|| (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
            // Third byte trailing-byte test
            || bytes[index++] > (byte) 0xBF
            // Fourth byte trailing-byte test
            || bytes[index++] > (byte) 0xBF) {
          return false;
        }
      }
    }
  }

  private static String unpairedSurrogateMsg(int i) {

        // First: "" (sb becomes "")
        // Second: sb.length() is 0, no delimiter, append null (sb becomes "null")
        // Third: sb.length() > 0, add "-" + "value" (sb becomes "null-value")
        // Fourth: sb.length() > 0, add "-" + "" (sb becomes "null-value-")
        // Fifth: sb.length() > 0, add "-" + null (sb becomes "null-value--null")
        assertEquals("null-value--null", result);
    }

    @Test

        assertTrue(aggregateLogJob.execute().contains("Invalid argument"));

        // Third execution - IllegalStateException
        assertTrue(aggregateLogJob.execute().contains("Invalid state"));

        // Fourth execution - NullPointerException
        assertTrue(aggregateLogJob.execute().contains("Null pointer"));

        // Fifth execution - RuntimeException
        assertTrue(aggregateLogJob.execute().contains("Generic error"));

  private abstract static class Third<T, D> extends Second<T> {}

  private abstract static class Fourth<T, D> extends Third<D, T> {}

  private static class ConcreteIntegerString extends Fourth<Integer, String> {}

  private static class ConcreteStringInteger extends Fourth<String, Integer> {}

  public void testAssignableClassToClass() {
    @SuppressWarnings("rawtypes") // To test TypeToken<List>

   *
   * @param <V1> the type returned by the first future
   * @param <V2> the type returned by the second future
   * @param <V3> the type returned by the third future
   * @param <V4> the type returned by the fourth future
   */
  public static final class Combiner4<
          V1 extends @Nullable Object,
          V2 extends @Nullable Object,
          V3 extends @Nullable Object,
          V4 extends @Nullable Object>

            contexts[1] = null; // Null context
            contexts[2] = new MockCreateContextRequest("THIRD");
            contexts[3] = new MockCreateContextRequest("FOURTH");

            byte[] buffer = new byte[256];
            int offset = 0;
            int validCount = 0;

            for (CreateContextRequest context : contexts) {
                if (context != null) {

  }

  private static final class PaddedLock extends ReentrantLock {
    /*
     * Padding from 40 into 64 bytes, same size as cache line. Might be beneficial to add a fourth
     * long here, to minimize chance of interference between consecutive locks, but I couldn't
     * observe any benefit from that.
     */
    long unused1;
    long unused2;
    long unused3;

      )
    // Fail auth three times...
    server.enqueue(pleaseAuthenticate)
    server.enqueue(pleaseAuthenticate)
    server.enqueue(pleaseAuthenticate)
    // ...then succeed the fourth time.
    server.enqueue(
      MockResponse(body = "Successful auth!"),
    )
    java.net.Authenticator.setDefault(RecordingAuthenticator())
    client =
      client
        .newBuilder()

        .url(url)
        .query("bar".toRequestBody())
        .build()
    val response3 = client.newCall(request3).execute()
    assertThat(response3.body.string()).isEqualTo("DEFa")

    // Fourth QUERY request with body "foo" again, should be cached and return "ABC"
    val response1a = client.newCall(request1).execute()
    assertThat(response1a.body.string()).isEqualTo("ABC")

  * `--basic-auth-file` supports optionally specifying groups in the fourth column of the file ([#39651](https://github.com/kubernetes/kubernetes/pull/39651), [@liggitt](https://github.com/liggitt))