t.Fatalf("Should find saved record")
		}
		return nil
	}); err != nil {
		t.Fatalf("no error should return, but got %v", err)
	}

	if err := DB.First(&User{}, "name = ?", user.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := DB.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")
	}

    }

    @Test
    void testNtlmNegotiateOem() {
        assertEquals(0x00000002, NtlmFlags.NTLMSSP_NEGOTIATE_OEM, "NTLMSSP_NEGOTIATE_OEM should be 0x00000002");
    }

    @Test
    void testNtlmRequestTarget() {
        assertEquals(0x00000004, NtlmFlags.NTLMSSP_REQUEST_TARGET, "NTLMSSP_REQUEST_TARGET should be 0x00000004");
    }

    @Test

        assertFalse(file.exists(), "File should not exist initially");

        file.createNewFile();
        assertTrue(file.exists(), "File should exist after creation");
        assertTrue(file.isFile(), "Should be identified as a file");
        assertFalse(file.isDirectory(), "Should not be identified as a directory");
        assertEquals(0, file.length(), "New file should have zero length");
    }

    @Test

/**
 * Test class for StringUtil utility methods
 */
class StringUtilTest {

    @Test
    @DisplayName("Should join single element without delimiter")
    void testJoinSingleElement() {
        String result = StringUtil.join(",", "hello");
        assertEquals("hello", result);
    }

    @Test
    @DisplayName("Should join two elements with delimiter")
    void testJoinTwoElements() {

            assertTrue(result.contains("    <build>"), "Build element should be properly indented");
            assertTrue(result.contains("        <plugins>"), "Plugins element should be properly indented");
            assertTrue(result.contains("            <plugin>"), "Plugin element should be properly indented");
        }

        @Test
        @DisplayName("should format pluginManagement with proper indentation when added")

            assertTrue(methodNames.contains("getConfig"), "Should contain getConfig method");
            assertTrue(methodNames.contains("unwrap"), "Should contain unwrap method");
            assertTrue(methodNames.contains("getContext"), "Should contain getContext method");
        }

        @Test
        @DisplayName("Should be a public interface")

        assertTrue(exception instanceof RuntimeCIFSException, "Should extend RuntimeCIFSException");
        assertTrue(exception instanceof RuntimeException, "Should be a RuntimeException");
    }

    @Test
    @DisplayName("Message constructor should create exception with specified message")
    void testMessageConstructor() {
        // Given & When

        assertNotNull(avFlags, "AvFlags object should not be null");
        assertEquals(0x04030201, avFlags.getFlags(), "Flags should match the raw bytes (little-endian)");

        // Test with zero
        byte[] zeroBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };
        AvFlags zeroAvFlags = new AvFlags(zeroBytes);
        assertNotNull(zeroAvFlags, "AvFlags object should not be null for zero bytes");

    void testDcerpcFaultInvalidTag() {
        assertEquals(0x1C000006, DcerpcError.DCERPC_FAULT_INVALID_TAG);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_CONTEXT_MISMATCH constant value")
    void testDcerpcFaultContextMismatch() {
        assertEquals(0x1C00001A, DcerpcError.DCERPC_FAULT_CONTEXT_MISMATCH);
    }

    @Test

		t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
	}

	if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Row().Scan(&name, &total); err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby1" || total != 660 {