ExecutorService service = mock(ExecutorService.class);
    application.addDelayedShutdownHook(service, 2, SECONDS);
    verify(service, never()).shutdown();
    application.shutdown();
    InOrder shutdownFirst = inOrder(service);
    shutdownFirst.verify(service).shutdown();
    shutdownFirst.verify(service).awaitTermination(2, SECONDS);
  }

            // we need to catch it to verify that pipe.close() was still called
            try {
                handle.close();
                fail("Expected IOException to be thrown");
            } catch (IOException e) {
                assertEquals("Handle close failed", e.getMessage());
            }

            verify(mockSmbPipeHandleInternal).close();

import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Nested;

        // Verify resumeKey (4 bytes)
        assertEquals(TEST_RESUME_KEY, SMBUtil.readInt4(buffer, 6));

        // Verify tflags (2 bytes) - should be 0x00
        assertEquals(0x00, SMBUtil.readInt2(buffer, 10));

        // Verify filename
        String actualFilename = readString(buffer, 12, written - 12);
        assertEquals(TEST_FILENAME, actualFilename);

        // Verify total bytes written

        } catch (Exception e) {
            // It's ok if it fails, we just want to verify reset was called
        }

        // Request/response reset should happen on retry
        verify(req, atLeastOnce()).reset();
        verify(resp, atLeastOnce()).reset();
        // Verify disconnect was called on retry
        verify(c, atLeastOnce()).disconnect(eq(true));
    }

    @Test

                buffer.encode(dst, 0);

                // Verify SMBUtil.writeInt2 was called for referral level (with long parameter)
                mockedSMBUtil.verify(() -> SMBUtil.writeInt2(eq((long) maxReferralLevel), any(byte[].class), eq(0)));
                // Verify SMBUtil.writeInt2 was called for null terminator
                mockedSMBUtil.verify(() -> SMBUtil.writeInt2(eq(0L), any(byte[].class), anyInt()));
            }

        failover.handleFailure(failedChannel, error);

        // Verify pending operations were cleared from failed channel
        assertEquals(0, failedChannel.getRequestsPending());

        // Verify alternative channel was selected and operation added
        verify(mockLoadBalancer).selectChannel(mockOperation);
        verify(alternativeChannel).addPendingOperation(mockOperation);
    }

    @Test

        when(locator.handleDFSReferral(referral, reqPath)).thenReturn(resolved);

        String out = locator.handleDFSReferral(referral, reqPath);
        assertEquals(resolved, out);

        // Verify exact argument interaction
        verify(locator, times(1)).handleDFSReferral(referral, reqPath);
        verifyNoMoreInteractions(locator);
    }

    // Edge / invalid: null referral or empty/blank path
    @Test

func checkBucketAndObjectNames(ctx context.Context, bucket, object string) error {
	// Verify if bucket is valid.
	if !isMinioMetaBucketName(bucket) && s3utils.CheckValidBucketNameStrict(bucket) != nil {
		return BucketNameInvalid{Bucket: bucket}
	}
	// Verify if object is valid.
	if len(object) == 0 {
		return ObjectNameInvalid{Bucket: bucket, Object: object}
	}

        // Verify bytes written
        assertTrue(bytesWritten > 0);
        assertEquals(19, bytesWritten); // 2 + 13 + 2 + 2

        // Verify NET_SHARE_ENUM command (2 bytes)
        assertEquals(SmbComTransaction.NET_SHARE_ENUM, dst[0]);
        assertEquals(0, dst[1]);

        // Verify descriptor (WrLeh\0B13BWz\0 in ASCII - 13 bytes)