fail("Should not throw exception with null thread");
        }

        // Test with normal thread
        Thread testThread = new Thread(() -> {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                // Ignore
            }
        });
        testThread.start();

        long startTime = System.currentTimeMillis();

    }
  }

  private static void assertAtLeastTimePassed(Stopwatch stopwatch, long expectedMillis) {
    long elapsedMillis = stopwatch.elapsed(MILLISECONDS);
    /*
     * The "+ 5" below is to permit, say, sleep(10) to sleep only 9 milliseconds. We see such
     * behavior sometimes when running these tests publicly as part of Guava. "+ 5" is probably more
     * generous than it needs to be.
     */
    assertTrue(

import assertk.assertions.isGreaterThan
import assertk.assertions.isIn
import assertk.assertions.isLessThan
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.lang.Thread.sleep
import java.util.concurrent.TimeUnit
import kotlin.concurrent.thread
import kotlin.test.assertFailsWith
import kotlin.time.Duration
import kotlin.time.Duration.Companion.milliseconds
import kotlin.time.measureTime

                        .anyMatch(a -> a.getName().equals(target.getName()) && a.getVersion().equals(target.getVersion()));
                if (!exists) {
                    ThreadUtil.sleep(500);
                    continue;
                }
                assertTrue("plugin(" + target + ") is included in " + installed, exists);
                done = true;
                break;
            }

   * response is ready.
   */
  @Test
  fun dispatchBlocksWaitingForEnqueue() {
    Thread {
      try {
        Thread.sleep(1000)
      } catch (ignored: InterruptedException) {
      }
      server.enqueue(
        MockResponse
          .Builder()
          .body("enqueued in the background")
          .build(),
      )

    assertThat(log.take()).isEqualTo("normal task running")
    assertThat(log).isEmpty()
  }

  @Test fun idleLatchAfterShutdown() {
    queue.schedule("task") {
      Thread.sleep(250)
      backend.shutdown()
      return@schedule -1L
    }

    assertThat(queue.idleLatch().await(500L, TimeUnit.MILLISECONDS)).isTrue()
    assertThat(queue.idleLatch().count).isEqualTo(0)
  }

    checkNotNull(methodName);
    checkNotNull(arguments);
    assertEquals(false, invokeMethod("hasQueuedThread", this));
    sendRequest(methodName, arguments);
    Thread.sleep(DUE_DILIGENCE_MILLIS);
    assertEquals(true, invokeMethod("hasQueuedThread", this));
    assertNull(responseQueue.poll());
  }

  /**

    override fun writeTo(sink: BufferedSink) {
      try {
        var i = 0
        while (i < contentLength()) {
          sink.write(chunk!!)
          sink.flush()
          Thread.sleep(100)
          i += chunk.size
        }
      } catch (e: IOException) {
        ioe = e
      } catch (e: InterruptedException) {
        throw RuntimeException(e)
      }
    }
  }

    expectAdded(e0());
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  /*
   * absent = ZERO isn't required, since unmodList.add() must
   * throw regardless, but it keeps the method name accurate.
   */
  public void testAdd_unsupportedPresent() {
    assertThrows(UnsupportedOperationException.class, () -> getList().add(e0()));
  }

/**
 * @author shinsuke
 *
 */
public class ThreadUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void test_sleep() throws Exception {
        ThreadUtil.sleep(1L);
        assertTrue(true);
        ThreadUtil.sleepQuietly(1L);
    }

    /**
     * @throws Exception
     */
    @Test
    public void test_sleepQuietly() throws Exception {