKeys()
            .weakValues()
            .expireAfterAccess(10L, MINUTES)
            .expireAfterWrite(1L, HOURS);
    assertCacheBuilderEquivalence(expected, CacheBuilder.from(spec));
  }

    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, new Message()));
    verifySimpleMessage(expected);
  }

  public void testCheckArgument_nullMessage_failure() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, null));
    assertThat(expected).hasMessageThat().isEqualTo("null");
  }

    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, new Message()));
    verifySimpleMessage(expected);
  }

  public void testCheckArgument_nullMessage_failure() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> checkArgument(false, null));
    assertThat(expected).hasMessageThat().isEqualTo("null");
  }

    ExecutionError expected = assertThrows(ExecutionError.class, () -> cache.get(new Object()));
    assertThat(expected).hasCauseThat().isSameInstanceAs(e);
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());