} else if user.ID == 0 {
		t.Fatalf("user's primary value should not zero, %v", user.ID)
	} else if user.UpdatedAt.IsZero() {
		t.Fatalf("user's updated at should not zero, %v", user.UpdatedAt)
	}
	lastUpdatedAt = user.UpdatedAt

	if err := DB.Model(user).Update("Age", 10).Error; err != nil {
		t.Errorf("errors happened when update: %v", err)
	} else if user.Age != 10 {
		t.Errorf("Age should equals to 10, but got %v", user.Age)
	}

        urlQueueService.offerAll(crawlerContext.sessionId, childList);
    }

    /**
     * Stores a single child URL to the crawling queue.
     * @param childUrl The child URL to store.
     * @param parentUrl The parent URL.
     * @param weight The weight of the child URL.
     * @param depth The depth of the child URL.
     */

            CurlException.class.getDeclaredField("serialVersionUID");
            hasSerialVersionUID = true;
        } catch (NoSuchFieldException e) {
            // Field doesn't exist
        }
        assertTrue("CurlException should have serialVersionUID field", hasSerialVersionUID);
    }

    @Test
    public void testExceptionChaining() {
        IOException rootCause = new IOException("Root cause");

        }
    }

    /**
     * Stores a child URL in the crawling queue with duplicate host handling.
     * This method applies duplicate host conversion before storing the URL.
     *
     * @param childUrl the child URL to store
     * @param parentUrl the parent URL that referenced this child URL
     * @param weight the weight/priority of the child URL
     * @param depth the crawling depth of the child URL
     */

   * returns a new {@code InternetDomainName} with the value {@code www.bar.foo.com}. Only lenient
   * validation is performed, as described {@link #from(String) here}.
   *
   * @throws NullPointerException if leftParts is null
   * @throws IllegalArgumentException if the resulting name is not valid
   */
  public InternetDomainName child(String leftParts) {

    }

    @Test
    void testConstructorWithNullBuffer() {
        // This should not throw an exception
        TransCallNamedPipeResponse nullBufferResponse = new TransCallNamedPipeResponse(mockConfig, null);
        assertNotNull(nullBufferResponse);

        // But trying to read data should cause NullPointerException
        byte[] buffer = new byte[10];

        assertTrue(s.startsWith("SmbComFindClose2["));
        assertTrue(s.contains("sid=" + TEST_SID));
    }

    @Test
    void testWriteParameterWordsWireFormatLittleEndian() {
        byte[] dst = new byte[2];
        int written = instance.writeParameterWordsWireFormat(dst, 0);
        assertEquals(2, written, "writeParameterWordsWireFormat should write exactly 2 bytes");

```
hadoop fs -copyFromLocal /etc/hadoop/conf/log4j.properties
          s3a://testbucket/testdata
```

#### **4.2.2  Run the Spark shell:**

```
./bin/spark-shell --master yarn-client --driver-memory 512m --executor-memory 512m
```

The command should produce an output as shown below. (with additional status messages):

```
Spark context Web UI available at http://172.26.236.247:4041

    @DisplayName("Test with negative FID value (should handle as unsigned)")
    void testNegativeFidValue() {
        int fid = -1; // Will be treated as 0xFFFF in unsigned 16-bit
        querySecurityDesc = new NtTransQuerySecurityDesc(mockConfig, fid, OWNER_SECURITY_INFORMATION);
        byte[] dst = new byte[10];

        querySecurityDesc.writeParametersWireFormat(dst, 0);

        // Should write as 0xFFFF (65535 in unsigned)

    class SamrCloseHandleTests {

        @Test
        @DisplayName("Should construct with correct opnum")
        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // Then: Should have correct opnum and handle
            assertEquals(0x01, message.getOpnum());