@Test
    void testRetainPayload() {
        // Initially, retainPayload should be false
        assertFalse(message.isRetainPayload(), "isRetainPayload should be false initially");

        // Call retainPayload and check if it becomes true
        message.retainPayload();
        assertTrue(message.isRetainPayload(), "isRetainPayload should be true after calling retainPayload");
    }

    @Test
    void testSetAndGetRawPayload() {

            int startIndex = 50;
            echoRequest.writeBytesWireFormat(buffer, startIndex);

            // Check bytes before written area are unchanged
            for (int i = 0; i < startIndex; i++) {
                assertEquals((byte) 0xFF, buffer[i]);
            }

            // Check bytes after written area are unchanged
            for (int i = startIndex + 4; i < buffer.length; i++) {

Use the `TestClient` object the same way as you do with `httpx`.

Write simple `assert` statements with the standard Python expressions that you need to check (again, standard `pytest`).

{* ../../docs_src/app_testing/tutorial001.py hl[2,12,15:18] *}

/// tip

Notice that the testing functions are normal `def`, not `async def`.

 *
 */
public interface UrlFilter {

    /**
     * Initialize a url filter by sessionId.
     *
     * @param sessionId Session ID
     */
    void init(String sessionId);

    /**
     * Check if a given url is a target.
     *
     * @param url URL
     * @return true if url is matched
     */
    boolean match(String url);

    /**
     * Add an url pattern as a target.
     *

    Function<String, @Nullable Integer> function = Functions.forMap(map, null);

    assertEquals((Integer) 1, function.apply("One"));
    assertNull(function.apply("Two"));

    // check basic sanity of equals and hashCode
    new EqualsTester()
        .addEqualityGroup(function)
        .addEqualityGroup(Functions.forMap(map, 1))
        .testEquals();
  }

  @J2ktIncompatible

rep_obj4_etag=$(echo "${stat_out4}" | jq '.etag')
rep_obj4_size=$(echo "${stat_out4}" | jq '.size')
rep_obj4_md5=$(echo "${stat_out4}" | jq '.metadata."X-Amz-Server-Side-Encryption-Customer-Key-Md5"')

# Check the algo and keyId of replicated objects
if [ "${rep_obj1_algo}" != "${src_obj1_algo}" ]; then

	assumeRole          = "AssumeRole"

	stsRequestBodyLimit = 10 * (1 << 20) // 10 MiB

	// JWT claim keys
	expClaim = "exp"
	subClaim = "sub"
	audClaim = "aud"
	issClaim = "iss"

	// JWT claim to check the parent user
	parentClaim = "parent"

	// LDAP claim keys
	ldapUser       = "ldapUser"       // this is a key name for a normalized DN value
	ldapActualUser = "ldapActualUser" // this is a key name for the actual DN value

        // that's handled by the log check that catches RuntimeExceptions in the queue worker.
        if (!(t instanceof RejectedExecutionException) || removed) {
          throw t;
        }
      }
      return;
    }

    /*
     * This is an unsynchronized read! After the read, the function returns immediately or acquires

    }

    // Invalid input: simulate underlying SmbException when capability check fails
    @Test
    @DisplayName("hasCapability throws SmbException when underlying error occurs")
    void hasCapability_throws() throws SmbException {
        doThrow(new SmbException("capability check failed")).when(transport).hasCapability(eq(42));

					h.clientAddress, h.startTime.Format(http.TimeFormat), h.clientToken)
			return nil, errorCodes.ToAPIErr(ErrHealAlreadyRunning), errMsg
		}
	}

	ahs.Lock()
	defer ahs.Unlock()

	// Check if new heal sequence to be started overlaps with any
	// existing, running sequence
	hpath := pathJoin(h.bucket, h.object)
	for k, hSeq := range ahs.healSeqMap {