}
          };
      threads.add(thread);
    }
  }

  @AfterExperiment
  void after() {
    for (Thread thread : threads) {
      thread.interrupt(); // try to get them to exit
    }
    threads.clear();
  }

  @Footprint
  Object measureSize() {
    return executor;
  }

  @Benchmark
  int timeUncontendedExecute(int reps) {

            }
          };
      threads.add(thread);
    }
  }

  @AfterExperiment
  void after() {
    for (Thread thread : threads) {
      thread.interrupt(); // try to get them to exit
    }
    threads.clear();
  }

  @Footprint
  Object measureSize() {
    return executor;
  }

  @Benchmark
  int timeUncontendedExecute(int reps) {

  @Override
  protected void setUp() {
    runtimeMock = mock(Runtime.class);
  }

  public void testExiter() {
    new Exiter(runtimeMock).uncaughtException(new Thread(), new Exception());
    verify(runtimeMock).exit(1);
  }

  @Override
  protected void setUp() {
    runtimeMock = mock(Runtime.class);
  }

  public void testExiter() {
    new Exiter(runtimeMock).uncaughtException(new Thread(), new Exception());
    verify(runtimeMock).exit(1);
  }

   *   ...
   * </pre>
   *
   * <p>The returned handler logs any exception at severity {@code SEVERE} and then shuts down the
   * process with an exit status of 1, indicating abnormal termination.
   */
  public static UncaughtExceptionHandler systemExit() {
    return new Exiter(Runtime.getRuntime());
  }

  @VisibleForTesting

    assertThat(expected)
        .hasMessageThat()
        .isEqualTo("I bet you didn't think Thread.interrupt could throw");
    // We need to wait for the runner to exit.  It used to be that the runner would get stuck in the
    // busy loop when interrupt threw.
    runner.join(TimeUnit.SECONDS.toMillis(10));
  }

  static final class BrokenChannel extends AbstractInterruptibleChannel {

            Thread.interrupted();
            if (interruptingThread.isAlive()) {
              // This will be hidden by test-output redirection:
              logger.severe("InterruptenatorTask did not exit; future tests may be affected");
              /*
               * This won't do any good under JUnit 3, but I'll leave it around in
               * case we ever switch to JUnit 4:
               */
              fail();

    assertThat(expected)
        .hasMessageThat()
        .isEqualTo("I bet you didn't think Thread.interrupt could throw");
    // We need to wait for the runner to exit.  It used to be that the runner would get stuck in the
    // busy loop when interrupt threw.
    runner.join(TimeUnit.SECONDS.toMillis(10));
  }

  static final class BrokenChannel extends AbstractInterruptibleChannel {

            Thread.interrupted();
            if (interruptingThread.isAlive()) {
              // This will be hidden by test-output redirection:
              logger.severe("InterruptenatorTask did not exit; future tests may be affected");
              /*
               * This won't do any good under JUnit 3, but I'll leave it around in
               * case we ever switch to JUnit 4:
               */
              fail();