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`.

    }

    /**
     * Gets the search ID for this response.
     *
     * @return the sid
     */
    public final int getSid() {
        return this.sid;
    }

    /**
     * Checks if this is the end of the search results.
     *
     * @return the isEndOfSearch
     */
    public final boolean isEndOfSearch() {
        return this.isEndOfSearch;
    }

    /**

	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

        authenticator.parseJwtClaim(jwtClaim, attributes);

        // Verify
        assertEquals("1234567890", attributes.get("sub"));
        assertEquals("John Doe", attributes.get("name"));

        // Check groups array
        final String[] groups = DocumentUtil.getValue(attributes, "groups", String[].class);
        assertArrayEquals(new String[] { "group1", "group2" }, groups);

    @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() {

    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

        response.contentType()?.parameter("boundary")
          ?: throw ProtocolException("expected the Content-Type to have a boundary parameter"),
    )

    @Throws(IOException::class)
    fun nextPart(): Part? {
      check(!closed) { "closed" }

      if (noMoreParts) return null

      // Read a boundary, skipping the remainder of the preceding part as necessary.
      if (partCount == 0 && source.rangeEquals(0L, dashDashBoundary)) {

   * compatibility problems on Android VMs. The corresponding accessor method, however, can have the
   * more specific return type as long as users are careful to guard calls to it with version checks
   * or reflection: Android VMs ignore the types of elements that aren't used.
   */
  private final @Nullable Object annotatedType;

  Parameter(
      Invokable<?, ?> declaration,
      int position,