// Refresh should clear the cache
        auth.refresh();
        Subject afterRefresh = auth.getSubject();
        // After refresh, may succeed or fail depending on JAAS configuration
        // Just verify that refresh doesn't break the authenticator
        assertNotNull(auth, "Authenticator should remain usable after refresh");
    }

    @Test

	c.Helper()
	rd, err := client.GetObject(ctx, bucket, "some-object", minio.GetObjectOptions{})
	if err != nil {
		c.Fatalf("download did not succeed got %#v", err)
	}
	if _, err = io.Copy(io.Discard, rd); err != nil {
		c.Fatalf("download did not succeed got %#v", err)
	}
}

func (c *check) mustUploadReturnVersions(ctx context.Context, client *minio.Client, bucket string) []string {
	c.Helper()

  public static <V extends @Nullable Object> V getDone(Future<V> future) throws ExecutionException {
    /*
     * We throw IllegalStateException, since the call could succeed later. Perhaps we "should" throw
     * IllegalArgumentException, since the call could succeed with a different argument. Those
     * exceptions' docs suggest that either is acceptable. Google's Java Practices page recommends

 * typically false on Windows.
 *
 * If this returns false we won't permit simultaneous reads and writes. When writes commit we need
 * to delete the previous snapshots, and that won't succeed if the file is open. (We do permit
 * multiple simultaneous reads.)
 *
 * @param file a file in the directory to check. This file shouldn't already exist!
 */
internal fun FileSystem.isCivilized(file: Path): Boolean {

				"X-Amz-Signature":  []string{"invalidsignature"},
				"Policy":           []string{"policy"},
			},
			expected: ErrSignatureDoesNotMatch,
		},
		// (3) It should succeed if everything is correct.
		{
			form: http.Header{
				"X-Amz-Credential": []string{
					fmt.Sprintf(credentialTemplate, accessKey, now.Format(yyyymmdd), globalMinioDefaultRegion),
				},

   * is permitted and similarly for decrease/remove(). We assume that a
   * setCount() no-op is permitted if either add() or remove() is permitted,
   * though we also allow it to "succeed" if neither is permitted.
   */

  private void assertSetCount(E element, int count) {
    setCountCheckReturnValue(element, count);

    assertEquals(

    return whenAllComplete(asList(future1, moreFutures));
  }

  /**
   * Starts specifying how to combine {@link ClosingFuture}s into a single pipeline, assuming they
   * all succeed. If any fail, the resulting pipeline will fail.
   *
   * @throws IllegalStateException if a {@code ClosingFuture} has already been derived from any of

                } finally {
                    latch.countDown();
                }
            }).start();
        }

        latch.await();

        assertEquals("All threads should succeed", threadCount, successCount.get());
        assertEquals("No threads should have errors", 0, errorCount.get());
    }

    public void test_writeThreadDump_withSpecialCharacters() throws IOException {

                    }
                }).start();
            }

            latch.await(5, java.util.concurrent.TimeUnit.SECONDS);
            assertEquals(5, successCount.get(), "All concurrent calls should succeed");
        }
    }

  override fun connectTcp(): ConnectResult {
    check(rawSocket == null) { "TCP already connected" }

    var success = false

    // Tell the call about the connecting call so async cancels work.
    user.addPlanToCancel(this)
    try {
      user.connectStart(route)

      connectSocket()
      success = true
      return ConnectResult(plan = this)
    } catch (e: IOException) {