SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException();

        // Assert - message and cause are null
        assertNull(ex.getMessage(), "Default constructor should have null message");
        assertNull(ex.getCause(), "Default constructor should have null cause");

        // Assert - toString shows class name when message is null
        assertEquals(SMBProtocolDowngradeException.class.getName(), ex.toString());

                .offer(new LogNotificationEvent(System.currentTimeMillis(), "ERROR", "org.test", "should remain", null));

        // expired() should skip when disabled
        logNotificationTarget.expired();

        // Buffer should still contain the event since disabled check should return early
        List<LogNotificationEvent> remaining = ComponentUtil.getLogNotificationHelper().drainAll();

  public void testContainsAll_empty() {
    assertTrue(
        "containsAll(empty) should return true", collection.containsAll(MinimalCollection.of()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testContainsAll_subset() {
    assertTrue(
        "containsAll(subset) should return true",
        collection.containsAll(MinimalCollection.of(e0())));
  }

        // Remove should not throw exception even if channel doesn't exist
        assertDoesNotThrow(() -> channelManager.removeChannel(channel));
    }

    @Test
    void testShutdown() {
        assertDoesNotThrow(() -> channelManager.shutdown());

        // Multiple shutdowns should be safe
        assertDoesNotThrow(() -> channelManager.shutdown());
    }

    class GetterMethodsTests {

        @Test
        @DisplayName("getCloseFlags should return initial value of 0")
        void testGetCloseFlags() {
            assertEquals(0, response.getCloseFlags());
        }

        @Test
        @DisplayName("getCreationTime should return initial value of 0")
        void testGetCreationTime() {
            assertEquals(0, response.getCreationTime());

	if err := DB.Create(&yasuo).Error; err != nil {
		t.Fatalf("should be able to create data, but got %v", err)
	}

	if yasuo.ID == "" {
		t.Fatal("should be able to has ID, but got zero value")
	}

	var result Yasuo
	if err := DB.First(&result, "id = ?", yasuo.ID).Error; err != nil || yasuo.Name != "jinzhu" {
		t.Errorf("No error should happen, but got %v", err)
	}

        // Should alternate between channels
        ChannelInfo first = loadBalancer.selectChannel(mockMessage);
        ChannelInfo second = loadBalancer.selectChannel(mockMessage);

        assertNotNull(first);
        assertNotNull(second);
        // Due to round-robin, should get different channels or same order

import jcifs.CIFSException;

class NbtExceptionTest {

    /**
     * Test the constructor of NbtException.
     * It should correctly set errorClass and errorCode, and the message should be derived from getErrorString.
     */
    @Test
    @DisplayName("NbtException constructor should correctly set error class, error code, and message")
    void testConstructor() {
        int errorClass = NbtException.ERR_NAM_SRVC;

    }

    @Test
    @DisplayName("Should preserve stack trace information")
    void testStackTracePreservation() {
        // When
        SmbException exception = new SmbException("Test exception");

        // Then
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Should contain this test method in stack trace

                    Arguments.of(null, "4.0.0", false, "Should not be applicable for same version (4.0.0)"),
                    Arguments.of(false, "4.1.0", true, "Should be applicable for model upgrade even when --all=false"),
                    Arguments.of(false, "4.2.0", true, "Should be applicable for model upgrade even when --all=false"),