// Verify
        assertNull(result, "Authentication result should be null");

        // Capture the header value to verify its contents
        ArgumentCaptor<String> headerCaptor = ArgumentCaptor.forClass(String.class);
        verify(mockResponse).setHeader(eq("WWW-Authenticate"), headerCaptor.capture());
        String headerValue = headerCaptor.getValue();

        assertEquals(42, read);

        // Verify we issued an SMB2 IOCTL
        ArgumentCaptor<Smb2IoctlRequest> captor = ArgumentCaptor.forClass(Smb2IoctlRequest.class);
        verify(tree).send(captor.capture(), any());
        assertNotNull(captor.getValue());
    }

    @Test
    @DisplayName("recv delegates to input.readDirect and returns its value")

Events
======

Events allow you to capture metrics on your application’s HTTP calls. Use events to monitor:

 * The size and frequency of the HTTP calls your application makes. If you’re making too many calls, or your calls are too large, you should know about it!
 * The performance of these calls on the underlying network. If the network’s performance isn’t sufficient, you need to either improve the network or use less of it.

### EventListener

					r: r,
				}
				n, err := xioutil.Copy(xioutil.Discard, &fbr)
				r.Close()
				if err == nil {
					response := time.Since(t)
					ttfb := time.Since(*fbr.t)
					// Only capture success criteria - do not
					// have to capture failed reads, truncated
					// reads etc.
					atomic.AddUint64(&totalBytesRead, uint64(n))
					mu.Lock()
					downloadTimes = append(downloadTimes, response)

        .head()
        .build()

    client.newCall(request).execute().use {
      assertEquals(204, it.code)
    }
  }

  @Test
  fun staleConnectionNotReusedForNonIdempotentRequest() {
    // Capture the connection so that we can later make it stale.
    var connection: RealConnection? = null
    client =
      client
        .newBuilder()
        .addNetworkInterceptor(
          Interceptor { chain ->

        ArgumentCaptor<NtlmPasswordAuthentication> authCaptor = ArgumentCaptor.forClass(NtlmPasswordAuthentication.class);
        verify(session).setAttribute(eq("NtlmHttpAuth"), authCaptor.capture());

        NtlmPasswordAuthentication capturedAuth = authCaptor.getValue();
        assertEquals("user", capturedAuth.getUsername());
        assertEquals("TEST_DOMAIN", capturedAuth.getUserDomain());

	go renameAllBucketMetacache(diskPath)
}

// Following error message is added to fix a regression in release
// RELEASE.2018-03-16T22-52-12Z after migrating v1 to v2 to v3. This
// migration failed to capture '.This' field properly which indicates
// the disk UUID association. Below error message is returned when
// we see this situation in format.json, for more info refer
// https://github.com/minio/minio/issues/5667

        Consumer<String> testConsumer = capturedOutput::add;

        ThreadDumpUtil.processThreadDump(testConsumer);

        // Verify that thread dump was processed
        assertFalse("Should capture some thread dump output", capturedOutput.isEmpty());

        // Verify format - should contain "Thread:" entries
        boolean hasThreadEntry = capturedOutput.stream().anyMatch(line -> line.startsWith("Thread:"));

        if (new TypeCapture<Entry<String, int[][]>>() {}.capture()
            .toString()
            .contains("java.util.Map.java.util.Map")) {
          CURRENT = JAVA8;
        } else {
          CURRENT = JAVA9;
        }
      } else if (new TypeCapture<int[]>() {}.capture() instanceof Class) {
        CURRENT = JAVA7;
      } else {
        CURRENT = JAVA6;
      }

      return if (matchResult != null) {
        matchResult.groupValues[1].replace(" ", "")
      } else {
        null
      }
    }

    override fun secureConnectStart(call: Call) {
      // Register to capture "Produced ClientHello handshake message".
      currentThread = Thread.currentThread()
      logger.addHandler(loggerHandler)
    }

    override fun secureConnectEnd(
      call: Call,